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HermanMiller Mirra 2, Manual

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HermanMiller Mirra 2 Manual Download Page 126

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© 2016 Herman Miller, Inc. Zeeland, Michigan. Printed in the U.S.A.
® 

Y

, 

Z

, Mirra 2 are among the registered trademarks of Herman Miller, Inc.

Illustrations and specifications are based on the latest product information available at the time of publication. 
The right is reserved to make changes in design and specifications at any time, without notice, and also to discontinue products. 

126

Part no. 1BBT3K rev D.

Y

Mirra 2

®

 Arm Stem Assembly Replacement

Parts Included:

Tools Required:

Small Flat Head 

Screw Driver

Phillips Head 

Screw Driver

Ratchet Wrench

13mm deep Socket

Arm Stem Assembly

Old Style

New Style

Additional notes: 

New Style Arm Support Post Implemented 9/2016

Summary of Contents for Mirra 2

Page 1: ...Mirra 2 Arm Replacement 59 Mirra 2 Arm Pad Replacement 67 Mirra 2 Arm Pad Plate Replacement 69 Mirra 2 Seat Depth Mechanism Replacement 74 Mirra 2 Base Replacement 81 Mirra 2 Cylinder Replacement 84 Mirra 2 Tilt Control Replacement 88 Mirra 2 Fixed Lumbar Bow Replacement 96 Mirra 2 Arm Casting Replacement 102 Mirra 2 Sleeve Bearing Replacement Hip Pivot Retainer Hip Pivot Bushing Arm Stem Sleeve 1...

Page 2: ... publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 2 Part no 1BBSDS rev D Y Mirra 2 Seat Replacement 1 Lay chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side Small Flat Head Screw Driver Ratchet Wrench T40 Torx Bit T25 Torx Bit Tools Required ...

Page 3: ...ime of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 3 Part no 1BBSDS rev D 4 Lift up on the seat while depressing the spring clip Repeat for the opposite side 6 Using T40 torx bit remove the retainer bolt Repeat for the other side 5 Tip seat assembly forward 3 Slide the flat head screw driver into the slo...

Page 4: ...ght is reserved to make changes in design and specifications at any time without notice and also to discontinue products 4 Part no 1BBSDS rev D 8 While compressing the seat depth mechanism push the bushing insert from the outside to remove 10 Using a T27 torx bit remove the two screws from the seat depth mechanism 9 Carefully slide the seat link bushing from the seat depth mechanism and set aside ...

Page 5: ...ved to make changes in design and specifications at any time without notice and also to discontinue products 5 Part no 1BBSDS rev D 12 Remove seat depth mechanism from seat 11 Remove the retainer caps Note Caps are handed so note their original orientation before removing Re assembly Steps 13 Locate the front edge first Make sure the 2 tabs engage in the notches at the seat front 14 Install the re...

Page 6: ...e right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 6 Part no 1BBSDS rev D 15 Using T 27 torx bit install the two screws Torque to 28 in lbs 17 Make sure the tab on the bushing engages with the slot on seat frame 16 Position the back of the seat depth mechanism and compress to install the seat link bushings Note Make sure the...

Page 7: ... publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 7 Part no 1BBSDS rev D 18 Rotate the seat down over the front links 20 Using T40 torx bit tighten the bolts to 300 in lbs torque Caution Do not over torque 19 Install the bolts on both sides 21 Rotate the seat to the end use position sliding the pivot bushing ...

Page 8: ...e based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 8 Part no 1BBSDS rev D 25 Instal the D Clips into seat Repeat for the other side 24 Push down until it snaps Repeat for the other side 26 Check for proper function ...

Page 9: ...ct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDT rev B 9 Y Mirra 2 Back Replacement 1 Lay chair on the side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat it for the opposite side Parts Included Steps Back Assembly Small Fl...

Page 10: ...est product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDT rev B 10 4 At the same time push the seat upward till the knob disengaged from seat Repeat it for the other side 6 Roll the seat forward 5 Make the seat loosen from the back 3 Slide the flat head s...

Page 11: ...roduct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDT rev B 11 8 Remove the trim cover 10 Remove the handed clip Repeat for the opposite side 9 Using a small flat screw driver slide into the gap to remove oval shaped retainer clip 7 Using extended 2 inch l...

Page 12: ...n available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDT rev B 12 12 Lift up on the bottom and top at the same time to completely take off the back part 14 Hook the top of the pad over the peg and push it down 13 To reinstall the back pad ensure that each pocket has the steel...

Page 13: ...t product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDT rev B 13 16 Reinstall the retainer clips for the upper back 18 Reinstall the bolt using the extended T27 torx bits 17 Reinstall the trim cover 15 Flex the back around the spine and make sure the atta...

Page 14: ...t product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDT rev B 14 19 Rotate the seat back The bushing at the arm should slide up into the keyed opening on the seat 20 Slide it down until a snap Repeat it for the other side 21 Instal the D Clips into seat R...

Page 15: ...of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 15 Part no 1BBSDV rev D Y Mirra 2 Lumbar Stem Replacement 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side Parts Included Steps Tools Required Lumbar Stem Small Flat Head Screw D...

