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 2-1003 2-1003 2-1003 2-1003 2-1003 CONTROL VALVE FLOW TEST 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. 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. NOTE Tag hydraulic hoses, tubes, and fittings prior to disconnecting. (1) Place drain pan under vehicle. (2) Disconnect underlift hose from tube at back end of hydraulic rack. (3) Connect hydraulic tester between hose and tube 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) Operate UNDERLIFT UP (TM 9-2320-366-10-1). (8) Check for reading of 12-14 gpm (45.24-52.78 lpm) at 2400-2600 psi (16548-18927 kPa). (a) If flow reading is less than 12gpm, control valve in lower main valve assembly is faulty. (b) If pressure reading is more than 2600 psi, 2600 psi relief valve in lower main valve assembly is faulty. Replace 2600 psi relief valve. (9) Position PTO switch to OFF (TM 9-2320-366-10-1). (10) Shut down engine (TM 9-2320-336-10-1). (11) Disconnect hydraulic tester, test hoses and adapter, hose to tube. (12) Connect hose to underlift tube at end of hydraulic rack. Drop hydraulic pressure to zero before disconnecting any hydraulic hose, tube, or fitting. Failure to comply may result in injury to personnel.