POWER SHIFT TRANSMISSIONTESTING AND ADJUSTINGRELIEF VALVE GROUP28. Relief valve group. 29. Spacars. 30. Main relief valve.3 1 . R e l i e f v a l v e f o r o i l c o o l e r . 3 2 . R e l i e f v a l v e f o rtransmission lubrication oil.PRESSURE CHANGE TO THE VALVESBY REMOVAL OR ADDITION OF ONE SPACERSpacerThicknessChange inWherePart No.in.mmpsi kPaUsed5 M 3 4 9 2. 0 1 00 . 2 55 . 43 7 . 0M a i n7M1397.0360 . 9 11 9 . 61 3 4 . 5R e l i e f7M1396.0621 . 5 73 3 . 72 3 1 . 4V a l v e ( 3 0 )5 M 3 4 9 2.0100 . 2 52.0113.87Modulating7M1397. 0 3 60.917 . 2 55 0 . 0 0Reducing7M1396. 0 6 21.5712.508 6 . 0 0Valve (21)CLUTCHES ENGAGEDTRANSMISSIONIN TRANSMISSIONSPEEDFORWARDR E V E R S EFIRSTSECONDT H I R DF O U R T HF I F T HSIXTHNEUTRALl, 5, and 61, 4, and 61, 3, and 61, 5, and 71, 4, and 71, 3, and 73 and 72, 5, and 62, 4, and 62, 3, and 62, 5, and 72, 4, and 72, 3, and 73 and 7TM 5-3805-263-14&P-23P891 TRANSMISSION OIL PUMPBENCH TEST SPECIFICATIONST y p e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GearNumber of sections. . . . . . . . . . . . . . . . . . . . . . . . . . .T w oRotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ClockwiseOutput large section:Using SAE 10W oil at 120°F( 4 9o ) ] . . . . . . . . . . .42.5 U.S. gpm (161 litre/min) minimumA t a s p e e d o f . . . . . . . . . . . . . . . . . . . . . . . .2200 rpmA t a p r e s s u r e o f . . . . . . . . . . . . . . . . .60 psi (415 kPa)Output small section:[Using SAE 10W oil at 120oF(49o C)] . . . . . . . . 23.7 U.S. gpm (90 litre/min) minimumAt a speed of. . . . . . . . . . . . . . . . . . . . . . . .2200 rpmAt a pressure of . . . . . . . . . . . . . . . .325 psi (2250 kPa)ADJUSTMENT OF CABLES FORTRANSMISSION CONTROLWARNING: Do not make any adjustmentsto the cables with the engine running.Speed and Direction Cables1. Be sure all of pins (4) for the ends of thecables are in slots (3) of the valve spools.2. Make an adjustment to nuts (2) on the ends ofthe cable housing so the extension of thethreads on both sides is the same.SPEED AND DIRECTION CABLE CONTROLS1. Selector lever. 2. Nuts. 3. Slot. 4. Pin.3. Put selector lever (1) in the REVERSE-NEU-TRAL position. Remove the front cover forthe controls.4. Remove the bolt and lockwasher that holdsthe end (5) to the lever (6).5. Pull up on the end of the cable as far as it willgo. Make an adjustment to end (5) until thehole in the end is in alignment with the hole inlever (6).2-37
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