1-21
C3718
C3719
C3724
Disassembly Repair 175
(cont’d)
7 When replacing the spool to the control valve, use
new O-ring seals and apply system oil to the O-rings and
spools. (fig. C3718).
9 Place the cable end of the spool in a vice, or insert a
screw driver through the clevis pin holes, to keep it from
turning. The detent is threaded to the spool and can be
removed for inspection or repairs.(fig. C3724)
Replace broken springs, worn detents and / or damaged
detent balls with a new detent kit.
Apply Loctite 542 to the threads of the detent when
installing to the spool.
Apply Castrol “Spheerol” TN grease to the inside of the
spring cover.
8 Fit the seal washer to the control valve with the
beveled side of the washer facing the control valve. (fig.
C3719) Fit the spool to the control valve now if repairs
are not needed to the detent or spring return mechanism.
Use system oil to lubricate the spool before inserting to
the control valve.
CONTROL VALVE 1.3
Spool O-Ring
10 When installing the detent to the control valve spool,
apply Loctite type (542) to the threads. Tighten the detent
to the spool at 24 Nm (17.7 lbs / ft). (fig. C2254)
C2254
Apply Loctite 252
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