REFERENCE
8.1.5 O-Rin g B
oss (ORB) Hydraulic Fittings (Adjustable)
1. Inspec t O-ring (A) and sea t (B) for d irt or
obvious defects.
2. Back off the lock nu t ( C) a s far as possible. Ensure
that washer (D) is 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 8
.11: Hydraulic Fitting
5. Install fitting (B) into port until back up washer (D) and
O-ring (A) contact the part face (E).
6. Position angle fittings by unscrewing no more than
one turn.
7. Turn lock nut (C) down to washer (D) and tighten to
torque shown. Use two wrenches, one on fitting (B)
and the other on lock nut (C).
8. Check the final condition of the fitting.
Figu
re 8.12: Hyd raulic Fitting
147695 440 Revision A
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