Hyundai HL955 Manual page 431

6. STEERING VALVE (EHPS) RELIEF 6. STEERING VALVE
CARTRIDGE LEAKAGE TEST CARTRIDGE LEAKAGE TEST
·
SPECIFICATION SPECIFICATION
Oil temperature
Engine speed
Maximum leakage 1mℓ/min (16 drops per min)
·
GAUGE AND TOOL GAUGE AND TOOL
Temperature reader
Measuring container
Stop watch
1) Install temperature reader.
(see temperature reader installation proce-
dure in this group).
2) Heat hydraulic oil to specifications.
(see hydraulic oil warm up procedure at
page 6-55).
3) Install plug (A) in Ts port.
Disconnect line from T port on steering
valve. Install plug in line.
4) Connect line (B) to steering valve.
5) Start engine and run at specification.
6)
Measure oil leakage from T port.
7) If leakage is more than specification, disas-
semble and inspect relief cartridge for dam-
age or debris.
RELIEF
45 ± 5˚C (113 ± 9˚F)
High idle
A
Ts
5-27
Relief valve
B
T
760F5SE21