Key Switch; Pre-Heating The System - Shibaura ST450 Operator's Manual

SECTION 2 – OPERATION

KEY SWITCH

The key switch (1) in figure 2-9, is located on the
right-hand side of the console, just below the
hand throttle. Turning the key clockwise, to the
"ON" position, activates the warning lights and
instruments. The pre-heat system is activated
when the key is turned farther clockwise to the
"HEAT" position, and the engine starts when the
key is turned to the extreme right. The key spring
returns to the "ON" position when released.
1
Figure 2-9

PRE-HEATING THE SYSTEM

Your tractor has a diesel engine. Before starting a
ON
cold engine, the pre-combustion chambers must
OFF
HEAT
be heated.
To pre-heat the engine, turn the key switch to the
START
"HEAT" position and hold the key in this position
for approximately 5 seconds. The glow plugs heat
the pre-combustion chambers during this time,
and the engine will start.
NOTE: When ambient temperatures are colder, a
longer pre-heat time is necessary. Even after the
cold start indicator light has gone out, the glow
plugs will continue to heat if the key is held in the
"HEAT" position.
Figure 2-10
WARNING
Do not use ether with the thermostat starting aid.
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