Graco Merkur Bellows Repair Parts Download

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Optional Kits

312793L

Optional Kits

Use with materials that cause chemical compatibility concerns with UHMWPE, such as acid catalyst materials.

** Replaces standard kits for high corrosive applications.

Accessories

Overflow Chamber Kit 24E298

Kit Description

LB050A
LB050B

LB100A
LB100B

LB150A
LB150B

LB100C

(acid)

Reinforced PTFE V-Packing Kit*
Reinforced PTFE throat packings and glands, reinforced PTFE
piston packings and glands, o-rings, and springs

24J858

24J859

24J860

PTFE Bellows Kit*
Includes PTFE bellows and o-rings

24J850

24J851

316 Stainless Steel Check Ball Kit**
Includes: Check balls (34, 47), ball stop spring (36), and o-rings
(2, 12, 21, 32 and 41).

24T257

24T258

316 Stainless Steel Seat and Ball Kit**
Includes: Seats (33, 46), check balls (34, 47), flow-through nut
(44) and o-rings (2, 12, 21, 32, and 41).

24A800

24A801

Ref. Description

Qty.

101

LID

102

O-RING

103

BOTTLE

104

FITTING, 2 x 1/4-18 npt

105

NUT, retaining

106

D-SHAPED SEAL, bellows

Summary of Contents for Merkur Bellows

Page 1: ... materials For professional use only See page 8 for model information including maximum working pressures Important Safety Instructions Read all warnings and instructions in this manual For complete warnings and instructions see your pump or package manual Hazard symbols refer to specific procedure risks Save these instructions ti14532a ...

Page 2: ...oisture Sensitivity of Acid Catalysts 7 Models 8 Component Identification 9 Repair 10 General Information 10 Preparation 10 Replace the Bellows 11 Complete Pump Repair 13 Parts 18 Repair Kits 24 Optional Kits 25 Accessories 25 Dimensions 26 Technical Data 27 California Proposition 65 27 Graco Standard Warranty 28 Graco Information 28 Related Manuals Manual Description 312795 Merkur Bellows Pump As...

Page 3: ...or light switches on or off when flammable fumes are present Ground all equipment in the work area See Grounding instructions Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into pail If there is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work...

Page 4: ...pplicable safety regulations MOVING PARTS HAZARD Moving parts can pinch cut or amputate fingers and other body parts Keep clear of moving parts Do not operate equipment with protective guards or covers removed Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure and disconnect all power sources SUCTION HAZARD Powerful su...

Page 5: ...uctions in the manual To prevent inhalation of isocyanate mists vapors and atomized particulates everyone in the work area must wear appropriate respiratory protection Always wear a properly fitting respirator which may include a supplied air respirator Ventilate the work area according to instructions in the fluid manufacturer s SDS Avoid all skin contact with isocyanates Everyone in the work are...

Page 6: ...up or reservoir if installed filled with appropriate lubricant The lubricant creates a barrier between the ISO and the atmosphere Use only moisture proof hoses compatible with ISO Never use reclaimed solvents which may contain moisture Always keep solvent containers closed when not in use Always lubricate threaded parts with an appropriate lubricant when reassembling NOTICE Changing the material t...

Page 7: ...supplied air respirator Ventilate the work area according to instructions in the acid manufacturer s SDS Avoid all skin contact with acid Everyone in the work area must wear chemically impermeable gloves protective clothing foot coverings aprons and face shields as recommended by the acid manufacturer and local regulatory authority Follow all fluid manufacturer recommendations including those rega...

Page 8: ...igits in the matrix do not correspond to the reference numbers in the Parts drawings and lists The acid u cup seal C is used only in model LB100C ID ti15221a L B 100 A First Digit Second Digit Material Third Fourth and Fifth Digits Displacement Pump Volume Per Cycle in cc Sixth Digit Packings Seals L Lower B Bellows Style 050 A V Packings 3 UHMWPE 2 PTFE 100 B U Cup Seal 150 C U Cup Seal Acid Part...

Page 9: ...2793L 9 Component Identification Key A Connecting Rod B Top Cap C Pump Fluid Inlet D Bellows Chamber E Packing Nut F Cylinder G Pump Fluid Outlet H Pump Adapter J Foot Cap FIG 1 Component Identification A B E G C ti14532a D F H J ...

