666250-XXX-C (en) Page 7 of 8
105
107
117
197
102
103
104
121
119
123

118
122
120
101
197
104
121

123
43
198
107
105
108
109
110
128
115
114
113
112
116
114
111
106
126
201
127
106
PARTS LIST / 6662XX-XXX-C AIR MOTOR SECTION

Figure 3

PILOT VALVE

) ASSEMBLY TORQUE REQUIREMENTS (

NOTE: DO NOT OVERTIGHTEN FASTENERS.
(105) screw, 40 - 50 in. lbs (4.5 - 5.6 Nm).
(123) screw, 20 - 25 in. lbs (2.3 - 2.8 Nm).

LUBRICATION / SEALANTS

c
Apply Key-Lube grease to all “O” rings, “U” cups and mating
parts.
d
Apply Loctite 271 to threads.
f
Apply Loctite 262™ to threads.
g
Apply Loctite 572™ to threads.

MAJOR VALVE

See cross section detail,  gure 4.
LEGS
IMPORTANT
BE CERTAIN TO ORIENT (115)
SPACER LEGS AWAY FROM BLOCK-
ING INTERNAL PORTS WHEN
REASSEMBLING AIR SECTION.

116

110

109 112 114

111 115 113

MAJOR VALVE CROSS SECTION DETAIL

Figure 4