Page 7 of 8PM20X-X-X-B02
PARTS LIST / PM20X-X-X -B02 AIR SECTION
168k
105,
.TORQUEREQUIREMENTS ,
NOTE:DO NOT OVERTIGHTEN FASTENERS.
ALLFASTENERS 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
kApplyLubriplate FML-2 grease to “O” rings, “U” Cups
&mating parts.
=ApplyLoctite 271 to threads at assembly.
136
137k
139k
111
138k
135
133
.134
101
103
174k
121
118
173k
169k172 k
171k
170
167
k173
121
k174
118
166zk
132k
243k244k
199k
141k
140
240,200k241 k128 =176 k
PILOT VALVEPARTGROUPMAJORVALVE
Areplacement Major Valve Service Assembly is available separately,which includes the following:
637374-2for 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.
637374-4for 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.
Figure3
Optional94117 Muffler
128=
233
242
147k
146k
zSubstitutethese “O” rings for
“166” gasket on models
PM20S-CSS-XXX-B02.
MATERIALCODE
[A]= Aluminum
[B]= Nitrile
[Br]= Brass
[C]= CarbonSteel
[Ck]= Ceramic
[D]= Acetal
[I]= Iron
[SP]= Santoprene
[SS]= Stainless Steel
[U]= Polyurethane