Engine Controls and Instruments
The engine control panel (fig. 2-9) is located on the
Operator(s) must be alert for leaking and
roadside of the semitrailer, above the piping assembly
malfunctioning equipment. Stop all servicing
(figs. 2-11 and 2-12). Control functions and gage readings
are explained in the following paragraphs.
operations Immediately at the first sign of
leaks or malfunctions. Corrective action must
a. Preheater Switch. Connects battery voltage to glow
be performed by qualified technicians before
plugs in engine intake manifold to preheat the engine.
resuming any operations.
(Engine switch, item b, must be in RUN position.)
b. Engine Switch. In RUN position, energizes engine
e. Spills and Leaks. All spills must be cleaned up
electrical system and fuel pumps to permit engine
immediately. Suitable containers must be placed under
operation. STOP position cuts off fuel supply and stops
hose connections and similar locations to collect leakage
c. Indicator Light. This should turn on when
f. Vapor Recovery. A vapor recovery kit can be
Preheater Switch is turned to ON position. If light does
installed on all models (para 1-9). The arrangement of the
not come on, it indicates there is no current flow to the
manifold heaters and glow plugs.