Ingersoll-Rand 65662, 66620, 65665B, 656652B, 65643 AIR Motor Parts List, Disassembly of AIR Motor

AIR MOTOR PARTS LIST

nPARTS SO MARKED ARE INCLUDED IN 61355 SERVICE KIT.

REF. DESCRIPTION (SIZE IN INCHES) QTY PART NO. REF. DESCRIPTION (SIZE IN INCHES) QTY PART NO.

V 1	Machine Screw (#8 ￿ 32 x 7/8")	4	Y136￿90￿S
V 2	Deflector	1	90409
	Deflector (model 65665￿2B)	1	90409￿1
V 3	Screw (#10 ￿ 24 x 1/2")	6	95956827
n V 4	Machine Screw (#8 ￿ 32 x 3/4")	8	Y19￿89￿S
n 5	Washer	8	90084
V 6	Machine Screw (1/4" ￿ 28 x 3/4")	2	Y119￿49￿C
7	Lock Washer (1/4" i.d.)	2	Y14￿416
V 8	Air Motor Cap	1	90078
	Air Motor Cap (model 65665￿2B)	1	90078￿5
V 9	Valve Guide	1	90488
n 10	Gasket	1	90083￿1
V 11	Valve Plate and Pin Assembly	1	65756
V 12	Insert Spring Assembly	1	65807
n 13	Valve Insert	1	99202
n 14	Valve Plate Gasket	1	90479
n 15	•O" Ring (1/16" x 1￿3/8" o.d.)	2	Y325￿26
n 16	Washer	1	91344
n 17	•O" Ring (1/16" x 7/8" o.d.)	2	Y325￿18
18	Head Assembly	1	65890
	Head Assembly (model 65665￿2B)	1	65890￿3
n 19	•U" Cup (3/16" x 1￿3/8" o.d.)	1	Y186￿51
n 20	•O" Ring (1/8" x 6" o.d.)	2	Y325￿256
n 21	Machine Screw (#8 ￿ 32 x 3/8")	4	Y136￿85￿S
22	Adapter	1	90111
V 23	Piston Assembly	1	61419
V 24	•O" Ring (1.191" o.d.)	1	90085
25	Nut	1	90112

V 26	Valve Rod		See chart, page 4
V 27	Air Cylinder		See chart, page 4
28	Tube		See chart, page 4
n 29	•O" Ring		See chart, page 4
30	Air Motor Base Assembly		See chart, page 4
n 31	Valve Piston	1	92395
n 32	Valve Plate Gasket	1	90482
V 33	Valve Plate	1	90480
n 34	Pilot Insert	1	90487
V 35	Valve Guide	2	90481
n 36	Washer	1	90105
V 37	Upper Gland	1	91006
n 38	Seal	1	91007
n 39	•O" Ring (.103" x 1.255" o.d.)	1	91207
V 40	Extension Rod	1	90080
41	Ground Lug	1	93006
n 42	Piston Adapter	1	92393
V 43	Lower Gland	1	90114
n 44	Washer	1	91345
n 45	•O" Ring (1/16" x 7/16" o.d.)	1	Y325￿11
46	Bolt		See chart, page 4
V 47	Retaining Ring		See chart, page 4
V 48	Guide Washer		See chart, page 4
n 49	•U" Cup		See chart, page 4
50	Nut		See chart, page 4
V 51	Washer		See chart, page 4
V 52	Piston Rod		See chart, page 4

V•Smart Parts", Keep these items on hand in addition to the service kits for fast repair and reduction of downtime.

DISASSEMBLY OF AIR MOTOR

NOTE: ALL THREADS ARE RIGHT HAND.

1.Force the (23) piston assembly up by pushing the (52) piston rod to￿ ward the top of the air motor.

2.Remove the four (1) machine screws from the (2) deflector.

3.Remove the (2) deflector.

4.Remove the six (3) screws from the (8) air motor cap.

5.Remove the (8) air motor cap and (10) gasket.

6.Loosen the eight (4) machine screws (which hold the (11) valve plate and pin assembly, (9) valve guide, two (35) valve guides and the (33) valve plate) until the (9 and 35) valve guides can be removed by pull￿ ing upward (see figure 9).

7.Remove the eight (4) machine screws and eight (5) washers from the 6" air motor by pressing outward with a small allen wrench (see figures 1 and 9).

8.With a screwdriver, unhook the (12) insert spring assembly from the bottom of the (11) valve plate and pin assembly.

9.Remove the (12) insert spring assembly from the pins in the top of the (11) valve plate and pin assembly.

10.Remove the (11) valve plate and pin assembly and (33) valve plate by pulling upward. If they are stuck, tap the top edge lightly with a soft face hammer or screwdriver handle (do not tap with anything metal￿ lic).

11.Remove the (13) valve insert and the (34) pilot insert.

12.Remove the (32 and 14) gaskets.

13.Remove the (12) insert spring assembly.

14.Remove the two (6) machine screws and the two (7) lock washers from the (37) upper gland (see figure 9).

15.Pull the (31) valve piston upward until the (37) upper gland has pulled out of its chamber.

ALLEN WRENCH

(USE AN ALLEN WRENCH TO PUSH OUT SCREWS & WASHERS AS SHOWN.)

4 SCREWS (8)

5 WASHERS (8)

(THE REMAINING FOUR WASHERS AND SCREWS ARE ON THE OPPOSITE SIDE.)

FIGURE 1

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