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Page 5 of 8PD20R-X
PARTS LIST / PD20X-X-X FLUID SECTION
COLOR CODE
1 k
15
26 ,G
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
181
60
(PD20X-AXX-XXX)
(PD20X-B
XX-XXX)
Santoprene 8
7
PTFE
21
19
z
180 131 ,x
175 k70 k
69
61 (PD20X-FXX-XXX)
Figure 2
VIEW OF TWO PIECE PTFE DIAPHRAGM
27 ,G
144 k
22
70 k
614,
144 k
63 s
. TORQUE REQUIREMENTS ,
LUBRICATION / SEALANTS
k Apply Lubriplate FML-2 grease to all “O” rings,
“U” Cups & mating parts.
x Apply Loctite 242 to threads at assembly.
s Apply PTFE tape to threads at assembly.
DIAPHRAGM BALL
MATERIAL COLOR COLOR
Hytrel Cream Cream
Nitrile Black Red (S)
Santoprene Tan Tan
Santoprene Green N /A
(Backup)
PTFE White White
Viton Yellow (-) Yellow (S)
(-)Dash (S)Dot
8
6
4
1
2
3
5
7
Torque Sequence
126 s
29
22
21
19 z
60 (PD20X-FXX-XXX)
(14) Diaphragm screw, apply Loctite #271 to threads,
65 - 70 ft lbs (88.1 - 94.9 Nm).
(26 and 27) Fluid caps / manifold screws 30 - 40 ft lbs
(40.7 - 54.2 Nm).
(131) Screw 35 - 40 ft lbs (47.5 - 54.2 Nm).
G Apply anti -seize compound to threads when using
stainlesssteel fasteners andstainless steel wetends.
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
61 (PD20X-AXX-XXX)
(PD20X-B
XX-XXX)
26 ,G
175 k 5 7 9
68
z Not used with PD20X-XXX-AXX, -CXX & -GXX.
Z Lubriplate FML-2 is a white food grade petroleum grease.