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HYDRAULIC CONTROL VALVE (Cont’d)
Spool Seal Installation
To install new spool seals when the centering spring (tilt
spool) or the detent assembly (lift spool) are not removed
from the spool, use the following procedure:
Check the seal surface area (in the control valve) for rust,
corrosion, scratches, etc. Correct any irregularities
before continuing.
Put plastic material on the valve spool [A].
Put clean oil on the spool seal. Install the spool seal (Item
1) [A] on the spool being careful not to damage the seal
on the sharp edges.
Remove the plastic material.
Install the spool into the control valve.
Slide the linkage end spool seal over the rubber boot
groove [B].
Be careful not to damage the spool seal.
Install the backup washer [B].
Continue assembling the control valve.
–2–44–
A
B
1
CD–15080
CD–15081
853, 853H BICS Loader
Service Manual