Toyota 2F - Page 22

3-6
Fig. 3-10
I
ENGINE SERVICE - Cylinder H oo d
. I r::1
~
- -- SST
II 1 he cylinder head is d11f1cul1 10 hfl off. pry
woih a screwdrover be1ween 1he head and
block.
Remove 1he valves arid sprongs w11h SST
SST lo9202·430t2)
& Arrango 1h e valves in co rrec1 order.
3
Fig. 3-11
Fig. 3· 12
Fig. 3· 13
Fig. 3· 14
ENG I NE SERVICE - Cy li nder Head
INSPECTION & REPAIR
Cylinder Head
3 - 7
I Clean 1he combusuon chamber and
remove any
gaske1 ma1oroal from lhO
manifold and hoad surface
Check lhe cylonder head lor crac ks or
ex
cessively burnt valve surfaces
Usmg a prec1s1on siraoght edge and 1h1ck
ness gauge. check the cylinder hoad
under surface and
manifold mounting sur·
face for warpage.
If warpage exceeds 1hc lon111. corrcc1 11 by
machining. or replace l he head
Cylinder head surface
worpoge:
Limit 0.15 mm
(0.0059 In.)
Manifold nlounting surface wnr ·
page:
Limit 0. 10 mm
(0. 0039 in .)
Maximunl reface :
Limit 0. 20 mm
(0. 0079 In .I
Clean 1he cyhnder block upper surface
Check the cyhndor block (Refer Fog 3· 107
10 3·111)