CHASSIS INFORMATION --- SECTION 10 • 379
NEPTUNE 2004
10
The hydraulic pump is located at the curbside front with easy access through
the generator compartment. The manifold and valve assembly is mounted on the
pump motor, providing access to the manual retract valves.
In case of mechanical or electrical failure that would prevent the leveling jacks
from being automatically retracted, the motorhome is equipped with manual
emergency retract valves. The manual retract system releases fluid that is under
pressure in each jack and allows the fluid to return to the reservoir.
CAUTION: The motorhome will raise or lower when the manual
retract valves are opened. If it becomes necessary to manually
retract the jacks, do not crawl under the motorhome to access
the valves. Make sure there is sufficient clearance so the valves
may be opened safely.
To operate the manual system:
• Turn all three T-handle valves counterclockwise until they stop.
• When the jacks are fully retracted, rotate all the valves fully
clockwise. In case one of the jacks is not holding pressure, one of the
manual retract valves may not be fully tightened.
Occasionally, when the jacks are fully extended, wipe off the dirt from the jack
rod. This will help lengthen the life of the jacks. How often this is done can vary
from the amount and type of usage of the jacks. WD40 will serve as a solvent, as
well as a lubricant. Occasional oil or grease on the extended jack ram is normal
and aids in the lubrication of the seals.
Component Replacement Model JII-22.5:
The system is designed to be self-purging in the event any component of the
hydraulic system has been removed or repaired.
To Purge the System:
• Fully extend and retract each jack twice.
Adding Fluid:
An indication of a system needing fluid is the bong alarm intermittently sounding
when turning corners or the pump whining or gurgling. Use
Dexron III
®
automatic
transmission fluid to fill the reservoir.
Manual Retract
Valves
Maintenance
Содержание Neptune 2004
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