![background image](http://html.mh-extra.com/html/hyundai/hl955/hl955_manual_2196435429.webp)
5-25
4. STEERING UNIT LEAKAGE TEST
4. STEERING UNIT LEAKAGE TEST
SPECIFICATION
SPECIFICATION
Oil temperature 45
±
5˚C (113
±
9˚F)
Engine speed High idle
Maximum leakage 7.5
ℓ
/min (2 gpm)
GAUGE AND TOOL
GAUGE AND TOOL
Temperature reader
Measuring container (approx. 20
ℓ
)
Stop watch
Install frame locking bar to prevent machine
from turning.
Install temperature reader.
(see temperature reader installation proce-
dure in this group).
Heat hydraulic oil to specifications.
(see hydraulic oil warm up procedure at
page 6-55).
Disconnect return hose from fitting.
Install cap fitting.
Run engine at specifications. Rotate
steering wheel against locking bar using
approximately 1.2 kgf
·
m of force.
Measure oil flow from return hose for 1
minute.
Leakage is greater than specifications,
repair or replace steering unit.
1)
2)
3)
4)
5)
6)
·
·
Cap fitting
T
L
R
Safety lock bar
760F5SE11
Summary of Contents for HL955
Page 557: ...7 6 MEMORANDUM MEMORANDUM ...