Page 7 of 8
PM20X-X-X-B02
PARTS LIST / PM20X-X-X-B02 AIR SECTION
168
k
105
,
.
TORQUE REQUIREMENTS
,
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
Torque (105) Screw to 40 - 50 in. lbs (4.5 - 5.6 Nm).
Torque (134) Screw to 40 - 50 in. lbs (4.5 - 5.6 Nm).
Torque (240) Screw to 40 - 50 in. lbs (4.5 - 5.6 Nm).
LUBRICATION / SEALANTS
k
Apply Lubriplate FML-2 grease to “O” rings, “U” Cups
& mating parts.
=
Apply Loctite 271 to threads at assembly.
136
137
k
139
k
111
138
k
135
133
.
134
101
103
174
k
121
118
173
k
169
k
172
k
171
k
170
167
k
173
121
k
174
118
166
z
k
132
k
243
k
244
k
199
k
141
k
140
240
,
200
k
241
k
128
=
176
k
PILOT VALVE
PART GROUP
MAJOR
VALVE
A replacement Major Valve Service Assembly is available separately, which includes the following:
637374-2 for models PM20A-X: 105 (4), 111, 128 (2), 132, 135, 136, 137, 138, 139, 140, 141, 166, 176 (2), 199, 200, 233, 240 (2), 241, 242, 243 and 244.
637374-4 for models PM20S-X: 105 (4), 111, 128 (2), 132, 135, 136, 137, 138, 139, 140, 141, 146, 147, 176 (2), 199, 200, 233, 240 (2), 241, 242, 243 and 244.
Figure 3
Optional 94117 Muffler
128
=
233
242
147
k
146
k
z
Substitute these “O” rings for
“166” gasket on models
PM20S-CSS-XXX-B02.
MATERIAL CODE
[A] = Aluminum
[B] = Nitrile
[Br] = Brass
[C] = Carbon Steel
[Ck] = Ceramic
[D] = Acetal
[I] = Iron
[SP] = Santoprene
[SS] = Stainless Steel
[U] = Polyurethane