Ingersoll-Rand 65665B, 65666, 66620, 656652B, 65662 User Manual
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OPERATOR’S MANUAL
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
6564X-X
6566X-X
6” AIR MOTORS
6564X-X and 66620
4” STROKE
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
THIS MANUAL COVERS THE FOLLOWING MODELS
65643 65662 65665Ć2B 66620
65645 65665ĆB 65666
SERVICE KITS
61355 for general repair of all 6" air motors.
GENERAL DESCRIPTION
The 6" air motor is a general purpose power unit and is used with many
2Ćball, 4Ćball 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 specific
instructions. It is recommended that a muffler be connected to the exĆ
haust port to reduce noise to acceptable OSHA standards.
MODEL
6566X-X
6” STROKE
66620
RELEASED: 8-28-91
REVISED: 10-11-01
(REV. K)
Filtered and oiled air will allow the air motor to operate more efficiently
and yield a longer life to operating parts and mechanisms. A filter capaĆ
ble 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 nonĆ
detergent gear oil, set at a rate not to exceed 1 or 2 drops per minute.
NOTICE
DO NOT OPERATE AIR MOTOR ABOVE RECOMMENDED
AIR PRESSURE OF 150 P.S.I. (10.3 BAR) OR 75 CYCLES PER
MINUTE.
Check model plate.
Air motor may be rated differently in the next assembly.
INGERSOLL-RAND COMPANY
P.O. BOX 151 ONE ARO CENTER BRYAN, OHIO 43506Ć0151
(419) 636-4242 FAX (419) 633-1674
2001 PRINTED IN U.S.A.
AIR MOTOR PARTS LIST
PARTS SO MARKED ARE INCLUDED IN 61355 SERVICE KIT.
REF. DESCRIPTION (SIZE IN INCHES) QTY PART NO. REF. DESCRIPTION (SIZE IN INCHES) QTY PART NO.
1 Machine Screw (#8 Ć 32 x 7/8") 4 Y136Ć90ĆS
2 Deflector 1 90409
Deflector (model 65665Ć2B) 1 90409Ć1
3 Screw (#10 Ć 24 x 1/2") 6 95956827
4 Machine Screw (#8 Ć 32 x 3/4") 8 Y19Ć89ĆS
5 Washer 8 90084
6 Machine Screw (1/4" Ć 28 x 3/4") 2 Y119Ć49ĆC
7 Lock Washer (1/4" i.d.) 2 Y14Ć416
8 Air Motor Cap 1 90078
Air Motor Cap (model 65665Ć2B) 1 90078Ć5
9 Valve Guide 1 90488
10 Gasket 1 90083Ć1
11 Valve Plate and Pin Assembly 1 65756
12 Insert Spring Assembly 1 65807
13 Valve Insert 1 99202
14 Valve Plate Gasket 1 90479
15 O" Ring (1/16" x 1Ć3/8" o.d.) 2 Y325Ć26
16 Washer 1 91344
17 O" Ring (1/16" x 7/8" o.d.) 2 Y325Ć18
18 Head Assembly 1 65890
Head Assembly (model 65665Ć2B) 1 65890Ć3
19 U" Cup (3/16" x 1Ć3/8" o.d.) 1 Y186Ć51
20 O" Ring (1/8" x 6" o.d.) 2 Y325Ć256
21 Machine Screw (#8 Ć 32 x 3/8") 4 Y136Ć85ĆS
22 Adapter 1 90111
23 Piston Assembly 1 61419
24 O" Ring (1.191" o.d.) 1 90085
25 Nut 1 90112
26 Valve Rod See chart, page 4
27 Air Cylinder See chart, page 4
28 Tube See chart, page 4
29 O" Ring See chart, page 4
30 Air Motor Base Assembly See chart, page 4
31 Valve Piston 1 92395
32 Valve Plate Gasket 1 90482
33 Valve Plate 1 90480
34 Pilot Insert 1 90487
35 Valve Guide 2 90481
36 Washer 1 90105
37 Upper Gland 1 91006
38 Seal 1 91007
39 O" Ring (.103" x 1.255" o.d.) 1 91207
40 Extension Rod 1 90080
41 Ground Lug 1 93006
42 Piston Adapter 1 92393
43 Lower Gland 1 90114
44 Washer 1 91345
45 O" Ring (1/16" x 7/16" o.d.) 1 Y325Ć11
46 Bolt See chart, page 4
47 Retaining Ring See chart, page 4
48 Guide Washer See chart, page 4
49 U" Cup See chart, page 4
50 Nut See chart, page 4
51 Washer See chart, page 4
52 Piston Rod See chart, page 4
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 toĆ
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 pullĆ
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.)
ing upward (see figure 9).
7. Remove the eight (4) machine screws and eight (5) washers from
4 SCREWS (8)
the 6" air motor by pressing outward with a small allen wrench (see
figures 1 and 9).
5 WASHERS (8)
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
FIGURE 1
(THE REMAINING FOUR
WASHERS AND SCREWS
ARE ON THE OPPOSITE
SIDE.)
face hammer or screwdriver handle (do not tap with anything metalĆ
lic).
PAGE 2 OF 8 6564XĆX
41
6
PART NUMBERS LISTED BELOW AND ON PARTS
7
1
AIR MOTOR HEAD
LIST (OPPOSITE PAGE) ARE TYPICAL.
4
3
5
31
32
33
34
35
36
37
39
38
42
40
44
43
45
2
9
8
10
11
12
13
14
15
16
18
17
19
20
21
23
22
NOTE: LUBRICATE WITH PARKER
‘‘O” RING LUBE (ARO P/N 36460).
31
42
24
25
FIGURE 2
FIGURE 3
PAGE 3 OF 86564XĆX
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