TM-9-2320-366-34-1 MTV Direct Maintenance Manual M1083 Series - Volume 1 Download
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TM 9-2320-366-34-1 TM 9-2320-366-34-1 TM 9-2320-366-34-1 TM 9-2320-366-34-1 TM 9-2320-366-34-1 2-1049 2-1049 2-1049 2-1049 2-1049 CONTROL VALVE FLOW TEST NOTE Crane must be fully erected in order to perform flow and pressure test. NOTE If boom swings right OK but will not swing left: substitute port B for port A, in steps (1), (2), (14), and (15), and operate swing control CCW, in step (9). (1) Place drain pan under vehicle. (2) Disconnect hose from port A of boom swing hose located underneath wrecker. (3) Connect hydraulic tester between hose and port A with test hoses and adapters. (4) Start engine (TM 9-2320-366-10-1). (5) Position PTO switch to on (TM 9-2320-366-10-1). (6) Increase engine rpm to 1250-1450 rpm (TM 9-2320-366-10-1). (7) Position MHC power switch to ON (TM 9-2320-366-10-1). (8) Operate swing control CW (TM 9-2320-366-10-1). (9) Check for reading of 8-9 gpm (30-34 lpm) at 1400 psi (9653 kPa). (10) If flow reading is not 8-9 gpm (30-34 lpm), replace control valve (para 16-59). (11) If pressure is not 1400 psi (9653 kPa), replace hydraulic orbit motor (para 16-55) or cross relief valve assembly (para 16-54). (12) Stow MHC (TM 9-2320-366-10-1). (13) Position MHC power to OFF (TM 9-2320-366-10-1). (14) Position PTO switch to off (TM 9-2320-366-10-1). (15) Shut down engine (TM 9-2320-366-10-1). (16) Disconnect hydraulic tester, hose and adapters. (17) Connect hose to port A. (18) Remove drain pan from under vehicle. WARNING Wear approved eye protection when performing pressure checks. Failure to comply may result in oil getting into eyes. If oil contacts eyes, seek medical attention immediately. Drop hydraulic pressure to zero before disconnecting any hydraulic hose, tube, or fitting. Failure to comply may result in injury to personnel. Fuel and oil are slippery and can cause falls. Wipe up spilled fuel or oil with rags. Failure to comply may result in injury to personnel.