ARO PE20 series Manuale dell'operatore - Pagina 8
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PARTS LIST / PX20X-XXX-XXX-BXXX AIR MOTOR SECTION
Substitute these "O" rings for
(166) gasket on models PX20S-
XXX-XXX-B( ).
76
(PE20A-XXX-XXX-BSXX)
(PE20S-XXX-XXX-BSXX)
135
133
134
138
111
139
242
137
128
136
105
Page 8 of 12
PILOT VALVE
174
147
121
118
146
173
166
233
244
243
200
128
241
199
141
140
43
MAJOR VALVE
A replacement Major Valve Service Assembly is available separately, which includes the following:
637374-2 for models PD20A-XXX-XXX-BXXX: 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-BXXX: 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-BXXX: 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-BXXX: 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.
168
169
172
171
167
170
176
132
240
127
ASSEMBLY TORQUE REQUIREMENTS
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(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).
LUBRICATION / SEALANTS
Apply Lubriplate FML-2 grease to all "O" rings, "U" cups and
mating parts.
Apply Loctite 271 to threads.
Apply anti-seize compound to threads and bolt and nut ange
heads which contact pump case when using stainless steel fasteners.
Apply PTFE tape to threads.
Figure 3
PILOT VALVE
101
173
118
121
174
103
Optional 94117 Mu er
PX20X-XXX-XXX-BXXX (en)
201