DIESEL ENGINE
05
SERIES
WSM,
01640
Factory
spec.
Compression pressure
ENGINE
BODY
2.84
to
3.24
MPa
29
to
33 kgf/crn2
412
to
469 psi
2.26
MPa-
CHECKING
AND
ADJUSTING
Allowable
lirnlt
Compression Pressure
1.
After warming up the engine, stop it and remove the air cleaner,
the muffler and all nozzle holders.
2.
Install a compression tester (Code
No:
07909-30204)
for diesel
engines to nozzle holder hole.
3.
After making sure that the speed control lever is set at the stop
position (Non-injection), run the engine at
200
to
300
rpm with
the starter.
4.
Read the maximum pressure. Measure the pressure more than
twice,
5.
If
the measurement is below the allowable limit, check the
cylinder, piston ring, top clearance, valve and cylinder head.
6.
If
the measurement is below the allowable limit, apply
a
small
amount
of
oil to the cylinder wall through the nozzle hole and
measure the compression pressure again.
7.
If
the compression pressure
is
still less than the allowable limit,
check the top clearance, valve and cylinder head,
8.
If
the compression pressure increases after applying oil, check
the cylinder wall and piston rings.
I
NOTE
Check the Compression pressure with the specified valve
Always use
a
fully charged battery
for
performing this test.
Variances in cylinder compression
values
should be under
Ot64OP1
clearance.
10
%.
23 kgf/cmz
327 psi
11900s10011
s-73
Redistribution or publication of this document,
by any means, is strictly prohibited.
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