Hino 600, Workshop Manual, Page: 237 / 451

BRAKE EQUIPMENT (MODELS WITH HYDRAULIC BRAKE) BR01–11
POWER STEERING SYSTEM AIR BLEED-
ING
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1. FILL THE OIL RESERVOIR WITH POWER STEERING FLUID.
NOTICE
• Use only specified fluid.
•
Do not overfill the oil reservoir.
• Replace old fluid with new fluid after overhauling power steering
gear unit or power steering pump.
•
Specified fluid....Refer to recommended lubricant list.
! WARNING
Do not use brake fluid. Mixing brake fluid with power steering fluid
will damage the seals and O-rings in the Hydro-Max booster, the
power steering pump and power steering gear unit, resulting in possi-
ble steering loss.
2. JACK UP THE FRONT AXLE AND SUPPORT THE FRAME WITH
STANDS.
NOTICE
Block the rear wheels.
3. TURN THE STEERING WHEEL FULLY IN BOTH DIRECTIONS
SEVERAL TIMES.
4. CHECK THE FLUID LEVEL IN THE OIL RESERVOIR.
(1) Add fluid, if necessary.
! WARNING
When checking the fluid level of the power steering reservoir or add-
ing fluid to the reservoir, be careful not to contaminate fluid with dirt
in the reservoir. Fluid contaminated with dirt can result in a shorter
life of the pump, and can result in personal injury and/or property
damage due to improper operation of relief valve, central valve, etc.
5. START THE ENGINE AND TURN THE STEERING WHEEL FULLY
IN BOTH DIRECTIONS SEVERAL TIMES WITH ENGINE IDLING.
NOTICE
The fluid in the oil reservoir should be continuously replenished while
air bleeding so that the oil reservoir never becomes empty.
6. RETURN THE STEERING WHEEL TO STRAIGHT AHEAD.
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