Page 10: ...w chamber optional accessory contains fluid unscrew the bottle 103 and discard See FIG 4 If it has not been used the bottle can remain attached to the cap 6 Use a 5 mm hex wrench to loosen the screws 10 on the top cap 7 Hold the coupling nut with a wrench Use another wrench to turn the motor shaft To avoid damage to the top cap and the D shaped seal do not turn the coupling nut 8 Lower the couplin...

Page 11: ...seal 106 Leave the fitting 104 attached to the top cap 8 unless it needs to be replaced 5 Use a socket to remove the foot cap 42 Remove and discard the o ring 41 6 Hold the hex on the connecting rod 14 with a 19 mm 3 4 in wrench Brace against tie rod or bench so it cannot turn Use a socket to loosen the piston rod assembly 7 See FIG 6 Pull the connecting rod 14 and bellows 7 out of the top of the ...

Page 12: ...d connect ing rod with 19 mm 3 4 in wrench Install and tighten the retaining nut 105 Torque to 100 120 in lb 11 14 N m Do not overtighten 8 Install a new foot cap o ring 41 Grease and install the foot cap 42 Torque to 54 66 ft lb 73 89 N m 9 Push up on the motor shaft Slide on the coupling nut 55 Install the coupling collars 56 10 Hold connecting rod with 19 mm 3 4 in wrench Install and tighten th...

Page 13: ...placed see Replace the Bel lows page 11 If overflow chamber is fine leave it attached to the top cap 9 Remove the connecting rod 14 and bellows 7 10 Use a 5 mm allen wrench to remove the three screws 17 and washers 18 then remove the bel lows chamber 1 Remove and discard the bellows chamber o ring 12 11 Use a 54 mm 2 1 8 in socket wrench to remove the packing nut 20 12 V Packing Models Remove the ...

Page 14: ...d seat 46 in the bottom of the piston Grease and install new o ring 32 5 Grease and reinstall the flow through nut 44 Torque to 74 86 ft lb 100 117 N m 6 Place the packing nut 20 upside down on the bench so packings will align properly V Packing Models Lubricate and install the female gland 26 new v packings 24 25 and the male gland 23 in the packing nut Lips must face up so they will face toward ...

Page 15: ...35 Lubricate and install male gland 40 new piston packings 37 39 and female gland 38 on the dis placement rod 31 Lips must face toward the cylinder 12 U Cup Models Lubricate and install the washer 54 u cup 53 and bearing 52 U cup must face toward the cylinder FIG 11 U Cup throat seal FIG 12 Bellows chamber and packing nut ti15259a 20 49 50 51 Apply grease 1 1 1 1 U cup faces up toward cylinder whe...

Page 16: ...foot cap 42 Torque to 54 66 ft lb 73 89 N m 20 Push up on the motor shaft Slide on the coupling nut 55 Install the coupling collars 56 21 Hold air motor shaft Install and tighten the coupling nut Torque to 75 80 ft lb 138 146 N m 22 If Replacing Overflow Chamber Insert the o ring 102 into the lid 101 Tighten the new bottle 103 with lid 101 attached to the fitting 104 23 Turn connecting rod 14 to a...

Page 17: ...Repair 312793L 17 ...

Page 18: ...22 23 27 28 29 31 32 33 34 45 47 46 32 44 35 40 37 39 37 39 37 38 41 42 Apply thread lubricant 2 Torque to 100 120 in lb 11 14 N m 3 Torque to 54 66 ft lb 73 89 N m 4 Torque to 74 86 ft lb 100 117 N m 5 Torque to 91 109 ft lb 123 148 N m 6 4 5 6 6 4 3 3 1 1 1 1 1 1 1 1 12 15 19 36 5 2 2 2 2 Lips face down Lips face up 2 1 1 ...

Page 19: ...includes 48 1 LB050A and LB100A 3 8 18 npt x 3 4 16 un 24A840 LB150A 3 4 14 npt x 1 3 16 16 un 24A842 20 PACKING NUT KIT includes 2 12 21 32 and 41 1 LB050A 24F837 LB100A 24F223 LB150A 24F224 21 O RING packing nut bottom 1 LB050A 107078 LB100A 104537 LB150A 110492 22 SPRING 1 23 GLAND male 1 24 V PACKING UHMWPE 3 25 V PACKING PTFE 2 26 GLAND female 1 27 CYLINDER KIT includes 2 12 19 21 32 41 and 4...

