wsm L503 User Manual

3-S115
L3130 · L3430 · L3830 · L4630 · L5030, WSM
TRANSMISSION
(3) Servicing
(A) Bearing, Gear and Shaft
See page 3-S43.
(B) PTO Clutch
See page 3-S45.
(C) Differential Gears
See page 3-S46 to 3-S48.
(D) HST
Charge Pump
1. Check the charge pump housing and the rotor (1), (2) for
scratches and wear.
2. If scratch or worn, replace the charge pump complete assembly.
W1025956
Pump Shaft and Motor Shaft
1. Check the seal surface (4) and the bearing surface (3).
2. If the shaft is rough or groove, replace it.
W1026037
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.
IMPORTANT■
• Do not interchange pistons between pump and motor
cylinder block.
W1026142
Piston Slipper
1. Check the slipper (1) for flatness.
2. If rounded, replace.
3. Measure the thickness of piston slipper.
4. If the measurement is less than the allowable limit, replace.
5. Check the lubricant hole (2) for clogging.
IMPORTANT
■
• Do not interchange pistons between pump and motor
cylinder block.
W1026561
(1) Inner Rotor
(2) Outer Rotor
(3) Pump Cover
(1) Motor Shaft
(2) Pump Shaft
(3) Bearing Surface
(4) Seal Surface
(1) Retainer Plate
(2) Piston
(3) Cylinder Block
(1) Piston Slipper (2) Lubricant Hole
KiSC issued 02, 2007 A

wsm L503 Specifications

General

Brand	wsm
Model	L503
Category	Tractor
Language	English