TRANSMISSION
L3301, L3901, L4701, WSM
3-S110
Valve Plate
1. Check the engagement of the valve plate (2), (3) and the anchor
pins (1).
2. Pushing the valve plate (2), (3) against the anchor pins (1),
remove the valve plate (2), (3).
3. Check the valve plate (2), (3) for foreign particles.
4. Clean the valve plate (2), (3) and dry with compressed air.
5. Check the valve plate (2), (3) for scratches, wear and erosion.
Operate a finger nail across the valve plate surface. If the
surface is worn, it will be felt.
6. If the valve plate (2), (3) is worn or scored, replace the valve
plate (2), (3).
9Y1211012TRS0163US0
Thrust Plate, Swashplate and Cradle Bearing
1. Check the piston contact face of the thrust plate (1), the
swashplate (3) for scratches and excessive wear.
2. Check the holes (2) of swashplate (3) for clogged.
3. If the trust plate (1) and the swashplate (3) is worn and scored,
replace it. If the holes (2) are clogged, clean them.
4. Check the surface of the cradle bearing (4) for scratches and
excessive wear.
5. If the cradle bearing (4) is worn or scored, replace it.
9Y1211012TRS0164US0
Oil Seals and Needle Bearing for Shaft
1. Remove the needle bearing (3) for wear. If the needle bearing
(3) is worn, replace it.
2. Remove the oil seal (2) for damage. If the oil seal is damaged,
replace it.
• After checking, coat the bearing with transmission oil
and the oil seal lip with grease.
9Y1211012TRS0165US0
(1) Anchor Pin
(2) Valve Plate (Pump)
(3) Valve Plate (Motor)
(1) Thrust Plate
(2) Hole
(3) Swashplate
(4) Cradle Bearing
(5) Cradle Bearing Bracket
(1) Internal Cir-clip
(2) Oil Seal
(3) Needle Bearing
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