ARO 66605 series Panduan Operator - Halaman 7

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Halaman Cetak
ARO 66605 series Panduan Operator
.
TORQUE REQUIREMENTS
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(134) Torque to 15 20 in. lbs (1.7 2.3 Nm), wait 10 minutes, then
re torque to 15 20 in. lbs (1.7 2.3 Nm).
133
MAJOR VALVE
(see note 3, page 6)
135
. 134
111
136
AIR MOTOR SECTION SERVICE
Service is divided into two parts - 1. Pilot Valve, 2. Major Valve.
S
Air Motor Section Service is continued from Fluid Section repair.
PILOT VALVE DISASSEMBLY
1. Remove (122) and (104) snap rings.
2. Remove (143) plates.
3. Remove (103) sleeve and (102) O" rings.
4. Remove (118) piston, (142) washers, (119) O" rings and (120)
spacers from (101) center body.
PILOT VALVE REASSEMBLY
1. Assemble (119) O" rings, (120) spacers and (142) washers on
(118) pilot rod.
2. Insert the stack into the (101) body. Sleeve (103) may be used to
assist pressing stack into body.
3. Install (103) sleeve and (102) O" rings into (101) body.
4. Install (143) plates and (122) and (104) snap rings.
66605X X
PARTS LIST / 66605X-X AIR MOTOR SECTION
,
131
140
141
132
138
139
137
FIGURE 2
(OPTION) 129
(see note 2, page 6)
101
103
102
118
142
119
120
119
120
MAJOR VALVE DISASSEMBLY
1. Remove (129) exhaust cover and (130) gasket.
2. Pull (135) valve block assembly from (101) body.
3. Remove (134) bolts, (133) washers and (132) gasket from (135)
valve block.
4. Remove (141) valve plate and (140) valve insert.
5. Remove (136) plug and (111) spool.
MAJOR VALVE REASSEMBLY
1. Install new (139) and (138) U" cups on (111) spool - LIPS MUST
FACE EACH OTHER.
2. Insert (111) spool into (135) valve block.
3. Install (137) O" ring on (136) plug, insert plug into (135) valve block.
4. Install (140) valve insert and (141) valve plate into (135) valve
block. Note: After 9/92, parts (140, 141) are white (ceramic), the
dished side of the (140) valve insert should be against the shiny
face of (141) valve plate for best performance.
5. Replace (132) gasket and install valve block assembly on (101)
body.
201 (OPTION)
(see note 2, page 6)
130
129
143
104
PILOT VALVE
119
120
119
142
122
PAGE 7 OF 8