Hyundai HL955 Manual page 429

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