wsm L3301 - Page 413

TRANSMISSION
L3301, L3901, L4701, WSM
3-S101
Checking Contact between Coupling and Shifter
1. Check to see if there is flaw or wear on the spline of the coupling
and shifter, and the ley groove on the coupling.
2. Engage the shifter with the coupling, and check that they slide
smoothly.
3. Similarly, check that there is any flaw or wear on the gear
splines.
4. If there is any problem, replace them.
9Y1211012TRS0133US0
Flaw on synchronizer Key and Spring
1. Check the projection in the center of the synchronizer key for
wear.
2. Check the spring for fatigue or wear on the area where the
spring contacts with the keys.
3. If there is any problem, replace them.
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[B] HST Model
Pump Shaft and Motor Shaft
1. Check the oil seal surface (3).
2. If the pump shaft (1) and motor shaft (2) are rough or groove,
replace them.
9Y1211012TRS0135US0
Cylinder Block Bore and Pistons
1. Lift the pistons gently with the retainer plate (1).
2. Check the pistons for their free movement in the cylinder block
bores.
3. If the piston or the cylinder block bore is scored, replace cylinder
block assembly.
4. Check the slipper (4) for flatness.
5. If rounded, replace.
IMPORTANT
• Do not interchange pistons between pump and motor
cylinder block.
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Cylinder Block Face
1. Check the polished face (1) of cylinder block for scoring.
2. If scored, replace cylinder block assembly.
3. Check the spring (2) for breakage.
4. If broken, replace cylinder block assembly.
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(1) Pump Shaft
(2) Motor Shaft
(3) Oil Seal Surface
(1) Retainer Plate
(2) Piston
(3) Cylinder Block
(4) Piston Slipper
(1) Polished Face (2) Spring
KiSC issued 09, 2016 A