Ingersoll-Rand ARO 637140-4B, Operator'S Manual, Page: 5 / 12

670093 (en) Page 5 of 12
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 and 7
COLOR CODE
Diaphragm Ball
Material Color Color
Acetal N/A Orange
Nitrile Red (−) Red ( )
E.P.R. Blue (−) Blue ( )
Hytrel Cream N/A
Neoprene Green (−) Green ( )
Santoprene Tan Tan
PTFE White White
Polyurethane Clear Red
Viton Yellow (−) Yellow ( )
(−) Stripe ( ) Dot
TORQUE REQUIREMENTS
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(6) Diaphragm nut, 95 - 105 in. lbs (10.7 - 11.9 Nm).
(62) Fluid cap / manifold nuts, 50 - 60 in. lbs (5.6 - 6.8 Nm), / alternately
and evenly, then re-torque after initial run-in.
(39) Nuts, 20 - 25 in. lbs (2.3 - 2.8 Nm) then re-torque.
Apply Lubriplate (94276) to all “O" rings, ”U" cups and mating parts.
LUBRICATION / SEALANTS
21
15
Inlet
62
20
22
41
19
41
21
19
22
26
26
35
36
33
6
124
5
7
1
2
34
62
38
37
39
33
36
Outlet
29 (Apply Loclite 242)
(Apply
Loclite 242)
PARTS LIST / 670093 and 670109 - FLUID SECTION
Figure 2