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 10 ℓ / min GAUGE AND TOOL GAUGE AND TOOL Temperature reader Measuring container (approx 20 ℓ ) Stop watch Cap fitting · Steering unit 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 6-51). 4) Disconnect return hose from fitting. Install cap fitting. 5) 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. Safety lock bar 6) Leakage is greater than specifications, repair or replace steering unit. 940A5SE09 5-19