Pilot valve part group major valve – Ingersoll-Rand PM20X-X-X-B02 User Manual

Page 7

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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

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