P O W E R S H I F T T R A N S M I S S I ONT E S T I N G A N D A D J U S T I NGTM 5-3805-258-24-1NOTE: All tests and adjustments must be made withWARNINGthe oil in the hydraulic control system at normaltemperature of operation. Be sure the linkage adjust-When tests and adjustments are made to thements are correct before tests are made.transmission, remove both front and rear axleshafts, install the anti-pivot link, and lower thebucket to the ground. Let only approved per-sonnel on the machine. Keep other personneloff the machine and in view of the operator.PressureOil PumpSpeed Clutch (PI)(PrimaryPressure)Speed Clutch (P 1)DirectionClutch (P2)TransmissionLubrication OilNeutralizerValve(12)PressureDifferentialValve(14)PressureTap(A)(E)(E)(F)TRANSMISSION PRESSURE CHARTGovernor Control at:ILow IdleHigh IdleAdjustment2140 kPa(310psi) Minimum2885* 115 kPa (390k 17 psi)NONE530 * 22 kPa(77t 5 psi) withdirection selector in NEUTRALspeed selector in FIRST. Loadpiston plug (G) removed.Add or removeto the amount ofspacers (23).See SPACERCHART.Must be 2050 kPa (300 psi)minimum, with selectorleverin any FORWARD speedLoad piston plug (G)installed.380t 35 kPa(55 * 5 psi) lessthan the speed clutch pressure.at tap(E).Load piston plug(G) installed.2540 * 105 kPa (370 t 15 psi)with selector lever in anyFORWARD speed. Load pistonolua (G) installed380f 35 kPa(55 * 5 psi) lessthan the speed clutch pressureat tap (E). Load piston plug(G) installed.NONENONE(c)II152 kPa(22psi) Minimum.INONEDirection clutch pressure (P2) must go down to O kPa(O psi) when a brake pressure of 345kPa(50 psi)is sent to the neutralizer valve. The speed clutch pressure (PI) must drop and then go up to fullpressure. Lower the brake pressure to the neutralizer valveto O kPa(O psi), direction clutch pressure(P2)mustincrease until it is 380t 35 kPa(55 t 5 psi) less than the speed clutch pressure.With the engine not running, move the direction selection leverto any position except NEUTRAL. Startthe engine and run at HIGHIDLE. The direction clutch pressure (P2) must be O kPa (O psi), the speedclutch pressure (Pi) must be 2540* 105 kPa(370f 15 psi). Move the direction selection levertoNEUTRAL. Thedirection clutch pressure (P2)must be 380f 35 kPa(55 t 5 psi) lessthan the speedclutch pressure.4-49
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