TM 9--2350--292--20--10097 00--5BOOM FAILS TO OPERATE OR OPERATES ROUGHLY -- CONTINUED0097 00HIs pressure at shutoff valve PILOT port greater than 0but less than 60 psi?CONTINUED FROM STEP GnoyesCONTINUED ON NEXT PAGE1. Place boom safety valve handle in STOWposition.2. Perform Step G, steps 4 thru 6.Notify Direct SupportMaintenance.IIf boom control handle is in RETRACT, is pressure atP-- test 1800--2300 psi and BL port pressure1575--1900psi and BR port pressure 75 or less?1. Remove gauges and tees and reconnect hose/plugsto ports.2. Install 0--5000 psi dial pressure gauge in P test portof hydraulic control valve manifold assembly.3. Install 0--4000 psi testing gauge assembly in BR testport of hydraulic control valve manifold assembly.4. Install 0--4000 psi testing gauge assembly in BL testport of hydraulic control valve manifold assembly.5. If boom is stowed in travel lock place wood blocksbetween boom and hull forward of air cleaner inlets.6. Start main engine, set speed to 1800 rpm andenergize main hydraulics (TM 9--2350--292--10).7. Place boom control handle in RETRACT position (ifboom is in live range place handle to FORWARDposition).8. Read gauges and record pressures.9. Shut down hydraulics and main engine(TM 9--2350--292--10).Is pressure at port A 440--625 psi?noyesNotify Direct SupportMaintenance.CONTINUED FROMSTEP UWARNING
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
