PD20X-XXX-XXX-B (en)
Page 7 of 8
PARTS LIST / PX20X-XXX-XXX-B( ) AIR MOTOR SECTION
Figure 3
A replacement major valve service assembly is available separately, which includes the following:
637374-2 for models PD20A-XXX-XXX-B: 105 (4), 111, 128 (2), 132, 133 (3), 134 (4), 135, 136, 137, 138, 139, 140, 141, 166, 176 (2), 199, 200, 233, 240 (2),
241, 242, 243 and 244.
637374-3 for models PE20A-XXX-XXX-B: 76, 105 (4), 111, 128 (2), 132, 133 (3), 134 (4), 135, 136, 137, 138, 139, 140, 141, 166, 176 (2), 199, 200, 233, 240 (2),
241, 242, 243 and 244.
637374-4 for models PD20S-XXX-XXX-B: 105 (4), 111, 128 (2), 132, 133 (3), 134 (4), 135, 136, 137, 138, 139, 140, 141, 146, 147, 176 (2), 199, 200, 233, 240 (2),
241, 242, 243 and 244.
637374-5 for models PE20S-XXX-XXX-B: 76, 105 (4), 111, 128 (2), 132, 133 (3), 134 (4), 135, 136, 137, 138, 139, 140, 141, 146, 147, 176 (2), 199, 200, 233, 240
(2), 241, 242, 243 and 244.
)
ASSEMBLY TORQUE REQUIREMENTS
(
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
(105) Screw, 40 - 50 in. lbs (4.5 - 5.6 Nm).
(134) Screw, 40 - 50 in. lbs (4.5 - 5.6 Nm).
(240) Screw, 40 - 50 in. lbs (4.5 - 5.6 Nm).
141
241
128
240
176
244
243
199
132
166
140
233
242
128
105
138
111
139
43
137
136
135
133
134
118
174
173
121
103
101
172
171
170
168
169
118
174
121
173
167
200
Optional 94117 Muffler
201
127
k
Substitute these “O“ rings for
(166) gasket on models PX20S-
XXX-XXX-B( ).
147
146
PILOT VALVE
PART GROUP
MAJOR VALVE
LUBRICATION / SEALANTS
c
Apply Lubriplate FML-2 grease to all “O” rings, “U” cups and mat-
ing 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 fas-
teners.
