Hydraulic Reservoir; Steering Gear - Holiday Navigator 2003 Owner's Manual

Chassis Information
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Hydraulic Reservoir

Hydraulic Fluid Reservoir.

STEERING GEAR

1 0 • 4 4 8
The hydraulic reservoir, located in the engine compartment,
is made from aluminum so the tank will not be affected by
any moisture that may condense. The oil level in the reservoir
should be checked when the hydraulic fluid is at operating
temperature. This should be done every 6,000 miles or three
months. The oil dipstick/oil fill is located on top of the
reservoir. The oil level should be kept between the full and
add marks on the dipstick. When performing fluid level
checks, inspect fittings and hoses for signs of leakage. Look
underneath the motorhome for any signs of fluid leakage.
Avoid untimely and costly failures by having leaks repaired.
Change the hydraulic oil filter every 15,000 miles or once a
year. Total system capacity is approximately 46 quarts.
Maintain the grease pack behind the output shaft's dirt and water seal as a
general maintenance procedure at least twice a year. The grease fitting is provided
in the housing trunnion. Use NLGI grade 2 or 3 multipurpose chassis lube and
use only a hand operated grease gun on the fitting. Add grease until it begins
to extrude past the sector shaft dirt and water seal.
Power steering is provided by using hydraulic pressure to assist rotating
the output shaft of the steering gear. Located at the end of the input shaft of the
steering gear is poppet valve and worm drive. The poppet valve directs the
hydraulic fluid pressure to a type of spool. The worm drive threads in the
center of the spool. When in the center position, pressurized hydraulic fluid
bypasses the spool. When a turn is made, the poppet valve shifts to one direction
or the other, directing the hydraulic pressure to one side of the spool depending
on turning direction. The hydraulic fluid is then cooled before returning to the
reservoir. Inspect for signs of leakage when performing fluid level checks.
Changing the hydraulic filter at regular intervals will help ensure trouble-free
operation.
Grease Zerk..
steering box.eps
N A V I G A T O R 2 0 0 3
090284