Kubota WG1605-G-E3 Workshop Manual page 107

WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, WSM
Cylinder Head
1. Loosen the pipe clamps (2), and remove the water return hose
(1).
2. Remove the cylinder head screw in the order of (r) to (a).
3. Remove the spark plug.
4. Remove the injector flange (WG1605-G-E3, WG1605-GL-E3) /
ignition coil flange (WG1605-L-E3).
5. Lift up the cylinder head to detach.
6. Remove the cylinder head gasket.
(When reassembling)
• Replace the cylinder head gasket with a new one.
• Tighten the cylinder head screws after applying sufficient oil.
• Tighten the cylinder head screws in order of (a) to (r).
• Tighten them uniformly, or the head may deform in the long run.
NOTE
• injector flange (WG1605-G-E3, WG1605-GL-E3), ignition
coil flange (WG1605-L-E3) mounting screw:
length = 105 mm (4.13 in.)
• others:
80.5 mm (3.17 in.)
Cylinder head screw
Tightening torque
Spark plug
(1) Water Return Hose
(2) Hose Clamp
Tappets
1. Remove the tappets (1) from the crankcase.
(When reassembling)
• Visually check the contact between tappets and cams for proper
rotation. If defect is found, replace tappets.
• Before installing the tappets, apply engine oil thinly around
them.
IMPORTANT
• Do not change the combination of tappet and tappet guide.
(1) Tappet
1-S29
ENGINE
63.7 to 68.6 N·m
6.50 to 6.99 kgf·m
47.0 to 50.5 lbf·ft
24.5 to 29.4 N·m
2.50 to 2.99 kgf·m
18.1 to 21.5 lbf·ft
A: Gear Case Side
(r) to (a): To Loosen
(a) to (r): To Tighten
9Y1210661ENS0083US0
9Y1210318ENS0065US0
KiSC issued 01, 2012 A