Yanmar YM155d Service Manual page 64

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d-iption
1 ) No. 1 cylinder (flywheel ridecylinderl
is set t o the TDC where there ir comprer-
rion.
[The TDC where there is compression is
the point when the stamped mark o f the
crankrhaftlv-pulley is aligned with the
Pointer of the gear case, and neither
intake nor exhaust valves move.)
2) The adjusting screw is loosened, clear-
ance is adjusted t o 0.0078 in. 10.2 mm)
(for both intake and exhausti, and after
adjustment, tightened
once
again.
3) The valves for No. 2 cylinder are also
adjusted t o clearances o f 0.0078 in (0.2
m m l after turning the engine exactly 180
from the TDC for No. 1 cylinder where
there is comprerrion.
11 A.C. geneator
2) Cooling fan
[The fan belt should be rightened to the
point where it may be pressed down by
the fingers 0.4-0.6 i n (10-15 m m i at a
point midway beween The generator
pulley and rhe fan shaft.]
31 Radiator front axle bracket
41 Starter motor
5) A ir cleaner
6) Exhausr muffler
10.
11.
Item
Valve clearance
Radiator
Tightenirg torque
ft.lbr k g - m i
lllunration
'Y
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