TM 5-3805-262-34TEST NO. 2 - LOADER CIRCUIT8 AND MAIN RELIEF VALVE (SHEET 1 OF 4)NOTEIf you have just completed test no. 1, go to step (9) below, otherwisego to step (1) below.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) Using clean cloth moistened with cleaning solvent clean all dirt andgrease from quick disconnect coupling (1) at pump outlet.(2) Open access door in front of loader.(3) Loosen and remove hydraulic reservoir fill cap from hydraulic reservoir.Hydraulic system pressure is over 2000 psi and hydraulic reservoir ispressurized with compressed air. Before loosening or disconnecting anyhydraulic hoses, lines, or fittings, loosen hydraulic reservoir fillcap, and operate all hydraulic control levers to relieve hydraulicsystem pressure. Failure to do so could cause serious injury or death.If you are injured obtain medical assistance immediately.(4) Remove cap (2), coupling (3), and connector (4) from tube.3-631
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