Page 16: ...ht is reserved to make changes in design and specifications at any time without notice and also to discontinue products 16 Part no 1BBSDV rev D 4 Lift up on the seat while depressing the spring clip Repeat for the opposite side 5 Stand the chair upright and roll the seat forward 3 Slide the flat head screw driver into the slot and depress the spring clip 6 Use an extended 4 inch long T27 torx bit ...

Page 17: ...he right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 17 Part no 1BBSDV rev D 7 Remove the trim cover 9 Remove the handed clip Repeat for the opposite side 8 Slide a small flat screw driver into the gap to remove oval shaped retainer clip 10 Lift up on the bottom and top at the same time to completely remove the back Note Make...

Page 18: ...ilable at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 18 Part no 1BBSDV rev D 12 Jerk it up firmly until it comes off the stem 11 To disengage the lumbar bow assembly from stem slide it all the way to the bottom 14 Remove the lumbar stem assembly 13 Using T40 torx bit remove the 2 bolts from ...

Page 19: ...t the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 19 Part no 1BBSDV rev D 15 Set the new lumbar stem assembly into the recess 16 Using T40 torx bit reinstall the bolts Torque to 220 in lbs Re Assembly Steps 18 Push firmly down until the Lumbar snaps into position Cycle up 17 Place Lumbar assembly...

Page 20: ... at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 20 Part no 1BBSDV rev D 20 Hook the top of the pad over the teeth and push it down 19 To reinstall the back pad ensure that the 4 metal teeth are installed 22 Reinstall the retainer clips for the upper back 21 Flex the Back and slide around the ...

Page 21: ...able at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 21 Part no 1BBSDV rev D 24 Tighten the bolts using the extended T27 torx bits Torque to 70 in lbs 23 Reinstall the trim cover 25 Rotate the seat to the end use position sliding the Pivot Bushing into the keyed opening in the seat 26 Push dow...

Page 22: ...ns and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 22 Part no 1BBSDV rev D 27 Re install the D Clips into seat Repeat for the other side 28 Check for proper function ...

Page 23: ...d on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDW rev D 23 Y Mirra 2 Lumbar Bow Replacement Parts Included Lumbar Bow 1 Slide the Lumbar to the lowest position 2 Pull up firmly and quickly to the top of the post to remove Steps ...

Page 24: ...ecifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSDW rev D 24 3 Place Lumbar assembly over the Lumbar post 4 Push firmly down until the Lumbar snaps into position Cycle up Re Assembly Steps ...

Page 25: ...ns are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 25 Part no 1BBSDX rev D Y Mirra 2 Spine Replacement Parts Included Tools Required Ratchet Wrench T27 Torx Bit Small Flat Head Screw Driver Spine Assembly ...

Page 26: ...on The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 26 Part no 1BBSDX rev D Steps 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side 3 Slide the flat head screw driver into slot and depress the spring clip 4 Lift up on the seat while depressing...

Page 27: ...of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 27 Part no 1BBSDX rev D 5 Stand the chair upright and roll the seat forward 6 Use an extended 4 inch long T27 torx bit to remove the 2 screws at the bottom center of the back 7 Remove the trim cover 8 Using small flat head screw driver slide into the gap to ...

Page 28: ...ation The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 28 Part no 1BBSDX rev D 9 Remove the handed clip Repeat for the opposite side 10 Lift up on the bottom and top at the same time to completely take off the back Note Make sure the 4 metal teeth remain intact in the loop 11 Using a T40 torx bit remove the bolts from th...

Page 29: ...n the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 29 Part no 1BBSDX rev D 13 Tilt spine forward to remove the spine 14 Hook the tabs under the slots by leaning the yoke forward 15 Drop it into place and lean back Re Assembly Steps ...

Page 30: ...n available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 30 Part no 1BBSDX rev D 16 Set the Lumbar Assembly into the recess 17 Reinstall the bolts Torque to 220 in lbs 18 To reinstall the back pad ensure that the 4 metal teeth are installed 19 Hook the top of the pad over the teeth and push...

Page 31: ...tion available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 31 Part no 1BBSDX rev D 20 Flex the back and slide around the bottom of the spine 21 Reinsert the retainer clips for the upper back 22 Reinstall the trim cover 23 Reinstall the bolts using the extended T27 torx bolts Torque to 70 i...

Page 32: ... product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 32 Part no 1BBSDX rev D 24 Rotate the seat to the In use position sliding the pivot bushing into the keyed opening in the seat 25 Push down until it snaps 26 Reinstall D Clips 27 Check for proper function ...

Page 33: ...uct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 33 Part no 1BBSDY rev D Y Mirra 2 Front Tilt Cover Replacement Parts Included Tools Required Small Flat Head Screw Driver Front Tilt Cover Steps 1 Using fingers lift the rear tilt cover 2 Remove cover from the tilt ...

Page 34: ...st product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 34 Part no 1BBSDY rev D 3 Using fingers pull off the front tilt cover 4 Front tilt cover removed from the tilt 5 Position the new front tilt cover Snap in place 6 Reinstall rear cover Re Assembly Steps ...

Page 35: ...e of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 35 Part no 1BBSDZ rev D Y Mirra 2 Rear Tilt Cover Replacement Parts Included Tools Required Small Flat Head Screw Driver Rear Tilt Cover 1 Using fingers lift the rear tilt cover and remove Steps 2 Install the new top rear tilt cover and make sure it is sna...

