Komatsu 114E-3 Series, Руководство по ремонту, Страница: 325 / 342

50 Disassembly and assembly SEN00464-01
114E-3 Series
17
2) Tightening order of bolts
1]
Install lock plate (1).
2] Tighten the bolts in the numerical
order shown below: [1]
→
[8]
3
Mounting bolt:
137 ± 7 Nm {14.0 ± 0.7 kgm}
3) After installing the flywheel, measure the
radial runout and facial runout with tool
L .
a
Radial runout: Max. 0.13 mm
a
Facial runout: Max. 0.20 mm
q
Measuring radial runout
1) Install tool
L to the flywheel housing.
2) Set the probe of the dial gauge per-
pendicular to spigot joint portion ( a ) or
periphery of the flywheel.
3) Rotate the flywheel by 1 turn and
measure the difference between the
indicated lowest and highest values.
a
After the flywheel is rotated by 1 turn,
check that the dial gauge indicates
the value at the start of rotation.
q
Measuring facial runout
1) Similarly to measurement of the radial
runout, set the probe of the dial
gauge perpendicular to end face (
b )
of the flywheel near the periphery.
a
When measuring, bring the
crankshaft to the front or rear
side so that an error will not be
caused by the end play.
2) Rotate the flywheel by 1 turn, and mea-
sure the difference between the indi-
cated lowest and highest values.
19. Starting motor assembly
1) Apply string ( A ) of gasket sealant 1 mm in
diameter.
2
Both sides of gasket:
Gasket sealant (LG-7)
2) Fit the gasket and install starting motor
assembly (1) and spacer (2) with bolt (3)
and nut (4).