Kubota D1503-M-DI Workshop Manual page 67

03-M-DI Series, WSM
Cylinder Head
1. Loosen the pipe clamp (1), and remove the water return pipe (2).
2. Remove the cylinder head screw in the order of (n or r) to (a).
3. Lift up the cylinder head (3) to detach.
4. Remove the cylinder head gasket (4).
(When reassembling)
• Replace the cylinder head gasket (4) with a new one.
• Tighten the cylinder head screws after applying sufficient oil.
• Tighten the cylinder head screws in diagonal sequence starting
from the center in the order of (a) to (n or r).
• Tighten them uniformly, or the head may deform in the long run.
Tightening torque Cylinder head screw
IMPORTANT
• To replace the cylinder head gasket (4), in advance make
sure the marking (5) of cylinder head gasket in the original
engine, and replace the same marking as the original
cylinder head gasket.
Model
D1503-M-DI
Gasket Marking & D1503-M-DI-T
Code Number
15 1G720-03601
20 1G720-03311
25 1G720-03611
30 1G720-03621
35 1G720-03631
(1) Pipe Clamp
(2) Return Pipe
(3) Cylinder Head
(4) Cylinder Head Gasket
(5) Marking
S-46
DIESEL ENGINE
93.1 to 98.0 N·m
9.5 to 10.0 kgf·m
68.7 to 72.3 ft-lbs
D1703-M-DI V2203-M-DI
D1803-M-DI V2403-M-DI
1G750-03601 1G790-03601
1G750-03311 1G790-03311
1G750-03611 1G790-03611
1G750-03621 1G790-03621
1G750-03631 1G790-03631
(n or r) to (a): To Loosen
(a) to (n or r): To Tighten
(A) Gear Case Side
(B) Flywheel Side
W1021755
KiSC issued 10, 2009 A