Ingersoll-Rand ARO PP20A Series, Operator'S Manual

Page: 9 / 12

PP20A-XXX-XXX (en) Page 9 of 12
166 240 233 244 140 199
103
168 169 118
172
171
170
121
174
173
167
173
121
118
174
243
255
231
101
201
137
139
111
242
128
138
136
105
231 255 132 176 141 200 241 128
133
135
134
MAJOR VALVE
PILOT VALVE PART GROUP
126
PARTS LIST / PP20A-XXX-XXX AIR MOTOR SECTION
 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).
LUBRICATION / SEALANTS
 Apply Lubriplate FML-2 grease to all “O” rings, “U” cups and mating parts.
 Apply Loctite 271 to threads at assembly.
A replacement major valve service assembly is available separately, which includes the following:
637374-7 for models PP20A-XXX-XXX: 105(4), 111, 128 (2), 132, 133 (4), 134 (4), 135, 136, 137, 138, 139, 140, 141, 166, 176 (2), 199, 200,
231 (2), 233, 240 (2), 241, 242, 243, 244, 255 (2), and 259 (2).