Page 36: ...n The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 36 Part no 1BBSF0 rev D Y Mirra 2 Bottom Tilt Cover Replacement Parts Included Tools Required Small Flat Head Screw Driver Bottom Tilt Cover Steps 1 Lay the chair on the side 2 Using a small flat head screwdriver depress the two hooks in the back of the bottom tilt cover...

Page 37: ...cations are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 37 Part no 1BBSF0 rev D 4 Position the open slots on the new bottom cover facing the front of the chair Re Assembly Steps 5 Snap cover in place ...

Page 38: ...formation available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 38 Y Mirra 2 Tilt Replacement Small Flat Head Screw Driver Tilt Assembly Ratchet Wrench T40 Torx Bit 4 T30 Torx Bit 2 T27 Torx Bit Tools Required Parts Included Nylon Cap Rubber Mallet Hammer Lift off Tool...

Page 39: ... right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 39 1 Lay chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side Steps Seat Removal 4 Lift upon the seat while depressing the spring clip Repeat for the opposite side 3 Slide the flat head scr...

Page 40: ...t product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 40 6 Using T40 torx bit remove the retainer bolt Repeat for the other side 5 Make the seat loosen from the back Note Becareful not to damage the bushings 7 Remove the seat from chair ...

Page 41: ...nges in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 41 Arm Removal 8 Using a small flat head screwdriver depress the two hooks in the back of the bottom tilt cover as shown Remove the tilt cover Hook Location 9 Bottom tilt cover removed from the tilt assembly 10 Using 6 T40 torx bit remove the arm from tilt assembly 11 While loosening ...

Page 42: ...nformation available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 42 14 Remove the trim cover 13 Using an extended 4 inch long T27 torx bit to remove the 2 screws at the bottom center of the back Back Removal 12 Remove the nut plate from the bottom of the tilt assembly ...

Page 43: ...on The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 43 16 Remove the handed clip Repeat for the opposite side 15 Using a small flat head screwdriver slide into the gap to remove the oval shaped retainer clip 17 Lift upon the bottom and top at the same time to completely remove the back Note Make sure...

Page 44: ...n the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 44 19 Remove the lumbar stem assembly 18 Using T40 torx bit remove the bolts from the back yoke 20 Tilt forward to remove the spine Lumbar Removal Spine Removal ...

Page 45: ...e time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 45 22 Remove the top rear tilt cover from tilt assembly 21 Using fingers lift the top rear tilt cover 24 Remove the top front tilt cover from tilt assembly 23 Using fingers pull off the top front tilt cover Tilt Rear Cover Removal...

Page 46: ...the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 46 Bottom Tilt Cover Removal 25 Lay the chair on the side 26 Using a small flat head screwdriver depress the two hooks in the back of the bottom tilt cover as shown Remove the tilt cover Hook Location 27 Bottom tilt cover remove...

Page 47: ...e changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 47 Tilt Limit Control Removal 28 Using Phillips screw driver remove the two screws from the control retainer 29 The control retainer is removed from the tilt assembly Tilt Tension Control Removal 30 Pull the tilt limit control and remove it from the tilt assembly 31 Remove the ti...

Page 48: ...ny time without notice and also to discontinue products Part no 1BBSF1 rev C 48 Base Removal 32 Place the nylon cap over the bottom of the cylinder Using a 2lb hammer strike the cap to dislodge the base from the cylinder 33 Remove the base from the cylinder Cylinder Removal 34 Attach the lift off tool ensuring that the tapered end of the lift off tool is against the tilt housing and the striking s...

Page 49: ...based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 49 36 Tilt assembly completely removed 38 Place the new tilt assembly onto the top of cylinder 37 Install cylinder onto the base Re Assembly Steps ...

Page 50: ...lication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 50 Tilt Control Installation 40 Install the tilt tension control knob with front link into tilt assembly 39 Insert new front link into tilt tension control knob 41 Insert new front link into tilt limit control 42 Install the tilt limit control...

Page 51: ... specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 51 44 Slide the forward angle lever control knob over the rear tilt lever control knob While applying pressure rotate them together until they snap into the tilt housing 43 Rotate the rear tilt limit control handle until it locks into a key 46 Using Phillips screw driver install the two screws Torque t...

Page 52: ...hout notice and also to discontinue products Part no 1BBSF1 rev C 52 47 Position the top front tilt cover and make sure it is snapped in place 48 Position the existing top rear tilt cover in place and make sure it is snapped in place Top Tilt Cover Installation Bottom Tilt Cover Installation 49 Position the open slot on the new bottom tilt cover facing front side of the chair The slots on the cove...

Page 53: ...on available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 53 52 Drop into place and lean back 51 Hook the tabs under the slots by leaning the yoke forward Spine Installation 53 Position the lumbar assembly in place 54 Reinstall the bolts Torque to 220 in lbs Lumbar Inst...

Page 54: ...ime of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 54 56 Hook the top of the pad over the teeth and push it down Back Installation 55 To reinstall the back pad ensure that the 4 metal teeth are installed 58 Re insert the retainer clips for the upper back 57 Flex the Back and slide ar...

Page 55: ...on available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 55 59 Re install the bolts using the extended T27 torx bits Torque to in lbs 58 Reinstall the trim cover 61 Place the bolt into arm casting slot Arm Installation 60 Place the nut plate on the bottom of the tilt a...

