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MAINTENANCE
General Maintenance
Surge Tank Models
1 Remove the pressure cap and fill the recovery tank with properly
mixed coolant to the maximum indicated mark.
2 Elevate the front end of the machine slightly to aid in bleeding of the
heat exchangers.
3 R emove the bleed screw from the water outlet manifold and/or the
thermostat housing. Allow the coolant to bleed through the system
until it runs out the bleed holes. Reinstall the bleed screw into the
manifold.
4 F ill the recovery tank to the maximum indicated mark.
5 Start the engine and run at a fast idle for two to three minutes.
Occasionally loosen the bleed screw to purge any trapped air in the
system.
6 Shut off the engine and check the recovery tank level. Fill as required.
7 Feel the heat exchangers under the running boards. If the system is
bled properly, they’ll be warm to the touch. If they’re not, repeat step
5 Lift the front of the machine slightly to assist in the bleeding.
8 R eplace the pressure cap an d carefully lower the front end of the
machine.
Most cooling systems are equipped with a filter that should be
periodically ins pected or replaced. If coolant flow becomes
restricted or plugged, c oolant loss, air l ock or engine damage may
result.
CAUTION