ARO 670077 Посібник оператора - Сторінка 7

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Pilot Valve Parts
144
123
103L
173
174
107
137
166
135
134
138
139
137
Major Valve
Assemble new (138 and 139) "U" cups on (111) spool -
1.
LIPS MUST FACE EACH OTHER.
Assemble (137) "O" rings to (136) large plug.
2.
Assemble (137 and 166) "O" rings to (107) small plug.
3.
Insert (111) spool into (136) large plug, then insert (136)
4.
large plug into (135) valve block, being sure the (111)
spool is rotated to accept (140) valve insert.
Assemble (107) small plug into (135) valve block.
5.
670077 (en)
PARTS LIST / 670077 AIR MOTOR SECTION
118
169
168
171
121
167
170
140
132
200
141
111
136
Figure 4

MAJOR VALVE REASSEMBLY

101
118 121 174
126
ASSEMBLY TORQUE REQUIREMENTS
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(123) screw, 4 - 6 in. lbs (0.45 - 0.68 Nm).
(134) bolt, 15 - 20 in. lbs (1.7 - 2.3 Nm), wait 10 minutes, then re-
torque to 15 - 20 in. lbs (0.45 - 0.68 Nm).
LUBRICATION / SEALANTS
Apply Lubriplate FML-2 grease to all "O" rings, "U" cups and
mating parts.
Assemble (140) valve insert and (141) valve plate to (135)
6.
valve block. NOTE: Assemble (140) valve insert with
"dished" side toward (141) valve plate. Assemble (141)
valve plate with identification dot toward (132) gasket.
Assemble (132 and 200) gaskets, (135) valve block and
7.
(129) muffler assembly to (101) center body, securing with
(134) bolts. NOTE: Tighten (134) bolts to 15 - 20 in. lbs (1.7
- 2.3 Nm).
129
144
103R
123
173
Pilot Valve Parts
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