Page 56: ... time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 56 Note Before re attaching the seat to the front links make sure the bushings are still in place 62 Position the arm in place 64 Rotate the seat down over the front links 63 Using 6 T40 torx bit tighten the bolt Torque to 330 in l...

Page 57: ...lication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 57 68 Push down until it snaps 65 Install bolts on both sides 66 Using T40 torx bit tighten the bolts to the torque 300 in lbs Caution Do not over torque you may strip the thread 67 Rotate the seat to the end use position sliding the Pivot Bus...

Page 58: ...ecifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBSF1 rev C 58 67 Check for proper function 67 Install D clips 68 Sit on chair firmly several times to set cylinder and base ...

Page 59: ...tion available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 59 Part no 1BBSF2 rev E Y Mirra 2 Arm Replacement Parts Included Tools Required Small Flat Head Screw Driver Additional notes New Style Arm Support Post Implemented 9 2016 Ratchet Wrench 13mm deep Socket Arm Assembly Old Style New ...

Page 60: ...on The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 60 Part no 1BBSF2 rev E Steps 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side 3 Slide the flat head screw driver into slot and depress the spring clip 4 Lift up on the seat while depressing...

Page 61: ... publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 61 Part no 1BBSF2 rev E 5 Stand the chair upright and roll the seat forward 6 Rotate the Hip Pivot Bushing upside down Insert the flathead screw driver into the hole and release the tab by depressing the clip 7 Hip Pivot Bushing removed 8 Align the key hole in...

Page 62: ...product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 62 Part no 1BBSF2 rev E 9 Using 13mm deep socket remove the Arm Support Post 11 Remove the washer from arm New Arm Support Post does not use washer 10 Arm Support Post removed 12 Release the catch on the arm ...

Page 63: ...publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 63 Part no 1BBSF2 rev E 13 Slide the entire assembly up to remove the arm 14 While installing new arm assembly make sure the plastic bearing is seated inside the arm It may be extended out Re Assembly Steps 15 Using flat head screw drive slide the sleeve back d...

Page 64: ...of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 64 Part no 1BBSF2 rev E 16 Align the keyed opening in the arm up with the hole in the arm support casting 19 Using a 13mm deep socket tighten the Arm Support Post Torque to 300 in lbs 18 Hand start the Arm Support Post 17 Install the washer into arm New Arm ...

Page 65: ... right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 65 Part no 1BBSF2 rev E 21 Snap the two halves of the Hip Pivot Bushing together 22 Rotate the seat to the end use position sliding the Pivot Bushing into the keyed opening in the seat 23 Push down until it snaps 20 Install the Hip Pivot Bushing on the ball end of the Arm Sup...

Page 66: ...iller Inc Illustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 66 Part no 1BBSF2 rev E 25 Check for proper function 24 Reinstall D Clips ...

Page 67: ...duct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 67 Part no 1BBSF3 rev D Y Mirra 2 Arm Pad Replacement Parts Included Tools Required T 20 Torx Driver Arm Pad 1 Using philips T20 torx bit remove the front arm pad bolt 2 Lift up the arm pad and slide it off Steps ...

Page 68: ...ased on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 68 Part no 1BBSF3 rev D Re Assembly Steps 3 Hook the slot on the arm pad to the tab on the arm plate and rotate the arm pad down 4 Reinstall the bolt Torque to 15 in lbs ...

Page 69: ...tions are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 69 Part no 1BBSF4 rev D Y Mirra 2 Arm Pad Plate Replacement Parts Included Tools Required 4D Arm Pad Plate Fixed 1D Arm Pad Plate T 20 Torx Driver ...

Page 70: ...reserved to make changes in design and specifications at any time without notice and also to discontinue products 70 Part no 1BBSF4 rev D Steps 4D Arm Pad Support Plate Removal 1 Using philips T20 torx bit remove the front arm pad bolt 2 Lift up the arm pad and slide it off 3 Using a T20 torx bit remove the single screw in the center of the arm pad support plate Note slide the arm pad support plat...

Page 71: ...ght is reserved to make changes in design and specifications at any time without notice and also to discontinue products 71 Part no 1BBSF4 rev D 5 Using philips T20 torx bit remove the front arm pad bolt 6 Lift up the arm pad and slide it off 1D Fixed Arm Pad Support Plate Removal 7 Using a T20 torx bit remove the two screws from the arm pad support plate Note slide the arm pad support plate to ga...

Page 72: ...ke changes in design and specifications at any time without notice and also to discontinue products 72 Part no 1BBSF4 rev D 9 The 4D Arm Pad Support Plate is keyed The key on the plate must match the key in the Arm Support Re Assembly Steps 10 Reinstall the attachment bolt using T20 torx bit tighten to 20 in lbs 4D Arm Pad Support Plate Installation 8 Hook the slot at the back of the arm pad into ...

Page 73: ... the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 73 Part no 1BBSF4 rev D 11 Position the arm plate 12 Reinstall the two screws and tighten to 20 in lbs 13 Hook the slot at the back of the arm pad into the tab on the arm plate and rotate the arm pad down 14 Torque to 15 in lbs 1D Fixed Arm Pad Sup...

