Ingersoll-Rand ARO PF20 B Series, Operator'S Manual, Page: 5 / 8

PF20X-XXX-XXX-B (en) Page 5 of 8
PARTS LIST / PF20X-XXX-XXX-B FLUID SECTION
1
26
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 and 7
COLOR CODE
DIAPHRAGM FLAP BUMPER
MATERIAL COLOR COLOR COLOR
E.P.R. -- Blue ( ) Blue ( )
NITRILE Black Red ( ) Red ( )
SANTOPRENE Tan -- --
SANTOPRENE Green -- --
(Backup)
PTFE White -- --
URETHANE -- Red --
VITON Yellow (--) Yellow ( ) )
(--) Dash ( )Dot
43
7 5
180 131
175
70 69
Figure 2
26
144 70
6 14 9
144
63
48 47 46
49
51 49
53
15
68
44
44
¡
Cartridge Assembly available.
Includes items 44, 46, 47, 48, 49, 51, 75.
66307-A (PF20X-XXX-SAX-B)
66307-G (PF20X-XXX-SGX-B)
66307-U (PF20X-XXX-SUX-B)
66307-V (PF20X-XXX-SVX-B)
¡
¡
TORQUE REQUIREMENTS
LUBRICATION / SEALANTS
Lubriplate FML-2 is a white food grade petroleum grease.
Apply Lubriplate FML-2 grease to all “O” rings, “U”
Cups and mating parts.
Apply Loctite 242 to threads at assembly.
Apply Loctite 503 pipe sealant.
Apply anti-seize compound to threads when using
stainless steel fasteners and stainless steel wet ends.
75
75
7
(PTFE)
VIEW OF TWO PIECE PTFE DIAPHRAGM
80
8
6
4
1
7
5
3
2
Torque Sequence
27
74
29
8
(Santoprene)
55
60
60
(PF20X-FSX-XXX-B)
61
61
(PF20X-FSX-XXX-B)
26
175
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
(14) Diaphragm screw, apply Loctite #271 to threads, torque to 65
- 70 ft lbs (88.1 - 94.9 Nm).
(26 and 27) Fluid caps / manifold screws and (131) screw, 30 - 40
ft lbs (40.7 - 54.2 Nm).
(44) Screw, 50 - 60 in. lbs (5.6 - 6.8 Nm).
(131) Screw, 35 - 40 ft lbs (47.5 - 54.2 Nm).
181
Yellow (
48
47
46
HYTREL Cream
-- --