TM 5-3805-262-343-21. CHECKS AND ADJUSTMENTS AND FLOWMETER TESTS (CONT)a. MainReliefValvePressureSetting Check(SHEET2OF2).(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) With engine operating at full throttle, place and hold BUCKET control le-ver (2) in CROWD position. Read pressure gage indication. Pressure gageshall indicate 2300 ±50 psi. If pressure gage indication is not correct,go to step (6) below otherwise go to step (7) below.(6) With engine operating at full throttle, place and holdLIFT ARM control lever (4) in RAISE position. Readpressure gage indication. Pressure gage shall indicate2300 ±50 psi. If pressure gage indication is not cor-rect, turn off engine and adjust main relief valvepressure setting (page 3-617) below.(7) Turn off engine and operate hydraulic control leversseveral times to relieve hydraulic pressure.(8) Disconnect pressure gage from quick disconnect coupling(1) and reinstall cap on quick disconnect coupling.3-616
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