Page 74: ...ailable at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1bbt2n rev A 74 Y Mirra 2 Seat Depth Mechanism Replacement 1 Lay chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side Small Flat Head Screw Driver Seat Depth Assemb...

Page 75: ...nformation available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1bbt2n rev A 75 4 Lift upon the seat while depressing the spring clip Repeat for the opposite side 6 Using T40 torx bit remove the retainer bolt Repeat for the other side 5 Make the seat loosen from the back 3 Slide t...

Page 76: ...at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1bbt2n rev A 76 8 While compressing the seat depth mechanism push the bushing insert from the outside to remove 10 Using a T27 torx bit remove the two screws from the seat depth mechanism 9 Carefully slide the seat link bushing from the s...

Page 77: ...right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1bbt2n rev A 77 12 Remove seat depth mechanism from seat 11 Remove the retainer caps Note Caps are handed so note their original orientation before removing Re assembly Steps 13 Locate the front edge first and the back edge in its position Make sure the 2 little tabs e...

Page 78: ...ble at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1bbt2n rev A 78 15 Using T 27 torx bit install the two screws Torque to 28 in lbs 17 Make sure the tab on the bushing engages with the slot on seat frame 16 Position the back of the seat depth mechanism and compress to install the sea...

Page 79: ...le at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1bbt2n rev A 79 18 Rotate the seat down over the front links 20 Using T40 torx bit tighten the bolts to the torque to 300 in lbs Caution Do not over torque you may strip the thread 19 Install the bolts on both sides 21 Rotate the seat ...

Page 80: ...lustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1bbt2n rev A 80 25 Instal the D Clips into seat Repeat for the other side 24 Push down until it snaps Repeat for the other side 26 Check for proper funct...

Page 81: ...oduct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 81 Part no 1BBT3C rev D Y Mirra 2 Base Replacement 1 Lay chair on the side Parts Included Steps Nylon Cap Tools Required 2lb Hammer Base 2 Remove all the casters and set aside for installation into the new base ...

Page 82: ... changes in design and specifications at any time without notice and also to discontinue products 82 Part no 1BBT3C rev D 3 Place the nylon cap over the bottom of the cylinder Strike the cap using a 2lb hammer to dislodge the base from the cylinder 4 Remove the base from the cylinder 5 To reinstall the casters place the thumb at the bottom of the caster and wiggle in until a audible click sound is...

Page 83: ...llustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 83 Part no 1BBT3C rev D 7 Sit in the chair firmly several times to set the cylinder in the base ...

Page 84: ...rved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBT3D rev E 84 Y Mirra 2 Cylinder Replacement 1 Lay chair on the side Note Mirra 2 stool shown For work chair omit footrest removal procedure 2 Place the nylon cap at the bottom of the cylinder Using a dead blow hammer hit the bottom of the base Parts Included Steps Nylon Cap Tool...

Page 85: ... product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBT3D rev E 85 5 Rotate the height adjustment knob anti clock wise to activate the cylinder 3 Remove base from the cylinder 4 Remove footring from the cylinder 6 Place soft cloth onto tilt ...

Page 86: ...d on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBT3D rev E 86 8 Remove the cylinder from the base 7 Strike the tilt with dead blow hammer back and forth on both sides until gas cylinder separates from tilt ...

Page 87: ...cation The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BBT3D rev E 87 13 Sit on chair firmly several times to set cylinder and base 12 Extend chair arms in upright position Grab the arm stems and lower upper seat assembly onto top of cylinder 10 Install the new cylinder onto the base 11 Install the footring int...

Page 88: ... to make changes in design and specifications at any time without notice and also to discontinue products 88 Part no 1BBT3F rev D Y Mirra 2 Tilt Control Replacement 1 Lay chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side Parts Included Steps Small Flat Head Screw Driver Flat Head Screw Driver Ratchet Wrench T40 torx bit Tools Req...

Page 89: ...he time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 89 Part no 1BBT3F rev D 4 Lift upon the seat while depressing the spring clip Repeat for the opposite side 5 Stand the chair upright and roll the seat forward 3 Slide the flat head screw driver into the slot and depress the spring clip 6 Using finger...

Page 90: ...e of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 90 Part no 1BBT3F rev D 8 Using T25 trox driver remove the two screws from the control retainer 7 Remove the front tilt cover from tilt assembly 11 The control retainer is removed from the tilt assembly 12 Pull the tilt limit control with front link and re...

Page 91: ...ailable at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 91 Part no 1BBT3F rev D 13 Remove front link from tilt limit control 14 Pull the tilt tension control knob and remove it from the tilt assembly 15 Remove the front link from tilt tension control 16 The tilt controls were removed from the ...

Page 92: ...esign and specifications at any time without notice and also to discontinue products 92 Part no 1BBT3F rev D Re Assembly Steps 17 Insert new front link into tilt tension height adjustment control knob assembly 18 Install the tilt tension control knob with front link into tilt assembly Note Height adjustment lever is keyed AL16N keyed lever with mating part in tilt 19 Insert new front link into til...

Page 93: ...ications at any time without notice and also to discontinue products 93 Part no 1BBT3F rev D 21 Slide the forward angle lever control knob over the rear tilt lever control knob Note Rear tilt lever is keyed While applying pressure rotate them together until they snap into the tilt housing 22 Install the control retainer into tilt assembly 23 Using a T25 torx driver install the two screws Torque to...

