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OPERATOR’S MANUAL 

66651-B

INCLUDING: OPERATION, INSTALLATION & MAINTENANCE

RELEASED: 1-21-00
REVISED: 8-1-11
(REV. F)

66651-B AIR MOTOR

 

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.

INGERSOLL RAND COMPANY LTD

209 NORTH MAIN STREET – BRYAN, OHIO 43506

 (800) 495-0276 

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 FAX (800) 892-6276 

© 2011 

CCN 99834889

www.ingersollrandproducts.com

10” AIR MOTOR
6” STROKE

SERVICE KITS

Use only genuine ARO® replacement parts to assure 
compatible pressure rating and longest service life.
637110 service kit includes the necessary soft parts for 
normal service of the entire air motor.
637111 service kit is a replacement valve kit.

GENERAL DESCRIPTION

The 10” air motor is a power unit used with a two-ball or 
chop-check pump. It utilizes tie rod construction for easy 
breakdown and it connects to the lower pump end with tie 
rods for easy operation. Consult the pump model operator’s 
manual for specifi c instructions.

OPERATING AND SAFETY PRECAUTIONS

DO NOT EXCEED MAXIMUM AIR INLET PRESSURE OF 90 
P.S.I. (6.2 bar) OR 75 CYCLES PER MINUTE.

CAUTION: High pressure equipment - Always disconnect air 
supply and relieve material pressure before attempting to 
service.

A ground lug is located on the air motor. This ground lug al-
lows proper grounding of the pump.

AIR AND LUBE REQUIREMENTS

A filter capable of filtering particles larger than 50 microns 
should be used with a lubricator.
Filtered and oiled air will allow the pump to operate more ef-
fi ciently and yield a longer life to operating parts and mecha-
nisms.
Use an air line lubricator and keep it supplied with a good 
grade of S.A.E. #90W non-detergent gear oil set at a rate not 
to exceed approximately 1 drop per minute.

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Figure 1

Содержание 66651-B

Страница 1: ...ower unit used with a two ball or chop check pump It utilizes tie rod construction for easy breakdown and it connects to the lower pump end with tie rods for easy operation Consult the pump model operator s manual for specific instructions OPERATING AND SAFETY PRECAUTIONS DO NOT EXCEED MAXIMUM AIR INLET PRESSURE OF 90 P S I 6 2 bar OR 75 CYCLES PER MINUTE CAUTION High pressure equipment Always dis...

Страница 2: ...OF OPERATION SPOOL SPOOL AIR MOTOR FUNCTION DURING UPSTROKE AIR MOTOR FUNCTION DURING DOWNSTROKE EXHAUSTED AIR EXHAUSTED AIR CONSTANT AIR PRESSURE CONSTANT AIR PRESSURE Pilot down Pilot up exhaust Air Pressure Exhausted Air Figure 2 ...

Страница 3: ... squarely against the shoulder in the 30 block manifold 28 29 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR MOTOR DISASSEMBLY NOTE All threads are right hand Place the air motor in an up stroke position by pushing 43 piston assembly toward the top of the motor Remove six 26 cap screws from the top of 27 and 30 blocks Remove 27 and 30 blocks from 22 head plate Remove 34 tube from 46 base a...

Страница 4: ...rvice Kit entire valve section 637111 Items not included with 66651 B air motor Assemble one 15 O ring and the 16 washer into the 30 block manifold and against the 13 gland see figure 5 Assemble four 15 O rings four 18 O rings four 17 spacers and four 19 washers into the 30 block mani fold see figure 5 NOTE Assemble the 19 washers with the i d lips toward the 18 O ring Position the 17 spacers so t...

Страница 5: ...1 to threads when assembling e Lubricate 43 41 i d of 37 and all upper valve parts with Gadus S2 U1000 grease PARTS LIST 48 39 33 45 42 34 41 22 36 5 37 46 33 36 46b 46a 49 44 47 50 43 40 25 26 27 1 2a 2b 6 24 2 3 4 7 15 18 19 20 31b 31a 13 35 33 38 26 30 14 16 17 15 51 32 29 28 8 9 11 12 10 52 31 Figure 3 ...

Страница 6: ...gs on spool Check for worn or damaged 14 U cup packing Check for worn or damaged 20 spool Check for worn or damaged 50 O ring on 43 piston assembly Air leakage around 43 piston assembly Check for worn or damaged 12 U cup packing Fluid leakage out of the pilot exhaust hole Check for worn or damaged 3 O ring Check for worn or damaged inside diameter of 6 cylin der Check for worn or damaged 1 O ring ...

Страница 7: ...66651 B en Page 7 of 8 Figure 5 CROSS SECTION ...

Страница 8: ...nto the air motor secondary ex haust port Slide the sleeve and nut onto the 2 tube and insert the tube into the 1 elbow Locate the 3 muffler on the collar of the air motor while aligning the 2 tube with the hole provided in the muf fler Secure the muffler to the air motor collar with four 4 cap screws Secure all connections 1 2 3 4 5 6 7 66718 PARTS LIST Item Description size Qty Part No 1 90 EMT ...

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