PURGE AND FILL HYDRAULIC SYSTEM - Continued
BOOM EXTEND boom to 45. Repeat step 6.
BOOM EXTEND until cylinder is fully extended. Repeat step 6.
BOOM RETRACT until boom is level to ground. MAST RETRACT until boom is flat on ground.
Fully EXTEND LEFT OUT until boom extension is fully extended. Repeat step 6.
Fully EXTEND RIGHT OUT until boom extension is fully extended. DO NOT repeat step 6.
If needed, add new oil to reservoir. DO NOT fill past full mark on dipstick.
Operate winch (WP 0012) until new oil cycles through return hose and into container.
Loosen hydraulic hose from straight adapter on main valve assembly (Figure 107, WP 0059,
Connect hydraulic hose to elbow on reservoir (Figure 115, WP 0065, item 5).
Tighten hydraulic hose to straight adapter on main valve assembly (Figure 107, WP 0059
UNCOUPLE fifth wheel towing device from prime mover and place into OIL FILL configuration.
With fifth wheel towing device in oil fill configuration (Figure 104, WP 0056 00-7), check oil level.
Add new oil as necessary.