Page 94: ...he time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 94 Part no 1BBT3F rev D 26 Rotate the seat to the end use position sliding the Pivot Bushing into the keyed opening in the seat 25 Position the rear tilt cover Make sure it is snapped in place 27 Push down until it snaps 28 Instal D Clips into seat R...

Page 95: ...f Herman Miller Inc Illustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 95 Part no 1BBT3F rev D 29 Check for proper function ...

Page 96: ...e latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 96 Part no 1BBT3G rev D Y Mirra 2 Fixed Lumbar Bow Replacement Parts Included Tools Required Fixed Lumbar Philips Head Screw Driver Ratchet Wrench T27 Torx Bit Small Flat Head Screw Driver ...

Page 97: ...on The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 97 Part no 1BBT3G rev D Steps 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side 3 Slide the flat head screw driver into slot and depress the spring clip 4 Lift up on the seat while depressing...

Page 98: ...f publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 98 Part no 1BBT3G rev D 5 Stand the chair upright and roll the seat forward 6 Use an extended 4 inch long T27 torx bit to remove the 2 screws at the bottom center of the back 7 Remove the trim cover 8 With only the bottom bolts removed flex the bottom of the ...

Page 99: ...of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 99 Part no 1BBT3G rev D 9 Using a T25 torx driver remove the two screws 10 Slide the Lumbar up and off the stem 11 Install the new lumbar onto the stem and tighten the screws with T25 torx driver Torque to 70 in lbs 12 Flex the Back and slide around the bott...

Page 100: ...ble at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 100 Part no 1BBT3G rev D 13 Reinstall the trim cover 14 Reinstall the bolts using the extended T27 torx bits Torque to 70 in lbs 15 Rotate the seat to the in use position sliding the Pivot Bushing into the keyed opening in the seat 16 Push do...

Page 101: ...llustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 101 Part no 1BBT3G rev D 17 Reinstall D Clips 18 Check for proper function Part no 1bbt3g rev B ...

Page 102: ...at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 102 Part no 1BBT3H rev E Y Mirra 2 Arm Casting Replacement Parts Included Tools Required Small Flat Head Screw Driver Ratchet Wrench 4 T30 Torx Bit 13mm deep Socket Arm Support Casting Old Style New Style Additional notes New Style Arm Support Po...

Page 103: ...on The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 103 Part no 1BBT3H rev E Steps 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side 3 Slide the flat head screw driver into slot and depress the spring clip 4 Lift upon the seat while depressing...

Page 104: ...publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 104 Part no 1BBT3H rev E 5 Stand the chair upright and roll the seat forward 6 Rotate the Hip Pivot Bushing upside down Insert the flathead screw driver into the hole and release the tab by depressing the clip 7 Hip Pivot Bushing removed 8 Align the keyed hole ...

Page 105: ...roduct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 105 Part no 1BBT3H rev E 9 Using 13mm deep socket remove the Arm Support Post 11 Remove the washer from arm New Arm Support Post does not use washer 10 Arm Support Post removed 12 Release the catch on the arm ...

Page 106: ...anges in design and specifications at any time without notice and also to discontinue products 106 Part no 1BBT3H rev E 13 Slide the entire assembly up to remove the arm 14 Using a small flat head screwdriver depress the two hooks in the back of the bottom tilt cover as shown Remove the tilt cover Hook Location 15 Use 6 T40 torx bit to remove the arm casting from tilt assembly 16 While loosening t...

Page 107: ...ation available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 107 Part no 1BBT3H rev E 17 Remove the nut plate from the bottom of the tilt assembly Re Assembly Steps 19 Place the bolt into arm casting slot Note Arm castings are handed L R 18 Place the nut plate on the bottom of the tilt asse...

Page 108: ... The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 108 Part no 1BBT3H rev E 20 Position the arm in place 22 While re installing the arm assembly make sure the plastic bearing is seated inside the arm It may be extended out 23 Using flat head screw drive slide the sleeve back down if it is not in properly seated 21 Using a...

Page 109: ...me of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 109 Part no 1BBT3H rev E 24 Align the opening in the arm up with the hole in the arm support casting 25 Install the washer into arm New Arm Support Post does not use washer 27 Using a 13mm deep socket tighten the Arm Support Post Torque to 300 in lbs 26 H...

Page 110: ...ight is reserved to make changes in design and specifications at any time without notice and also to discontinue products 110 Part no 1BBT3H rev E 28 Install the new Hip Pivot Bushing on the ball end of the Arm Support Post Note The bushing will only go on one way 29 Snap the two halves of the Hip Pivot Bushing together 30 Rotate the seat to the end use position sliding the Pivot Bushing into the ...

Page 111: ...ller Inc Illustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 111 Part no 1BBT3H rev E 32 Reinstall D Clips 33 Check for proper function ...

Page 112: ...ed to make changes in design and specifications at any time without notice and also to discontinue products 112 Part no 1BBT3J rev D Y Mirra 2 Sleeve Bearing Replacement Hip Pivot Retainer Hip Pivot Bushing Arm Stem Sleeve Parts Included Tools Required 13mm deep Socket Plastic Sleeve Bearing Hip Pivot Bush Hip Pivot Retainer Old Style New Style Small Flat Head Screw Driver Ratchet Wrench T40 Torx ...

