TM 5-3805-262-343-21. CHECKS AND ADJUSTMENTS AND FLOWMETER TESTSCheck (SHEET 1 OF 2). This task coverschecking of main relief valve pressure setting.TOOLS: No. 1 Common Organizational Maintenance Tool KitSlip joint pliersPressure gage, zero to 3000 psi rangeMATERIALS/PARTS: Clean cloths (Appendix C, item 1)Cleaning solvent P-D-680 (Appendix C, item 2)Dry cleaning solvent P-D-680 used to clean parts is toxic and flammable.Wear protective goggles and gloves and use only in a well ventilatedarea. Avoid contact with skin, eyes and clothes and don’t breathevapors. Do not use near open flame or excessive heat and don’t smokewhen using it. Failure to do so could cause serious injury. If youbecome dizzy while using cleaning solvent, get fresh air and medicalattention immediately. If contact with skin or clothes is made, flushwith large amounts of water. If contact with eyes is made, wash eyeswith water and get medical aid immediately.(1)(2)(3)(4)Using clean cloth moistenedwith cleaning solvent P-D-680, clean all dirt andgrease from quick disconnectcoupling (1) at pump outlet.Remove cap from quick dis-connect coupling (1).Connect pressure gage toquick disconnect coupling.Ensure that pressure gagehose is long enough to readgage from operator’s seat.If necessary, warm hydraulic oi1 to operating temperature:(a) Start and operate engine at full throttle.(b) Place BUCKET control lever (2) in CROWD position andhold for 15 seconds.3-615
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