4. STEERING UNIT LEAKAGE TEST 4. STEERING UNIT LEAKAGE TEST В SPECIFICATION SPECIFICATION Oil temperature 45 Ь 5 C (113 Ь 9 F) Engine speed High idle Maximum leakage 10 / min GAUGE AND TOOL GAUGE AND TOOL Temperature reader Measuring container (approx 20 ) Stop watch Cap fitting В 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 6-58). 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 В 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. 740F5SE09 5-19