PRE-HEATING AND STARTING
Extremes
in
starting temperatures may require ad-
ditionalpreheating. Ifenginefailstostartquickly, rest
engineseveralseconds and repeatstartingsequence.
CAUTION
If
enginedoes notstartonfirstattempt,check
fuel system. Limit pre-heating to one minute
periods: longer periodscan ruin the heater elements.
.1.
2.
3.
4.
For cold engine starting below
55"
F
(13" C),
depress manifold heater switch for one minute
only.
PushSTART-STOPswitchtoitsSTARTposition.
Releaseswitches after engine starts and reaches
speed.
Oil pressure should read at least20 psi (pressure
relief valve is not adjustable).
On"standard" model, depress preheat switchfor one minute and
thenpushstartswitch. Bothswitchesmustbeengagedforstarting.
Do not apply overvoltage to the starting
circuit at any time. Overvoltagewill destroy
the glow plugs and air heater in
2
to
3
seconds.
If
it becomes
necessary to use an additionalsource of power to startthe set
-
use a
12
volt battery connected in parallel.
AUTOMATIC STARTING AND STOPPING
Optionalcontrolsmaybeusedfor automaticstartand
stop, but must provide engine preheating.
The automatic control should haveatimedelay relay
to preheat glow plugs and the manifold heater for
about 20 seconds before cranking occurs. The time
delay relay prevents immediate engagement of the
starter incasethe load is reappliedbeforetheengine
stops.
STOPPING
1. Push fuel solenoid switch to
stop
position.
2.
Releaseswitch when set stops. Ifstop circuitfails,
close fuel valve.
APPLYING LOAD
If
practicable, allow engine to warm up before
connecting a heavy load. Continuous overloading
causes highoperatingtemperatures thatcandamage
the engine. The exhaust system may form carbon
deposits during operation at light loads; apply full
load occasionally before shut-down to prevent ex-
cessive carbon accumulations.
Try to connecttheloadinsteps insteadof full loadat
one time.
EXERCISE
Infrequent use results in hard starting. Operate at
least
30
minutes each week. Run longer if battery
needs charging.
BREAK-IN PROCEDURE
The unit should be run inthe following sequence:
1. One half hour at 1/2 load.
2.
One half hour at
3/4
load.
3. Full load.
Continuous running under one half load during the
first few hundred hoursusually resultsinpoorpiston
ring seating, causing higher than normal oil con-
sumption and blowby.
Drainandreplacethecrankcaseoilafterfirat
50
hounofoperation;
drain while the englne Is stlll hot.
INSPECTION
Check for alignment of engine and load. Misalign-
ment will cause excessivevibrationandbearingwear.
Make a visual inspection of the entire installation.
VENTILATION
Good ventilation is needed to cool theengine andto
support combustion. Avoid recirculation of ven-
tilating air. See
SPEClFlCATlONS
for air flow re-
quirements and vent sizes.
Utilizing exhaust heat to warm a room or
compartment occupied by people is not
recommendeddue to possible leakage of exhaustgases.
EXHAUST GASES ARE DEADLY
71
POISONOUS!
EXHAUST
Pipeexhaust gas outsideany enclosure
-
exhaust gas
is poisonous. Exhaust pipes must notterminatenear
inlet vents. Avoid sharp bends. Use sweeping, large-
radius elbows. Use a section of seamless, flexible
tubing between the engine and any rigid pipe to
restrict vibration. Increase exhaust pipe one sizefor
each additional
10
feet (304.8 cm) in length.
BATTERIES
Check the condition of the starting batteries at least
every two weeks. See that connectionsareclean and
tight. A light coating of non-conductive grease will
retard corrosion at terminals. Keep the electrolyteat
the proper level above the plates by adding distilled
water. Checkspecific gravity; rechargeifbelow1.280.
DUST AND DIRT
1. Keep radiator free of dirt, etc.
2. Service air cleaner as frequently as necessary.
3. Change crankcase oil every
50
operating hours.
4. Keep
oil
and fuel in dust-tight containers.
5.
Keep governor linkage clean.
HIGHALTITUDE
Maximum power will be reduced approximately
4
percent for each
1000
feet (310 m) above sea level,
after the first
1000
feet (310 m).
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