5-20
3. STEERING UNIT LEAKAGE TEST
SPECIFICATION
Oil temperature 45±5。C(113±9。F)
Engine speed High idle
Maximum leakage 7.5ℓ/
min
(2
gpm
)
G
GAUGE AND TOOL
Temperature reader
Measuring container(Approx. 20
ℓ)
Stop watch
Install temperature reader.
(See temperature reader installation
procedure in this group).
Heat hydraulic oil to specifications.
Disconnect return hose from fitting.
Install cap fitting.
Run engine at specifications. Rotate
steering wheel completely to the right (or
left) approximately 1.2
kgf·m
of force.
Measure oil flow from return hose for 1
minute.
If leakage is greater than specifications,
repair or replace steering unit.
1)
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5)
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