Western 74880 Installation Instructions Manual Download Page 1 | Manualshive

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April 15, 2017

Lit. No. 76636, Rev. 00

CAUTION

Read Owner's Manual before operating or
servicing rotary broom.

A DIVISION OF DOUGLAS DYNAMICS, LLC

Rotary Broom

RB400, 74880

Installation Instructions

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Summary of Contents for 74880

Page 1: ...April 15 2017 Lit No 76636 Rev 00 CAUTION Read Owner s Manual before operating or servicing rotary broom A DIVISION OF DOUGLAS DYNAMICS LLC Rotary Broom RB400 74880 Installation Instructions ...

Page 2: ...ge to your rotary broom or other property Other useful information can also be described WARNING Indicates a potentially hazardous situation that if not avoided could result in death or serious personal injury CAUTION Indicates a potentially hazardous situation that if not avoided may result in minor to moderate injury It may also be used to alert against unsafe practices WARNING Always make sure ...

Page 3: ...protect your eyes from dirt dust and flying debris Be aware of and avoid pinch points when assembling and operating Pinch points can exist around levers and when putting two parts together during assembly FIRE AND EXPLOSION WARNING Gasoline is highly flammable and gasoline vapor is explosive Never smoke while working on vehicle Keep all open flames away from gasoline tank and lines Wipe up any spi...

Page 4: ...M10 x 1 50 M27 x 3 00 M22 x 2 50 M30 x 3 50 M24 x 3 00 M20 x 2 50 11 1 19 5 38 5 67 107 7 7 613 778 1139 1545 450 428 562 796 1117 M33 x 3 50 M36 x 4 00 2101 2701 1468 1952 325 M16 x 2 00 231 167 M18 x 2 50 318 222 Recommended Fastener Torque Chart Size Size Torque ft lb Grade 5 Grade 8 Metric Fasteners Class 8 8 and 10 9 These torque values apply to fasteners except those noted in the instruction...

Page 5: ... Use metric tools to assemble the rotary broom Two people are necessary for this procedure 1 Rest the handlebar on the clamps 2 Mount handlebar to the supports with the knob 3 Put the other half of the clamps onto the studs 4 Put fixing plates on the studs Position as shown Front ...

Page 6: ...the nuts so the handlebars will still move but not fall 7 Using a 10 mm wrench attach throttle lever with M6 x 65 mm cap screw washer and locknut 8 Put right and left wheels on the drive axle and secure with the linchpin Put the linchpin through the axle only This is the freewheel position see Owner s Manual for more information ...

Page 7: ...achine at the front with a wooden block Secure the rear wheels with chocks Attach Support Wheel 1 Wheel with fasteners 2 Push the sleeve through the wheel 3 Position the support wheel as shown 4 Push the M10 x 100 mm cap screw through and thread on the nut Use a 17 mm wrench ...

Page 8: ...both sides that hold the wheel drive housing to the brush drive extension DO NOT REUSE THE REMOVED HARDWARE 2 Remove the cap screws on both sides that hold the wheel drive housing to the brush drive frame Pull the brush drive frame forward keeping the frame member as level as possible and keeping the frame from scraping the cover DO NOT REUSE THE REMOVED HARDWARE ASSEMBLY INSTRUCTIONS Pull frame f...

Page 9: ...ushing mechanism to the axle drive housing Tighten in the order shown IMPORTANT Tighten the bottom cap screws first then tighten the cap screws on the side Please note the order in which the fasteners are tightened Otherwise the machine is not exactly aligned and the drive belt could wear down the brush 5 Fix the cable to the handle bars with cable ties at the locations show Trim off the excess wh...

Page 10: ... The ties here must form a loop Do not tighten completely The cable must be able to move when the handle is folded ASSEMBLY INSTRUCTIONS Attach the Brush Cover Side Panels 1 Parts 2 Position the side panel so that the holes are concentric ...

Page 11: ...rough from above Push the washers on from below and screw on the nuts Tighten with a 13 mm wrench 4 Repeat this procedure for the second panel Installing the Brushes 1 Screw the nut onto the axle until about 3 4 extends beyond the nut Axle Nut Locknut Washer Cap Left Brush Right Brush ...

Page 12: ...d right brush through the drive source centered underneath the brush cover ASSEMBLY INSTRUCTIONS 5 Put the axle with the cap washer and brush through the drive source centered underneath the brush cover 6 In the center the tab on the cap gear should fit the slot on the brush cylinder 7 Put the left brush on Make sure the brush is locked onto center cap gear TAB SLOT ...

Page 13: ...er on the end Thread on locknut 9 Tighten the axle using two 19 mm wrenches ASSEMBLY INSTRUCTIONS Install the Belt Cover 10 Hardware needed TORX screws countersink washers and snap nuts 11 Installation of snap nuts TORX is a registered trademark of Textron Inc ...

Page 14: ...he mounting holes on the cover and thread into the snap nuts 15 Tighten ASSEMBLY INSTRUCTIONS 12 Location of snap nuts 13 Set the brush at an angle Slip the cover over the belt area and back so the snap Nuts can be seen through the holes in the cover TORX is a registered trademark of Textron Inc ...

Page 15: ...tenance Instructions in Owner s Manual for oil filling instructions ASSEMBLY INSTRUCTIONS Install Height Adjustment Knob Thread the height adjustment knob into the height adjustment mechanism Put a lubricant on the threads Push the threads through the rubber bushing Feel around for the hole in the mechanism Push down to ensure the threads are lined up Make sure the knob is standing vertical Begin ...

Page 16: ... Products reserves the right under its product improvement policy to change construction or design details and furnish equipment when so altered without reference to illustrations or specifications used Western Products may require or recommend optional equipment for rotary brooms Western Products offers a limited warranty for all rotary brooms and accessories See separately printed page for this ...

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