Ingersoll-rand 6544X-X User Manual download pdf

OPERATOR’S MANUAL 6544X-X

6546X-X

INGERSOLL RAND COMPANY LTD

P.O. BOX 151



ONE ARO CENTER



BRYAN, OHIO 43506-0151



(800) 276-4658



FAX (800) 266-7016

RELEASED: 2-26-82

REVISED: 11-28-07

(REV. U)

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.

4-1/4” AIR MOTORS

6544X-X (4” STROKE) and 6546X-X (6” STROKE)

Also covers 61268 service kits

INCLUDING: SERVICE KITS, TROUBLESHOOTING, PARTS LIST,

DISASSEMBLY & REASSEMBLY.

Figure 1

SERVICE KITS

Use only genuine ARO® replacement parts to assure com-

patible pressure rating and longest service life.

61268 for general repair of all 4-1/4” air motors.

GENERAL DESCRIPTION

WARNING

DO NOT EXCEED MAXIMUM OPERATING

PRESSURE AS INDICATED ON PUMP MODEL PLATE.

WARNING

REFER TO GENERAL INFORMATION SHEET

FOR ADDITIONAL SAFETY PRECAUTIONS AND IMPOR-

TANT INFORMATION.

This manual only covers the air motor section. It is one of

four documents which support an ARO pump. Replace-

ment copies of these forms are available upon request.



650XXX-X Pump Model Operator’s Manual.



General Information for Air Operated or Hydraulically

Operated Pumps.



Lower Pump End Operator’s Manual.



Air or Hydraulic Motor Operator’s Manual.

The 4-1/4” air motor is a general purpose power unit and

is used with many 2-ball, 4-ball and chop check pumps. It

utilizes tie rod type construction for easy breakdown and

it connects to the various lower ends via tie rods for easy

operation. Consult pump model operator’s manual for

speci c instructions. It is recommended that a mu er be

connected to the exhaust port to reduce noise to accept-

able OSHA standards.

Filtered and oiled air will allow the air motor to operate

more e ciently and yield a longer life to operating parts

and mechanisms. A filter capable of filtering particles

larger than 50 microns should be used with an oiler. Keep

the oiler supplied with a good grade of S.A.E. no. 90W

non-detergent gear oil, set at a rate not to exceed 1 or 2

drops per minute.

NOTICE: Do not operate the air motor above the recom-

mended air pressure of 150 p.s.i. (10.3 bar) or 75 cycles

per minute. The air motor may be rated di erently in the

next assembly. Check the pump model plate.



THIS MANUAL COVERS THE FOLLOWING MODELS

MODEL

65440 65442-B 65444-2-B 65462

65441-B 65444-B 65445-B 65465-B

Also covers obsolete and cancelled models: 61777, 65420-1, 65443-B, 65443-2-B, 65444-1B, 65465-1-B and 65466.

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,

 ush entire pump system with a solvent that is compatible

with the material being pumped.

Keep solvent cup  lled with this compatible solvent. This will

keep material from drying on the piston rod, which would

drag thru 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 mat-

ter during disassembly and reassembly.

Before reassembling, lubricate parts as required. When as-

sembling “O” rings, or parts adjacent to “O” rings, exercise

care to prevent damage to “O” rings and “O” ring groove sur-

face.

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - 6546X-X

OPERATOR’S MANUAL 6544X-X 6546X-XINGERSOLL RAND COMPANY LTDP.O. BOX 151  ONE ARO CENTER  BRYAN, OHIO 43506-0151 (800) 276-4658  FAX (800) 266-70

Page 2 - DISASSEMBLY OF AIR MOTOR

Page 2 of 8 6544X-X (en)DISASSEMBLY OF AIR MOTORNOTE: All threads are right hand.Place motor in up stroke position. This can be accom-plished by push

Page 3 - LUBRICATION / SEALANTS

6544X-X (en) Page 3 of 8123334 353816113132131415161718 19910 12a3639 4142021 2224340567850123334 353816113132131415161718 19910 12a3639

Page 4 - Page 4 of 8 6544X-X (en)

Page 4 of 8 6544X-X (en)PARTS LIST / 6544X-X & 6546X-X¾ AIR MOTOR MODEL NO.61777 65420-1 6544065441-B65442-B65443-B 65443-2B 65444-B65444-1B

Page 5 - 6544X-X (en) Page 5 of 8

6544X-X (en) Page 5 of 8Remove (21) “O” ring from (19) head assembly.Remove four (22) screws from (39) gland, permitting gland to be removed from (19

Page 6 - REASSEMBLY OF AIR MOTOR

Page 6 of 8 6544X-X (en)REASSEMBLY OF AIR MOTORApply grease to all “O” rings, “U” cups and other rubber goods before installing.Clean the threads on

Page 7 - TROUBLE SHOOTING

6544X-X (en) Page 7 of 8Air leakage out of main exhaust.Worn (14) insert. Replace (14) insert.Worn (12) valve plate and pin assembly. Replace (12) va

Page 8 - Figure 11

Page 8 of 8 6544X-X (en)PN 97999-6465440 AND 65462 AIR MOTOR PISTON ROD AND BASEITEM 48 PISTON ROD END VARIETYFigure 1165020 Base and Bearing Assembl

Related models: 6546X-X

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Ingersoll-rand 6544X-X User Manual

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