C4248
C4249
1-31
C4246
Disassembly / Repair 137/153
(cont’d)
8 Hold the spool with a Hex allen wrench while
removing retaining screw. (fig. C4246) Remove the
spring and spring bushing from the spool assembly. (fig.
C4247) When installing the spring assembly to the spool,
apply Loctite 542 to the threads and tighten the screw to
17.7 ft lbs (24 Nm).
9 Upon assembly, use new O-ring seals. (fig. C4248)
Don’t over look the small O-ring seal between the
cylinder and valve body. (fig. C4249) Lubricate the spool
O-ring seals with system oil. Apply Castrol “Spheerol”
grease to the inside of the spring covers.
C4247
CONTROL VALVE 1.3
Allen Wrench
Screw
Spring
Bushing
Spool
O Ring
O Ring
O Ring
O Ring
O Ring
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