MAIN PRESSURE CHECK (SHEET 2 OF 3)

TM-5-3805-262-34 Loader Scoop Type DED 4x4 Articulated Frame Steer 2-1/2 Cubic Yard (J.I. Case Model MW24C) Manual
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TM 5-3805-262-34 MAIN PRESSURE CHECK (SHEET 2 OF 3) (6) (7) (8) (9) (10) (11) (12) (13) ( 14) (15) (16) (a) (b) (c) Start engine and operate at idle speed. If CONV TEMP gage pointer is not approximately 1/2 inch from bottom of gage, go to step (7) below other- wise go to step (11) below. Be sure parking brake valve knob is pushed in. Press brake treadle and valve and move transmission control lever to H position. Increase engine speed to full throttle and hold for 30 seconds. Set transmission control lever to N position and operate engine at idle speed for ten seconds. Repeat steps (7) through (9) above until CONV TEMP gage needle is approx- imately 1/2 inch from bottom of gage. Decrease engine speed to 800 rpm. Be sure transmission control lever is in N position. Pressure gage should indicate 135 psi minimum; record indication. Go to step (12) below. Press brake treadle and valve to prevent loader from moving. With engine operating at 800 rpm, put transmission control lever in R position. Pres- sure gage should indicate 135 psi minimum. Go to step (13) below. Press brake treadle and valve to prevent loader from moving. With engine operating at 800 rpm, put transmission control lever in F position. Pres- sure gage should indicate 135 psi minimum. Go to step (14) below. Press brake treadle and valve to prevent loader from moving. With engine operating at 800 rpm, put transmission control lever in H position. Pres- sure gage should indicate 3 to 10 psi less than pressure recorded in step (11) above. Go to step (15) below. Put transmission control lever in N position. Shut off engine. If pressure gage indication was low for all positions of transmission control lever: Drain transmission oil and clean suction strainer screen (refer to TM 5-3805-262-20) . Replace transmission filter (refer to TM 5-3805-262-20). Clutch cutout cylinder is being activated. Check clutch cutout cylinder (refer to TM 5-3805-262-20). If clutch cutout cylinder is okay, replace transmission control valve (page 3-341) and forward to general support maintenance for repair (spool and spring must be checked). 3-319

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