Ingersoll-Rand 6737X-XXX User's Manual
Contents
1. 135 6 149 1 Nm 62 cap screw 295 305 ft Ibs 400 0 413 5 Nm LUBRICATION SEALANTS Keep solvent cup filled with a lubricant such as Wet Sol Plus or equivalent Apply Loctite 242 to mating threads Apply anaerobic pipe sealant to mating threads Apply Loctite nickel anti seize to mating threads and faces Lubricate items with Wet Sol Plus 1 1 4 11 1 2 NPTF 2 Figure 2 6737X XXX en Page 3 of 4 repeated several times to assure small enough diameter has been achieved to insure proper assembly 15 Apply lubricant to inside of 9 tube and carefully slide 9 tube over the 72 wiper and 71 W packing or 76 packing set and onto 6 outlet body NOTE Once the 9 tube has cleared the packings a rubber mallet may be used to drive 9 tube into place 16 Apply Loctite nickel anti sieze to threads of 10 connecting rods and assemble three 10 connecting rods to 15 inlet body 17 Assemble 15 inlet body and components to 9 tube aligning three 10 connecting rods with holes in 6 outlet body 18 Assemble three 12 nuts to 10 connecting rods securing assembly NOTE Tighten 12 nuts to 60 70 ft Ibs 81 3 94 9 Nm NOTE Draw 12 nuts equally together and then tighten TROUBLE SHOOTING No material at outlet pump continually cycles e Check material supply Disconnect or shut off the air supply and replenish the material Reconnect Material on one2. lower Spring Arrangement 3 No spring Wave spring No spring with alternate solvent cup No spring with alternate seat material Wave spring with alternate seat material Wave spring with alternate solvent cup No spring with alternate seat material and alternate solvent cup Wave spring with alternate seat material and alternate solvent cup Plunger Type D Hardened stainless steel with hard chrome plating F Stainless steel with hard chrome plating Service Kit Selection 6737X XXX 637444 HID Packing Spring Example Lower Pump End 67371 C6D Service Kit 637444 C6D CCN 15262132 ARO LG Ingersoll Rand Industrial Technologies 2 sowe O T moassen aaa o era6s S81 66730 iss 96036 iss Description size Qty PartNo Mtl 0 Ring 0 103 x3 365 0 d models 6737X KXX 93333 models 6737X CXX LXX PXX RXX 92619 models 67372 XXX 79164 79164 Connecting Rod 79156 79184 KO m Tube modets e3710 KO 3 3 m 96437 Inlet Body C iei 96093 327 350 w osas o KO KO KO Plunger modetsors7xxxp 1 67204 me KO o KO ne KO 2 K Ko Ball 3 000 dia Ball Seat s i ie O Ring 3 16 x5 o d Y16 132 92610 7 Bal ee ammos TC MATERIAL CODE B Nitrile SS Stainless Steel C Carbon Steel T PTFE Ny Nylon TC Tungsten Carbide PSH Hard Ch
3. OPERATOR S MANUAL INCLUDING SERVICE KITS TROUBLESHOOTING PARTS LIST DISASSEMBLY amp REASSEMBLY 6737X XXX RELEASED 2 2 09 REVISED 6 3 10 REV 02 TWO BALL STYLE LOWER PUMP ENDS Also covers 637444 XXX service kits L READ THIS MANUAL CAREFULLY BEFORE INSTALLING OPERATING OR SERVICING THIS EQUIPMENT It is the responsibility of the employer to place this information in the hands of the operator Keep for future reference The original language of this manual is English SERVICE KITS Use only genuine ARO replacement parts to assure compatible pressure rating and longest service life 637444 XXX for general repair of 6737X XXX lower pump ends GENERAL DESCRIPTION DO NOT EXCEED MAXIMUM OPERATING PRES SURE AS INDICATED ON PUMP MODEL PLATE REFER TO GENERAL INFORMATION SHEET FOR ADDITIONAL SAFETY PRECAUTIONS AND IMPORTANT IN FORMATION e This manual covers the lower pump section It is one of four documents which support an ARO pump Replacement copies of these forms are available upon request CO NMXXXXX XX XXX Pump Model Operator s Manual O General Information for Air Hydraulically Operated Piston Pumps Lower Pump End Operator s Manual O Air Hydraulic Motor Operator s Manual e The two ball design provides better priming of the lower foot valve The double acting feature is standard in all ARO indus trial pumps Material is delivered to the pump discharge outlet on both the up and
4. Page 2 of 4 13 K W Packing models 6737X CXX PXX 2 93683 4 UH E y Packing models 6737X CXX RXX 2 93683 4 UH Male Packing Washer models 6737X CXX LXX PXX RXX 62 Cap Screw 1 14x 3 3 96447 SS 71 W Packing models 6737X CXX PXX 1 93758 4 UH 72 Wiper models 6737X CXX PXX 1 93757 4 TUH 075 Packing set moses tn o3s681 rrr 076 Packing set moaeserancoo tn 035671 rrr ejne df fears fis ooo T o itemsincudedinServicenit _ ea7aaexx0 PARTS LIST a o E Ce as seatsoy fofoa issi 40 Retainnging To al fe XDX XEX XGX 045 Retaining Washer Jason tw Tas apScewour oe a veasT Tiss 20 ashe eee moana 936035 m cup Assemble 45 retaining washer into 6 outlet body and screw 1 solvent cup and components into 6 outlet body NOTE Do not tighten Lubricate and assemble 8 O ring to groove in 6 outlet body Lubricate 26 plunger and upper packings with Wet Sol Plus Carefully slide 6 outlet body 1 solvent cup and components over the top of 26 plunger Retain 6 outlet body in a bench vise and tighten 1 solvent cup Carefully lay assembled parts aside for future assembly Assemble 76 packing set or 72 wiper and 71 W packing onto 36 seat body Assemble 40 retaining ring on 36 seat body and lay aside for future assembly Lubricat
