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Page 5 of 8PF20R-X-B
PARTS LIST / PF20X-X-X-B FLUID SECTION
1 k
26 ,G
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
COLOR CODE
DIAPHRAGM FLAP BUMPER
MATERIAL COLOR COLOR COLOR
E.P.R. -- Blue (S)Blue(S)
Nitrile Black Red (S)Red(S)
Santoprene Tan -- --
Santoprene Green -- --
(Backup)
PTFE White -- --
Urethane -- Red --
Viton Yellow (--) Yellow (S) Yellow (S)
(--)Dash (S)Dot
75
180 131 ,
x
175 k
70 k
69
Figure 2
26 ,G
144 k 70 k
614,9
144 k
63
484746
48 47 46
49
51
49
53
15
68
44 ,G
G.44
¡ Cartridge Assembly available.
Includes items 44, 46, 47, 48, 49, 51, 75.
66307-A (PF20X-XXX-SA
X-B)
66307-G (PF20X-XXX-SG
X-B)
66307-U (PF20X-XXX-SU
X-B)
66307-V (PF20X-XXX-SV
X-B)
¡
¡
. TORQUE REQUIREMENTS ,
LUBRICATION / SEALANTS
Z Lubriplate FML-2 is a white food grade petroleum grease.
k Apply Lubriplate FML-2 grease to all “O” rings, “U” Cups & mating parts.
x Apply Loctite 242 to threads at assembly.
u Apply Loctite 503 pipe sealant.
75
75
7 PTFE
VIEW OF TWO PIECE PTFE DIAPHRAGM
80 u
8
6
4
1
7
5
3
2
Torque Sequence
G.27
126
29
8 SANTOPRENE
5560
61
26 ,G
55
175 k
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 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).
G Apply anti-seizecompound to threadswhen usingstainless steel fasteners
and stainless steel wet ends.
181