CARE AND MAINTENANCE
6 - 5
XL-45 12011M
Coolant Level Verification
The cooling system is completely filled when the
coolant (cold) is visible in the sight glass of the
surge tank (see page 2-28 for location). If top-
ping-up is necessary, fill the system with the
same mixture ratio already used in the system.
Warning: Hot engine coolant is under pres-
sure. Never remove cap when coolant is hot as
severe burns can result. Allow engine to cool
before checking coolant level.
Water Separator (Optional)
A fuel filter/water separator may be installed in
engine's primary fuel filter location, in engine
compartment, to prevent water infiltration in en-
gine fuel system. It should be drained periodi-
cally, or when the water separator indicator lamp
lights on dashboard. To drain, loosen self venting
drain below separator, and tighten after water has
been flushed out.
03004
Belt Tensioners
Air-operated Type
Belt tensioning is applied through air bellows
which are adjusted by an air pressure regulating
valve mounted in engine compartment above the
doors. For proper operation of the air bellows,
adjust the upper tensioning bracket to provide a
2 3/8"-2 1/2" (60-64mm) extension with the pneu-
matic system under normal pressure and the
pressure regulating valve set at 50 psi (345 kPa).
12017
For belt replacement, air pressure must be re-
leased from bellows by means of the belt tension-
ing pressure control valve. This valve (see page
2-28) mounted above the engine doors close to
the pressure regulating valve, is manually oper-
ated. Before handling, be sure that all engine
stopping safety precautions have been observed.
12018
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