Disassembling Valve; Removing Cylinder Head - Kubota D1102-B Workshop Manual

(A) Cylinder head tightening steps
(a) .Gear case side
01102-B
01302-B
01402-B
V1502-B
V1702-B
V1902-B
CO J 9 F001
0
1 ) Detach the water retu rn pi pe.
2) Detach the cyl i nder head.
3) Remove the gasket a nd the 0-ring.
(Note for reassem bli ng)
• Apply engine oil to each bolt and nut; tighten them
equally and i n the right order.
(I mportant)
• When overhauli ng the engine, replace the gasket with a
new one without conf using its front and back. Retighten
the nuts af ter runni ng for
• Do
Model
D1102-B
01302-B
01402-B
V1502-B
V1702-B
Bolt
(c)
V1902·B
0
01102-B
(d) Nut
D1302-B
01402-B
V1502·B
V1702-B
V1902·B

() Disassembling Valve

1) Remove the val ve cap and the val ve spring col let.
2) Remove the val ve spring retai ner a nd va l ve spring.
3) Remove the val ve stem seal and the valve.
( Note for reassembl ing)
• Replace the valve stem seal, apply a generous amou nt
of engine oil to the new seal and refit it.
(1)
(2)
(3)
(4)
0
1) Remove the tappets.
36

Removing Cylinder Head

30
minutes.
not forget to ref it the 0-ring.
Tightening Torque
Serial Number
"' 25273
- 22541
78.5 to 83.4 N• m
,.... 15906
8.0 to 8.5 kgf •m
- 7433
57 .8 to 61.5 lb.
- 1247
,.., 2322
25274 -
22542 -
to
93.2
15907 "'
to
9.5 10.0 kgf.
7434 ,..,,
68.7 to 72.3 lb.ft.
1248 ,....
2323 "'
Valve guide
Valve
Valve spring
Valve spring retainer
Removing Tappet
Remarks
Bolt and
plain washer
f t.
m
98.1 N·
m Flange bolt
(5) Valve stem seal
(6) Valve spring collet
(7) Valve cap
KiSC issued 09, 2007 A