Ingersoll-Rand ARO 6661A C Series, Operator'S Manual, Page: 7 / 8

PAGE 7 OF 8 6661AX-X-C
PARTS LIST / 6661AX-X-C AIR SECTION
MAJOR VALVE
See cross section detail Figure 5.
PILOT VALVE
101
118
k
111
112
k
113
k
114
115
116
117
119
k
102
k
103
k
104
123 z 121
122
k
120
107
108
109
110
k
.
105
IMPORTANT
BE CERTAIN TO ORIENT (115) SPACER LEGS
AWAY FROM BLOCKING INTERNAL PORTS
WHEN REASSEMBLING AIR SECTION.
MAJOR VALVE CROSS SECTION DETAIL
201
109 110
k
112 114
k
113
k
115
111
k
116
124
.
TORQUE REQUIREMENTS
,
NOTE: DO NOT OVERTIGHTEN FASTENERS
(105) 40 - 50 in. lbs (4.5 - 5.6 Nm).
LUBRICATION / SEALANTS
k
Apply Key-Lube to all “O” rings, “U” Cups & mating parts.
z
Apply Loctite 271 to threads.
g
Apply Dri-Loc 204 to threads.
102
k
128
104
121
z
123
107
105
,
106
106
g 195
195
g
Figure 4
Figure 5