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11.
MAINTENANCE
and
STORING
The following maintenance jobs apply when the engine is operated correctly under normal conditions. The indicated
main-
tenance intervals are by no means guarantees for maintenance free operations during these intervals.
For
example, if the engine
is
operated in extremely dusty conditions, the air cleaner should be cleaned every day instead
of
every
50
hours.
11
-
1
DAI
LY
CHECKS
and
MAINTENANCE
I
I
Checks and maintenance
Remove dust from whatever parts which
Check external fuel leakage. If any, retighten
or
replace.
Check screw tightening. If any loose one is found,
re-tighten.
1
Check
oil
level
in
crankcase and add up as necessary.
11-2
EVERY
25
HOURS
CHECKS
and
MAINTENANCE
Reasons for requiring them
I
To
be
contaminated with dust when disassembling each
Not
only
wasteful but .also dangerous
Loose screws and nuts will result in vibration
accidents.
If the engine is operated without sufficient oil,
it
will
fail.
Checks and maintenance
Reasons for requiring them
Change crankcase
oil.
To
remove run-in wear particles
11-3
EVERY
50
HOURS
(IO
DAYS) CHECK
and
MAINTENANCE
Checks and maintenance
Reasons for requiring them
Change crankcase
oil.
If
the engme is operated without sufficient
oil,
it
will
fail.
Clean
oil
filter.
Contaminated oil accelerates wear.
,
11-4
EVERY
100
-
200
HOURS (MONTHLY) CHECKS
and
MAINTENANCE
Checks
2nd
maintenance
If
the fuel
is
contaminated, engine will be out
of
order,
Clean fuel
filter
and fuel tank.
Reasons for requiring them
and injection pump as well
as
nozzle are seized.
Clean air filter,
and
replenish engine
oil.
Clogged air filter and shortage
of
oil
will cause engine
trouble and make engine life shorter.
Check and adjust
valve
clearance.
Engine will be out of order.
Check and clean nozzle.
The engine output drops.
-45
-