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PD20X-XXX-XXX-B (en) Page 5 of 8
60 (PX20X-AXX-XXX-B
PX20X-BXX-XXX-B)
63
26
60 (PX20X-FXX-XXX-B)
27
15
22
22
21
19
21
19
18168
175
76
70
51 67
9180 131
144
69
61 (PX20X-AXX-XXX-B
PX20X-BXX-XXX-B)
26
61 (PX20X-FXX-XXX-B)
29
126
175
70
144
14
)
ASSEMBLY TORQUE REQUIREMENTS
(
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
(14) Diaphragm screw, 65 - 70 ft lbs (88.1 - 94.9 Nm).
(26) Screw, 30 - 40 ft lbs (40.7 - 54.2 Nm).
(27) Screw, 30 - 40 ft lbs (40.7 - 54.2 Nm).
(131) Screw, 35 - 40 ft lbs (47.5 - 54.2 Nm).
LUBRICATION / SEALANTS
c
Apply Lubriplate FML-2 grease to all “O” rings, “U” cups and mating parts.
d
Apply Loctite® 271™ to threads.
e
Apply anti-seize compound to threads and bolt and nut flange heads
which contact pump case when using stainless steel fasteners.
f
Apply Loctite 262™ to threads at assembly.
g
Apply PTFE tape to threads.
h
Apply Loctite 572™ to threads.
i
Not used with PX20X-XXX-AXX-B, -CXX and -GXX.
j
Not used with PX20X-XXX-XXX-B0L.
Note: Lubriplate FML-2 is a white food grade petroleum grease.
PARTS LIST / PX20X-XXX-XXX-B( ) FLUID SECTION
FOR THE AIR MO-
TOR SECTION, SEE
PAGES 6 & 7.
Torque Sequence
3
2
7
5
1
8
6
4
Figure 2
View for PX20X-XXX-XXT-B (PTFE diaphragm) con-
guration only.
(Santoprene) 8
(PTFE) 7
COLOR CODE
Diaphragm Ball
Material Color Color
Hytrel Cream Cream
Nitrile Black Red (•)
Santoprene Tan Tan
Santoprene Green N / A
(backup)
PTFE White White
Viton Yellow (-) Yellow (•)
(-) Stripe (•) Dot