JLG 4394RT Service Manual - Manual (Page 154)

SECTION 4 - HYDRAULICS
4-30 – JLG Lift – 3121133
Oscillating Axle Bleeding Procedure
1. Attach 1/4" hose to bleeder valve to capture oil.
2. Oscillate axle fully in one direction.
3. Open the bleeder valve at the top of the retracted
cylinder approx. 1/2 turn and open bleeder valve at
the bottom of extended cylinder approx. 1/2 turn.
4. Run pump for 10 seconds, close bleeder valves.
5. Oscillate axle fully in the opposite direction and
repeat steps 3 and 4.
BLEEDER
OSCILLATING AXLE
OSCILLATING AXLE CYLINDER
Figure 4-34. Oscillating Axle Bleeding