Kubota D1102-B, Workshop Manual, Page: 39 / 109

KiSC issued 09, 2007 A
(A) Cylinder head tightening steps
0
Removing Cylinder Head
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
30
minutes.
• Do
not forget to ref it the 0-ring.
(a) .Gear case side
01102-B
01302-B
01402-B
(c)
Bolt
0
(d)
Nut
V1502-B
V1702-B
V1902-B
CO J 9 F001
() 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) Valve guide
(2) Valve
(3) Valve spring
(4) Valve spring retainer
0
Removing Tappet
1) Remove the tappets.
36
(5) Valve stem seal
(6) Valve spring collet
(7) Valve cap
Model Serial Number
Tightening Torque Remarks
D1102-B
"' 25273
78.5 to 83.4 N• m
8.0 to 8.5 kgf •m
57 .8 to 61.5 lb.
f t.
Bolt and
plain washer
01302-B
01402-B
-22541
,.... 15906
V1502-B
-7433
V1702-B - 1247
V1902·B
,.., 2322
01102-B 25274 -
93.2
to
98.1 N·
m
9.5
to
10.0 kgf.
m
68.7 to 72.3 lb.ft.
Flange bolt
D1302-B
01402-B
22542 -
15907 "'
V1502·B
7434 ,..,,
V1702-B 1248 ,....
V1902·B 2323 "'