Page 113: ...ble at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 113 Part no 1BBT3J rev D Steps 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side 3 Install new D Plug Repeat it for the other side Re Assembly Steps Hip Pivot Reta...

Page 114: ... is reserved to make changes in design and specifications at any time without notice and also to discontinue products 114 Part no 1BBT3J rev D 3 Slide the flat head screw driver into slot and depress the spring clip 4 Lift upon the seat while depressing the spring clip Repeat for the opposite side 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver R...

Page 115: ...oduct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 115 Part no 1BBT3J rev D 5 Roll the seat forward 6 Rotate the Hip Pivot Bushing upside down Insert the flat head screw driver into the hole and release the tab by depressing the clip 7 Hip Pivot Bushing removed ...

Page 116: ...reserved to make changes in design and specifications at any time without notice and also to discontinue products 116 Part no 1BBT3J rev D 9 Snap the two halves of the Hip Pivot Bushing together 10 Rotate the seat to the in use position sliding the Pivot Bushing into the keyed opening in the seat 11 Push down until it snaps 8 Install the new Hip Pivot Bushing on the ball end of the Arm Support Pos...

Page 117: ...ller Inc Illustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 117 Part no 1BBT3J rev D 13 Check for proper function 12 Reinstall D Clips ...

Page 118: ... is reserved to make changes in design and specifications at any time without notice and also to discontinue products 118 Part no 1BBT3J rev D 3 Slide the flat head screw driver into slot and depress the spring clip 4 Lift up on the seat while depressing the spring clip Repeat for the opposite side 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver ...

Page 119: ...f publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 119 Part no 1BBT3J rev D 5 Stand the chair upright and roll the seat forward 6 Rotate the Hip Pivot Bushing upside down Insert the flat head screw driver into the hole and release the tab by depressing the clip 7 Hip Pivot Bushing removed 8 Align the hole in ...

Page 120: ...roduct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 120 Part no 1BBT3J rev D 9 Using 13mm deep socket remove the Arm Support Post 11 Remove the washer from arm New Arm Support Post does not use washer 10 Arm Support Post removed 12 Release the catch on the arm ...

Page 121: ...on available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 121 Part no 1BBT3J rev D 13 Slide the entire assembly up to remove the arm 15 Slide the Plastic Sleeve Bearing out of the arm 14 Using a flat head screw driver push the plastic tabs on bearing downwards to disengage the tabs from arm...

Page 122: ...nges in design and specifications at any time without notice and also to discontinue products 122 Part no 1BBT3J rev D 19 While installing arm assembly make sure the plastic bearing is seated inside the arm It may be extended out Re Assembly Steps 17 Slide the new bearing assembly into the arm 16 Align the two halves of the Plastic Sleeve Bearing as shown Make sure the tab engages with the notch o...

Page 123: ...ublication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 123 Part no 1BBT3J rev D 21 Align the opening in the arm up with the hole in the arm support casting 23 Hand start the Arm Support Post 22 Install the washer into arm New Arm Support Post does not use washer 20 Using flat head screw driver slide the sleeve back ...

Page 124: ...changes in design and specifications at any time without notice and also to discontinue products 124 Part no 1BBT3J rev D 26 Snap the two halves of the Hip Pivot Bushing together 27 Rotate the seat to the in use position sliding the Pivot Bushing into the keyed opening in the seat 25 Install the new Hip Pivot Bushing on the ball end of the Arm Support Post Note The bushing will only go on one way ...

Page 125: ...trations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 125 Part no 1BBT3J rev D 30 Check for proper function 29 Reinstall D Clips 28 Push down until it snaps ...

Page 126: ...ime of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 126 Part no 1BBT3K rev D Y Mirra 2 Arm Stem Assembly Replacement Parts Included Tools Required Small Flat Head Screw Driver Phillips Head Screw Driver Ratchet Wrench 13mm deep Socket Arm Stem Assembly Old Style New Style Additional notes New Style Arm Su...

Page 127: ...n The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 127 Part no 1BBT3K rev D Steps 1 Lay the chair on its side 2 Remove the D Plug from the retainer hole using the small screw driver Repeat for the opposite side 3 Slide the flat head screw driver into slot and depress the spring clip 4 Lift up on the seat while depressing...

Page 128: ...f publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 128 Part no 1BBT3K rev D 5 Stand the chair upright and roll the seat forward 6 Rotate the hip pivot bushing upside down Insert the flat head screw driver into the hole and release the tab by depressing the clip 7 Hip Pivot Bushing removed 8 Align the hole in ...

Page 129: ...duct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 129 Part no 1BBT3K rev D 9 Using 13mm deep socket remove the arm support post 11 Remove the washer from the arm New Arm Support Post does not use washer 10 Arm Support Post removed 12 Release the catch on the arm ...

Page 130: ...right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 130 Part no 1BBT3K rev D 13 Slide the entire assembly up to remove the arm 14 Using a T20 torx bit remove the front arm pad bolt 15 Lift up the arm pad and slide it off 16 Using a T20 torx bit remove the single screw in the center 4D Arm Pad Support Plate Removal Note slide th...