Page 20: ...0 20 51 27 28 29 31 32 33 34 45 47 46 32 44 54 53 52 41 42 Apply thread lubricant 2 Torque to 100 120 in lb 11 14 N m 3 Torque to 54 66 ft lb 73 89 N m 4 Torque to 74 86 ft lb 100 117 N m 5 Torque to 91 109 ft lb 123 148 N m 6 4 6 6 4 3 3 1 1 1 1 1 1 1 12 19 15 36 1 5 5 2 2 2 2 U cup faces down U cup faces up 2 1 1 ...

Page 21: ...ee Hard ware Kit page 24 117018 3 19 OUTLET FITTING KIT includes 48 1 LB050B and LB100B 3 8 18 npt x 3 4 16 un 24A840 LB150B 3 4 14 npt x 1 3 16 16 un 24A842 20 PACKING NUT KIT includes 2 12 21 32 and 41 1 LB050B 24F837 LB100B 24F223 LB150B 24F224 21 O RING packing nut bottom 1 LB050B 107078 LB100B 104537 LB150B 110492 27 CYLINDER KIT includes 2 12 19 21 32 41 and 48 1 LB050B 24A828 LB100B 24A829 ...

Page 22: ...28 29 31 32 33 34 47 46 32 44 54 53 52 41 42 Apply thread lubricant 2 Torque to 100 120 in lb 11 14 N m 3 Torque to 54 66 ft lb 73 89 N m 4 Torque to 74 86 ft lb 100 117 N m 5 Torque to 91 109 ft lb 123 148 N m 6 4 6 6 4 3 3 1 1 1 1 1 1 1 12 19 15 36 1 5 5 2 2 2 2 U cup faces down U cup faces up 2 1 1 ti29675a 45 57 58 ...

Page 23: ... 3 4 14 npt x 1 3 16 16 un 24A842 1 17 SCREW bellows chamber M6 x 25 see Hardware Kit page 24 117029 3 18 WASHER bellows chamber see Hard ware Kit page 24 117018 3 19 OUTLET FITTING KIT 3 8 18 npt x 3 4 16 un includes 48 24A840 1 20 PACKING NUT 17M093 1 21 O RING packing nut bottom 1 27 CYLINDER 17M089 1 28 ADAPTER pump 1 29 JAM NUT 24A637 1 31 DISPLACEMENT ROD KIT 24F296 1 32 O RING piston 2 33 S...

Page 24: ...t Rod Connecting Rod Piston Kit Includes displacement rod 31 piston 45 nylon extrusions not in parts list connecting rod 14 bellows 7 snap bushing 3 bellows bushing 6 seats 33 46 check balls 34 47 spring 36 flow through nut 44 coupling nut 55 coupling collars 56 and o rings 2 4 5 12 21 32 and 41 24A649 24A650 24A651 Displacement Rod Kit Includes displacement rod 31 and o rings 2 12 21 32 and 41 24...

Page 25: ... reinforced PTFE piston packings and glands o rings and springs 24J858 24J859 24J860 PTFE Bellows Kit Includes PTFE bellows and o rings 24J850 24J851 24J851 24J851 316 Stainless Steel Check Ball Kit Includes Check balls 34 47 ball stop spring 36 and o rings 2 12 21 32 and 41 24T257 24T258 24T258 24T258 316 Stainless Steel Seat and Ball Kit Includes Seats 33 46 check balls 34 47 flow through nut 44...

Page 26: ...mp Dimensions Height measured at midstroke Displacement Pump A Height in mm B Inlet Size in npt C Outlet Size in npt Weight lbs kg LB050A LB050B 23 6 599 3 4 in 3 8 in 26 11 LB100A LB100B LB100C 23 6 599 3 4 in 3 8 in 30 13 LB150A LB150B 23 6 599 1 in 3 4 in 34 15 ...

Page 27: ...a 248 bar 2400 psi 16 5 MPa 165 bar Maximum fluid inlet pressure 15 psi 0 1 MPa 1 0 bar Maximum fluid temperature 160 F 71 C Ambient temperature range 35 120 F 2 49 C Stroke length 2 5 in Wetted parts PEEK PTFE stainless steel tungsten carbide UHMWPE Wetted materials on acid model LB100C 316 SST 17 4 SST Peek PTFE UHMWPE CALIFORNIA RESIDENTS WARNING Cancer and reproductive harm www P65warnings ca ...

Page 28: ...material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warran...

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