Instruction Manual

MAINTENANCE AND SERVICING
O-Ring Boss (ORB) Hydraulic Fittings (Adjustable)
1. Inspect O-ring (A) and seat (B) for dirt or
obvious defects.
2. Back off the lo ck n ut ( C) as far as possible. Ensure that
washer (D) is not loose and is pushed toward the lock
nut (C) as far as possible.
3. Check that O-ring (A) is NOT on the threads, and adjust
if necessary.
4. Apply hydraulic system oil to the O-ring (A).
Figure 6.11: Hydraulic Fitting
5. Install
fitting (B) into port until back up washer (D) and
O-ring (
A) contact the part face (E).
6. Positio
nanglefittings by unscrewing no more than
one tur
n.
7. Turn lo
ck nut (C) down to washer (D) and tighten to
torque
shown. Us e two wrench e s, one on the fitting (B)
and the
other on the lock nut (C).
8. Check
the final condition of the fitting.
Figure 6.12: Hydraulic Fitting
169899
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Revision A