SST 09350-32014 (09351-32070, 09351-32200)(b)Remove the snap ring.(c)Remove the piston return spring.7.REMOVE PISTON FROM CLUTCH DRUM(a)Install the clutch drum on the case.(b)Apply compressed air to the pressure apply hole of thecase.(c)Remove the piston from the clutch drum.If the piston does not come out completely, use needle-nose pliers to remove it.(d)Remove the clutch drum from the case.
AUTOMATIC TRANSAXLEOVERDRIVE UNIT-AX-608.REMOVE O-RINGSRemove the 2 O-rings from the piston.OVERDRIVE DIRECT CLUTCH INSPECTION1.INSPECT OVERDRIVE DIRECT CLUTCH(a)Check that the check ball is free by shaking the piston.(b)Check that the valve does not leak by applying low-pres-sure compressed air.2.INSPECT DISCS, PLATES AND FLANGESCheck if the sliding surfaces of the discs, plates andflanges are worn or burnt. If necessary, replace them.HINT:LIf the lining of the disc is peeling off or discolored, oreven if a part of the printed numbers are defaced, re-place all discs.LBefore assembling new discs, soak them in ATF forat least 15 minutes.3.CHECK DIRECT CLUTCH BUSHINGUsing a dial indicator, measure the inside diameter of the2 direct clutch bushings.Maximum inside diameter:22.13 mm (0.8713 in.)If the inside diameter is greater than the maximum, re-place the direct clutch drum.OVERDRIVE DIRECT CLUTCH ASSEMBLY1.INSTALL CLUTCH PISTON(a)Install new O-rings to the piston. Coat the O-rings withATF.AX03W-03AX03X-06
AUTOMATIC TRANSAXLEOVERDRIVE UNIT-AX-61(b)Press the piston into the drum with the cup side up, beingcareful not to damage the O-ring.2.INSTALL PISTON RETURN SPRING(a)Install the return spring and seat snap ring in place.(b)Place SST on the spring retainer, and compress thespring with a press.SST 09350-32014 (09351-32070, 09351-32200)(c)Install the snap ring with a screwdriver. Be sure end gapof snap ring is aligned with the groove of the clutch drum.3.INSTALL PLATES, DISCS AND FLANGEInstall in order:P=Plate D=DiscP-D-P-D-Flange4.INSTALL SNAP RINGBe sure end gap of the snap ring is not aligned with thegroove of the clutch drum.
AUTOMATIC TRANSAXLEOVERDRIVE UNIT-AX-625.INSTALL BEARING AND RACE(a)Coat the bearing with petroleum jelly and install it facingthe race side downward to the clutch drum.Bearing outer diameter: 46.3 mm (1.823 in.)Bearing inner diameter: 26.2 mm (1.031 in.)(b)Coat the race with petroleum jelly and install it to the case.Race outer diameter: 43.0 mm (1.693 in.)Race inner diameter: 24.5 mm (0.965 in.)6.INSTALL DIRECT CLUTCH ON CASE7.RECHECK PISTON STROKE OF DIRECT CLUTCHInstall a dial indicator and measuring terminal (SST) to-gether, measure the piston stroke while applying and re-leasing compressed air (392- 785 kPa, 4- 8 kgf/cm2,57-1 14 psi).Piston stroke:1.75-2.49 mm (0.0689-0.0980 in.)SST 09350-32014 (09351-32190)COUNTER DRIVE GEAR DISASSEMBLY1.CHECK OPERATION OF ONE-WAY CLUTCH(a)Install the O/D direct clutch into the one-way clutch.