Kubota WSM User Manual

1-S18
ZD25F, WSM
ENGINE
(2) Disassembling and Assembling
(A) Cylinder Head and Valves
Cylinder Head Cover
1. Remove the head cover cap nuts.
2. Remove the cylinder head cover.
(When reassembling)
• Check to see if the cylinder head cover gasket is not defective.
• Apply engine oil to the cylinder head cover cap nuts.
And tighten them.
W10147380
Injection Pipes
1. Loosen the screws on the pipe clamps (1).
2. Detach the injection pipes (2).
(When reassembling)
• Blow out dust from the pipes with compressed air.
Then reassemble the pipes in the reverse order.
W10150780
Nozzle Holder Assembly and Glow Plug
1. Remove the overflow pipe assembly (5).
2. Remove the nozzle holder assemblies (2) using a 21 mm deep
socket wrench.
3. Remove the copper gasket and heat seal (3).
4. Remove the lead (4) from the glow plugs.
5. Remove the glow plugs (1).
(When reassembling)
• Replace the copper gasket and heat seal with new one.
W10259700
Tightening torque
Cylinder head cover cap
nut
6.9 to 8.8 N·m
0.7 to 0.9 kgf·m
5.1 to 6.5 ft-lbs
Tightening torque Injection pipe retaining nut
24.5 to 34.3 N·m
2.5 to 3.5 kgf·m
18.1 to 25.3 ft-lbs
(1) Pipe Clamp (2) Injection Pipe
Tightening torque
Nozzle holder assembly
49.0 to 68.6 N·m
5.0 to 7.0 kgf·m
36.2 to 50.6 ft-lbs
Overflow pipe assembly
retaining nut
19.6 to 24.5 N·m
2.0 to 2.5 kgf·m
14.5 to 18.1 ft-lbs
Glow plug
7.8 to 14.7 N·m
0.8 to 1.5 kgf·m
5.8 to 10.8 ft-lbs
(1) Glow Plug
(2) Nozzle Holder Assembly
(3) Heat Seal
(4) Lead
(5) Overflow Pipe Assembly
KiSC issued 04, 2009 A

Kubota WSM Specifications

General

Brand	Kubota
Model	WSM
Category	Lawn Mower
Language	English