Ingersoll-Rand ARO 6662-C Series, Operator'S Manual, Page: 5 / 8

6662AX-X-C Page 5 of 8
PARTS LIST / 6662AX-X-C FLUID SECTION
1
2
3 4 6
7
PTFE
Santoprene
8
19
21
22
24
25
26
27
28
29
34
36 37
39
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 and 7
(Green)
TAB
VIEW FOR -XX4 (PTFE DIAPHRAGM) CONFIGURATION ONLY
124
33
33
22
19
21
33
35
5
24
15
Figure 2
TORQUE REQUIREMENTS
LUBRICATION / SEALANTS
Apply Key-Lube grease to all “O" rings,
“U" Cups & mating parts
NOTE: DO NOT OVERTIGHTEN FASTENERS
(6) Diaphragm Nut 65 - 70 ft. lbs (88.1 - 94.9 Nm), apply
Loctite 271 to threads.
(25, 26, 27 and 124) Fluid Caps/Manifold bolts 120 - 140 in. lbs.
(13.6 - 15. 8 Nm), apply Loctite Nickel Antiseize to threads.
(38) Bolts 40 - 45 in. lbs (4.5 - 5.1 Nm).
COLOR CODE
DIAPHRAGM BALL
MATERIAL COLOR COLOR
E.P.R. Blue (−) Blue ( )
( )
HYTREL Cream N / A
NEOPRENE Green (−) Green
NITRILE Black Red ( )
POLYURETHANE N / A Red
SANTOPRENE Cream Cream
SANTOPRENE Green N / A
(Backup)
PTFE White White
VITON Yellow (−) Yellow ( )
(−) STRIPE ( ) DOT
Air
Side
Fluid
Side
Fluid
Side
Air
Side
CROSS SECTION VIEW OF DIAPHRAGMS
5
7
2
3
4
1
8
6
Torque Sequence
9 0 1
(White)
7
TAB
38
36 33
77