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 2-989 2-989 2-989 2-989 2-989 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. 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. WARNING CYLINDER DOWN INPUT FLOW TEST (1) Place drain pan under vehicle. (2) Disconnect hoses from ports (UP and DOWN) on fold cylinder. (3) Connect hydraulic tester: (a) Connect two test hoses to pressure and reservoir ports of hydraulic tester. (b) Connect pressure test hose to fold cylinder DOWN hose. (c) Connect reservoir test hose to fold cylinder UP hose. (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 UNDERLIFT FOLD control valve handle to DOWN. (8) Perform flow test and note reading on hydraulic tester. (9) Perform pressure test and note reading on hydraulic tester. Drop hydraulic pressure to zero before disconnecting any hydraulic hose, tube, or fitting. Failure to comply may result in injury to personnel. (10) If flow is below 3.5 gpm (13 lpm), or pressure is below 1200 psi (8274 kPa), lower valve assembly is faulty. Repair lower valve assembly (para 16-84). If flow and pressure are OK, fold cylinder is faulty. Replace fold cylinder (para 16-71). (11) Position PTO switch to off (TM 9-2320-366-10-1). (12) Shut down engine (TM 9-2320-366-10-1). (13) Disconnect pressure and reservoir test hoses from fold cylinder hoses. (14) Connect two hoses to ports (UP and DOWN) on fold cylinder. (15) Remove drain pan from under vehicle.