OPERATION
CRANKCASE
OIL
Use an oil with the API designation CD/SE orCD/SD.
However, to reduce oil consumption to a normal level
in the shortest time possible on a new or rebuilt
engine, use CC oil for the first fill only (50 hours).
Then use the recommended oil only. Select the
correct SAE grade oil by referring to the following.
TEMPERATURE
GRADE
Above 30°
F
SAE 30
0°
F
to 30°
F
SAE 10W or 5W-30
Below 0
o
F SAE 5W-30
Multigrade oils are recommended fortemperatures of
30°
F
and below, but they are not recommended for
temperatures above 30
o
F. When adding oil between
oil changes, it is preferable to use the same brand as
in the crankcase. Various brands of oil may not be
compatible when mixed: together.
If the oil supply in your
local
area still
has
the
API
designations ML,
MM,
MS,
DC,
DM and
OS,
use
an
oil with the
DS
designation which
has passed the Series 3 Test and at least Sequence 1 of the
Automotive Manufacturer's MS Sequence Tests. To reduce oil
consumption to a normal level In the shortest time on a new or
rebuilt engine, use
DG
or
DM
oil (passing the
MS
Sequence Tests)
for the first fill only
(SO
hours).
Then use the recommended
oil.
See
SERVICE AND MAINTENANCE
seciion
for suggested
oil
changes.
OIL
BATH AIR
CLEANER
(Optional)
Use the same grade of oil in the air cleaner as is used
in the crankcase. The proper level is marked on theair
cleaner.
RECOMMENDED
FUEL
Use ASTM 2-D or 1-D fuel with a minimum Cetane
number of 45*. Number 2 diesel fuel gives the best
economy for most operating conditions; however,
use ASTM 1-D fuel during the following conditions:
1.
When ambient temperatures are below 32°F.
2.
During long periods of light engine
load;
or no
load.
"Fuels with Cetane numbers higher than 45 may be needed in
higher altitudes or when extremely low ambient temperatures are
encountered to
prevent,
misfires.
Use low sulfur content fuel having a pour point (ability
to filter) of at least 10
o
F below the lowest expected
temperature. Keep the fuel clean and protected from
adverse weather. Leave some room for expansion
when filling the fuel tank.
CAUTION
Due to the precise tolerances of diesel injec-
tion
systems,
Itis extremely important
the
fuel
be kept
clean.
Dirt in the system can cause severe damage to both
the injection pump and the Injection nozzles.
INITIAL
START
Check the engine to make sure it has been filled with
oil and
fuel.
If necessary to prime a dry fuel system,
return the priming lever to the disengaged position
after priming. For more detailed starting information
see Starting Guide, page 48.
This unit has been mn and tested for approximately four hours at
the factory. Additional break-in time is required and will vary
depending upon load conditions, oil used, etc.
Run as follows:
1.
No load 15-20 minutes
2.
One-third load 30 minutes
3. Two-thirds load 2 to 3 hours
Then regular operation can be resumed. Avoid light
load operation during the following several hours for
best ring seating to control oil.
STARTING
1.
When starting a cold engine in ambients above
.55
0
F,
preheat for 20 seconds.
2.
Continue to hold preheat switch:
a. Push the fuel solenoid to its ON position.
b. Press the START switch.
3. Release start switch after engine starts and
reaches speed.
4.
Oil pressure should read at least 20 psi. Pressure
relief valve is not adjustable.
When starting at temperatures below 55° F, or under
high humidity conditions, referto suggested starting
aids in Low Temperatures paragraph.
When restarting engine after short periods of shut-
down,
preheating is usually not necessary.
STOPPING
Disconnect as much load as practical from the engine
before shutdown. .Push the fuel solenoid switch to its
OFF position (this de-energizes thesolenoid, closing
the throttle).
CAUTION
Carbon in the exhaust system will occur in
diesel engines operated consistently at light
loads.
Occasionally operate engine at full load (or about five
minutes before stopping) to clean out the exhaust system.
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