TM 5-3805-262-343-21. CHECKS AND ADJUSTMENTS AND FLOWMETER TESTS (CONT)b. MainReliefValvePressureSettingAdjustment(SHEET2OF4).(3)Connect pressure gage to quick disconnect coupling. Ensure that pressuregage hose is long enough to read gage from operator’s seat.(4)If necessary, warm hydraulic oil to operating temperature:(a) Start and operate engine at full throttle.(b) Place BUCKET control lever (2) in CROWD position and hold for 15 se-conds.(c) Place BUCKET control lever (2) in NEUT. position for 30 seconds.(d) Repeat steps (b) and (c) above until hydraulic oil is at operating tem-perature.NOTEHydraulic oil is at or near operating temperature when tube (3) is warmto touch.(5)Lower bucket to ground and turn off engine.3-618
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