TM 9-2350-238-10OPERATING CRANE–CONTINUEDSTARTING HYDRAULIC SYSTEM–CONTINUEDrpm, set hydraulic pump PTO clutchswitch (2) to OFF, stop engine, andDo not operate hydraulicnotify unit maintenance personnel.system when filter bypass in-dicator light (4) is on, except6 When hydraulic system is not required,under emergency conditions.turn hydraulic system off, Push handthrottle (1) in to idle engine at 650-7005 Using intercommunications system, haverpm. Set hydraulic pump PTO CLUTCHcrane operator check filter bypass in-switch (2) to OFF. Indicator light (3) willdicator light (4). If light is on, push handgo off.throttle (1) to idle engine at 650-700OPERATING SUSPENSION LOCKOUT SYSTEM1 Drive M578 recovery vehicle onto levelsurface if possible, and bring vehicle to acomplete stop.2 Start hydraulic system. Refer to page2-67,Do not operate suspensionlockout system when vehicleis in motion.3 Set suspension lockout control valvehandle (1) to locked position.4 SUSPENSION LOCKED indicator light (2)will come on when suspension is locked.2-68
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