Page 131: ...e right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 131 Part no 1BBT3K rev D 17 Arm pad removed 1D Fixed Arm Pad Support Plate Removal 18 Using philips T20 torx bit remove the front arm pad bolt 19 Lift up the arm pad and slide it off 20 Using a T20 torx bit remove the two screws from the arm pad support plate Note slide the ...

Page 132: ...ct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 132 Part no 1BBT3K rev D 21 Arm Pad Support Plate removed Re Assembly Steps 22 Position the arm plate on the arm stem 23 Reinstall the attachment bolt and tighten it to 60 in lbs 4D Arm Pad Support Plate Installation ...

Page 133: ...he time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 133 Part no 1BBT3K rev D 24 Hook the slot on the back of the arm pad over the tab on the arm plate and rotate the arm pad down 25 Torque to 15 in lbs 26 Position the arm plate 27 Reinstall the two screws and tighten it to 60 in lbs 1D Fixed Arm Pad S...

Page 134: ...rved to make changes in design and specifications at any time without notice and also to discontinue products 134 Part no 1BBT3K rev D 28 Hook the slot on the back of the arm pad into the tab on the arm plate and rotate the arm pad down 29 Torque to 15 in lbs 30 While installing new arm assembly make sure the plastic bearing is seated inside the arm It may be extended out 31 Using flat head screw ...

Page 135: ...me of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 135 Part no 1BBT3K rev D 32 Align the opening in the arm up with the hole in the arm support casting 35 Using a 13mm deep socket tighten the Arm Support Post Torque to 300 in lbs 34 Hand start the Arm Support Post 33 Install the washer into arm New Arm Su...

Page 136: ...ght is reserved to make changes in design and specifications at any time without notice and also to discontinue products 136 Part no 1BBT3K rev D 36 Install the new Hip Pivot Bushing on the ball end of the Arm Support Post Note The bushing will only go on one way 37 Snap the two halves of the Hip Pivot Bushing together 38 Rotate the seat to the end use position sliding the Pivot Bushing into the k...

Page 137: ...ller Inc Illustrations and specifications are based on the latest product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 137 Part no 1BBT3K rev D 41 Check for proper function 40 Reinstall D Clips ...

Page 138: ...n The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 138 Part no 1BBT3M rev C Y Mirra 2 Front Link Assembly Replacement Small Flat Head Screw Driver Front Link Assembly Ratchet Wrench T40 Torx Bit T25 Torx Bit Tools Required Parts Included 1 Lay chair on its side 2 Remove the D Plug from the retainer hole using the small s...

Page 139: ...me of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 139 Part no 1BBT3M rev C 4 Lift up the seat while depressing the spring clip Repeat for the opposite side 3 Slide the flat head screw driver into the slot and depress the spring clip 6 Using T40 torx bit remove the retainer bolt Repeat for the other side ...

Page 140: ...test product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 140 Part no 1BBT3M rev C Note Be careful not to damage the bushings 7 Remove the seat from chair 8 Using fingers lift and remove the top rear tilt cover 9 Using fingers remove the front tilt cover ...

Page 141: ...time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 141 Part no 1BBT3M rev C 10 Using T25 Torx Bit remove the two screws from the control retainer 11 The control retainer is removed from the tilt assembly 12 Pull the tilt limit control with front link and remove it from the tilt assembly 13 Remove front ...

Page 142: ...n design and specifications at any time without notice and also to discontinue products 142 Part no 1BBT3M rev C 14 Pull the tilt tension control knob and remove it from the tilt assembly 15 Remove the front link from tilt tension control Re Assembly Steps 17 Install the tilt tension control knob assembly with front link into tilt assembly Note Height adjustment lever is keyed mate lever key with ...

Page 143: ...cifications at any time without notice and also to discontinue products 143 Part no 1BBT3M rev C 18 Insert new front link into tilt limit control assembly 19 Install the tilt limit control assembly with front link into the tilt assembly 21 Slide the forward angle lever control knob over the rear tilt lever control knob While applying pressure rotate them together until they snap into the tilt hous...

Page 144: ...f publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 144 Part no 1BBT3M rev C 22 Install the control retainer into tilt assembly 23 Using T25 Torx bit install the two screws Torque to 60 in lbs Check all levers for proper function 24 Position the top front tilt cover and snap it in place 25 Position the top rea...

Page 145: ...he right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 145 Part no 1BBT3M rev C Note Before re attaching the seat to the front links make sure the bushings are still in place 27 Rotate the seat down over the Front Links and align with the slot in the seat 28 Install the bolts on both sides 29 Using T40 torx bit tighten the bolt...

Page 146: ...ct information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products 146 Part no 1BBT3M rev C 30 Rotate the seat to the end use position sliding the Pivot Bushing into the keyed opening in the seat 31 Push down until it snaps 32 Instal the D Clips into seat 33 Check for proper function ...

Page 147: ...t product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BFM0V rev B 147 Y Mirra 2 Footring Replacement Hammer Nylon Cap Tools Required 1 Place nylon cap over the end of cylinder and strike with hammer 2 Disengage the base from cylinder Steps ...

Page 148: ...test product information available at the time of publication The right is reserved to make changes in design and specifications at any time without notice and also to discontinue products Part no 1BFM0V rev B 148 3 Take out the footring from cylinder 5 Place the base into cylinder 4 Place the footring into cylinder 4 Sit on chair firmly several times to set cylinder and base ...

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