Kubota WSM F3680 User Manual

2-S29
F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM
TRANSMISSION
[4] SERVICING
(1) Hydrostatic Transmission
Pump Shaft and Motor Shaft
1. Check the seal surface (1) and the bearing surface (2).
2. If the shaft is rough or grooved, replace it.
W1024186
Cylinder Block Bore and Pistons
1. Lift all 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. Pistons and cylinder blocks are matched.
W1035703
Piston Slipper
1. Check the slipper (1) for flatness.
2. If rounded, replace it.
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. Pistons and cylinder blocks are matched.
W1035895
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.
W1036188
(1) Seal Surface
(2) Bearing Surface
(3) Motor Shaft
(4) Pump Shaft
Clearance between
piston and bore
Factory spec.
0.02 mm
0.0008 in.
Allowable limit
0.04 mm
0.0016 in.
(1) Retainer Plate
(2) Piston
(3) Cylinder Block
Thickness of slipper
Factory spec.
3.00 mm
0.118 in.
Allowable limit
2.90 mm
0.114 in.
(1) Piston Slipper (2) Lubricant Hole
(1) Polished Face (2) Spring
KiSC issued 04, 2006 A

Kubota WSM F3680 Specifications

General

Brand	Kubota
Model	WSM F3680
Category	Lawn Mower
Language	English