SERVICE
AND
MAINTENANCE
Before engine
is put in
operation, check
all
components
for mechanical security.
If an
abnormal condition,
defective part,
or
operating difficulty
is
detected,
re-
pair
or
service
as
required.
See
Figure
7 for
service
ENGINE
ROUTINE
CHECK
CHART
and maintenance instructions.
The
engine should
be
kept free
of
dust, dirt,
and
spilled
oil or
fuel.
Be
sure
proper operating procedure
is
followed.
What
To Check
How
To Check
Precautions
Engine oil
Check
level
(should be at
full
mark on
indicator).
Add
oil as
necessary
to
bring
level
to
full
mark.
Do not
overfill.
Engine
fuel
Check
level
in tank.
See that
fuel
lines are properly connected.
Engine
ventilation
r
Check
ventilating
openings.
Remove any obstructions.
Connecting
cables
Check for proper connections.
Check for physical
damage.
Tighten
connections.
Replace
damaged connectors.
Battery
Check electrolyte
level.
Keep
level
above
plates.
Add
only
distilled
water as
necessary.
MAINTENANCE
SCHEDULE
Use this factory recommended maintenance (based
on
favorable operating conditions)
to
serve
as a
guide
to
get long
and
efficient engine life. Neglecting routine
maintenance
can
result
in
failure
or
permanent damage
to
the
engine.
OPERATOR
MAINTENANCE
SCHEDULE
Maintenance
is
divided into
two
categories:
(1)
Operator
Maintenance
-
performed
by the
operator,
and (2)
Criti-
cal Maintenance
-
performed
by
qualified service
personnel.
CRITICAL
MAINTENANCE
SCHEDULE
MAINTENANCE
ITEMS
OPERATIONAL HOURS
MAINTENANCE
ITEMS 8
50 100
200
600
3000
Inspect Engine
X
Check Fuel
x3
Check
Oil
Level
X
Check
Air
Cleaner
xl
Clean Governor Linkage
xl
Change Crankcase
Oil
xl-2
Drain Condensation Traps
x3
Check Battery
x
Replace
Oil
Filter
xl
Clean Crankcase Breather
x
Change Primary Fuel Filter
x3
Change
Sec.
Fuel Filter
X
MAINTENANCE.
ITEMS
OPERATIONAL HOURS
MAINTENANCE.
ITEMS
500 1000
2000 5000
Check Valve Clearance
Replace Secondary Fuel Filter
x3
Clean Engine
X
Clean Rocker
Box Oil
Line
Holes
X
Inspect Valves, Grind
if
Necessary
X
Remove
and
Clean
Oil
Base
X
Check Injection Nozzles
x6
General Overhaul
x5
xl
-
More often under extremely dusty conditions.
x2
-
CD/SE
or
CD/SE
oil
preferred.
Use CC oil
first SOhours
for break-in.
x3
-
Water
or
foreign material
in the
fuel
can
ruin
the
injec-
tion system.
If
daily inspection shows water
or
excessive
dirt
in
primary filter bowl, fuel handling
and
storing
facilities should
be
checked
and
situation corrected.
Primary fuel filter must
be
cleaned
and
secondary fuel
filter replaced following correction
of
fuel contamina-
tion problem.
x4
-
Tighten head bolts
and
adjust valve clearance after
first SOhours
on a new or
overhauled engine.
x5
- Or as
required.
x6
-
This service must,
be
performed
by
trained diesel
injection equipment personnel with suitable test facili-
ties.
Omit this service until these conditions
can be
met.
For
any
abnormalities
in
operation, unusual noises, loss
of power, overheating,
etc.,
contact your Onan dealer.
12
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