AIR
CLEANER
MANIFOLD
HEATER
GLOW PLUG
CRANKCASE
BREATHER TUBE
FUEL
RETURN LINE '
FUEL FILTER
SEDIMENT
BOWL
PRIMARY
FUEL FILTER
INJECTION
NOZZLE
INJECTION
PUMP
— SECONDARY
FUEL FILTER
STARTING
MOTOR
STARTING
MOTOR
SOLENOID
BATTERY
POSITIVE
BATTERY
NEGATIVE
12-V. BATTERY
FIGURE 4. FUEL SYSTEM
IMPORTANT: Do not use galvanized lines, fittings or
fuel tanks. Carefully clean all fuel system components
before putting the engine into operation. Any dirt or
contamination may cause major damage to the fuel
injection system.
Beginning with Spec S, a new fuel filtration system
accommodates both primary and secondary fuel filters
on a common mounting casting which is bolted to a
newly designed oil fill tube. The engine cannot be run
with either filter loose or missing, thus ensuring proper
filtration at all times.
BATTERY
Mount the batteries on a wood or metal rack near the
engine. Air circulation around the battery is essential.
Use number 2 battery cables of the proper length to
FIGURE S. SOLENOID WIRING
limit voltage drop. Coat connections on the battery with
vaseline to prevent corrosion.
BATTERY
CONNECTIONS
Batteries for engines equipped with optional flywheel
alternators must be negatively grounded. A 30 amp fuse
protects the rectifier should the battery be connected
with reverse polarity (Figure 6). On early models
with-
out fuse, destruction of the rectifier will result.
Connect the remaining battery cable to the larger ter-
minal on the starting motor solenoid (Figure 5).
OIL
DRAIN
EXTENSION
For service convenience, install an oil drain exten-
sion made from standard pipe and fittings, in the 1/2"
pipe tapped oil base drain hole.
STATOR
FUSEHOLDER WITH
30-AMPERE FUSE
ROTOR
REGU LATOR-RECTIFIER
ASSEMBLY
CONNECTOR
FIGURE 6. FLYWHEEL ALTERNATOR (BEGINNING WITH SPEC T)
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