Nordson 1604629, Operator'S Manual

Page: 7 / 12

1604620 - EN Page 7 of 12
PILOT VALVE PARTS
Figure 4
ASSEMBLY TORQUE REQUIREMENTS
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(123) screw, 4 - 6 in. lbs (0.45 - 0.68 Nm).
Apply Lubriplate to all “O" rings, ”U" cups and mating parts.
(134)
bolt, 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).
LUBRICATION / SEALANTS
135
137
136
111
174
132
134
166
138
139
137
144
103R
123
173 121 118
107
141 200 101
140
129 130
123
103L
144 169 168 171 118
167 121 174 170
173
MAJOR VALVE
PILOT VALVE PARTS
232 236
123
PART LIST / AIR MOTOR SECTION
MAJOR VALVE REASSEMBLY
Assemble new (139 and 138) U” cups on (111) spool -
LIPS MUST FACE EACH OTHER.
Assemble (137) O” rings to (136) large plug.
Assemble (137 and 166) O” rings to (107) small plug.
Insert (111) spool into (136) large plug, then insert (136)
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.
1.
2.
3.
4.
5.
Assemble (140) valve insert and (141) valve plate to
(135) 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 and (135) valve block
to (101) center body, securing with (134) bolts. NOTE:
Tighten (134) bolts to 15 - 20 in. lbs (1.7 - 2.3 Nm).
Assemble (130) gasket and (129) muffler baffle to (101)
center body, securing with (123) screws. NOTE: Tighten
(123) screws to 4 - 6 in. lbs (0.45 - 0.68 Nm).
6.
7.
8.