5. down stroke MAINTENANCE The air hydraulic motor is completely separate from the lower pump end This helps to keep the motor from being contaminated by the material being pumped Periodically flush entire pump system with a solvent that is compatible with the material being pumped Keep solvent cup filled with this compatible solvent This will keep the material from drying on the piston rod which would drag through the packings ruin them and eventually scour the piston rod Provide a clean work surface to protect sensitive internal moving parts from contamination from dirt and foreign matter during dis assembly and reassembly Before reassembling lubricate parts as required When assembling O rings or parts adjacent to O rings exercise care to prevent damage to O rings and O ring groove surface INGERSOLL RAND COMPANY LTD 209 NORTH MAIN STREET BRYAN OHIO 43506 800 495 0276 e FAX 800 892 6276 2010 www ingersollrandproducts com Figure 1 LOWER PUMP END DESCRIPTION CHART 6737X XXX Pump Material 1 400 series stainless steel 2 300 series stainless steel Packing Material UHMW PE upper and lower Carbon and Graphite filled PTFE with nitrile ener gizer upper and lower Mineral filled PTFE upper and lower UHMW PE Mineral filled PTFE staggered upper UHMW PE lower Mineral filled PTFE UHMW PE staggered upper Mineral filled PTFE
6. e and assemble 8 O ring to groove in 15 inlet body Assemble four 19 ball guides to 22 ball seat Assemble 21 ball and 20 ball stop retaining with two 49 cap screws Assemble 23 O rings to grooves in 22 ball seat and assem ble 22 ball seat into 15 inlet body Assemble 24 plate to 15 inlet body securing with three 62 cap screws NOTE Tighten 62 cap screws to 295 305 ft Ibs 400 0 413 5 Nm Place 26 plunger 6 outlet body and 1 solvent cup upside down in a vise clamping on flats of 26 plunger at solvent cup end NOTE 26 plunger to be vertical Place 27 ball into end of 26 plunger Place 29 gasket on sealing surface above ball guide Apply Loctite 242 to threads of 26 plunger Place 28 ball seat bevel side toward 27 ball into 36 seat body and assemble 36 and components to 26 plunger NOTE Tighten 36 seat body to 100 110 ft Ibs 135 6 149 1 Nm The lip of 72 wiper is to be rolled inward using a flat surfacxe with no sharp edges such as a steel dowel to prevent dam age to wiper plus easier assembly This process may have to be continued on page 4 6737X XXX en PARTS LIST Models 6737X X8X Models 6737X X3X 6737X XEX 6737X X6X 6737X XFX 6737X XCX 6737X XGX 6737X XDX 710 ry ASSEMBLY TORQUE REQUIREMENTS NOTE DO NOT OVERTIGHTEN FASTENERS 12 nut 60 70 ft Ibs 81 3 94 9 Nm 36 seat body 100 110 ft Ibs
7. rome Plated Hardened Stainless Steel UH UHMW PE PSS Hard Chrome Plated Stainless Steel V Viton SH Hardened Stainless Steel LOWER PUMP DISASSEMBLY NOTE All threads are right hand g 10 11 Unscrew and remove three 12 nuts from 10 connecting rods Remove 15 inlet body and components from 9 tube Remove three 62 cap screws releasing 24 plate 22 ball seat and components Remove two 49 cap screws and 20 ball stop releasing 21 ball Pull 9 tube and 26 plunger from 6 outlet body Push 26 and components out lower end of 9 tube Unscrew 36 seat body and remove 29 gasket 27 ball and 28 ball seat NOTE 36 seat body has four 1 4 dia x 3 16 deep holes Use a spanner wrench to loosen Remove 40 retaining ring from 36 seat body Remove 8 O ring from 6 outlet body Unscrew 1 solvent cup from 6 outlet body NOTE 1 solvent cup has six 3 8 dia x 5 16 deep holes Use a rod or spanner wrench to loosen Remove 45 retaining washer releasing 75 packing set or 44 wavy spring washer 53 male packing washer 51 and 52 V packings and 50 washer LOWER PUMP REASSEMBLY NOTE All threads are right hand 1 Models 6737X CXX LXX PXX RXX Assemble 50 washer 52 and 51 V packings 53 male packing washer and 44 wavy spring washer into 1 solvent cup Models 6737X KXX Assemble 75 packing set into 1 solvent
8. stroke only fast downstroke e The 21 lower ball may not be seating in the 22 ball seat see lower pump disassembly Remove the ball from the seat clean and inspect the ball and seat area If the ball or seat is dam aged replace Material on one stroke only fast upstroke e The 27 ball may not be seating in the 28 ball seat see lower pump disassembly Remove 27 ball from 28 ball seat clean and inspect If the 27 ball is damaged replace Check for worn or damaged packings and seals Replace the packings and seals as necessary Material leakage out of the solvent cup or material appears on the pump plunger rod e Relieve the pressure in the pump and tighten the solvent cup until leakage discontinues If this procedure does not aid in stopping the leakage problem the upper packings may be worn see lower pump disassembly Replace the packings as necessary Models 6737X CXX 6737X LXX 6737X PXX 6737X RXX Models 6737X KXX LEY Ingersoll Rand Industrial Technologies ARO Page 4 of 4 see view A see view B Figure 3 e Viton is registered trademark of the DuPont Company e e ARO is a registered trademark of Ingersoll Rand Company e e Loctite and 242 are registered trademarks of Henkel Loctite Corporation PN 97999 1207 6737X XXX en
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