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24. SERVICE
PROCEDURE
24.12
SEASONAL
PREPARATION
24.12.1
GENERAL
Proper maintenance and mechanical efficiency is enhanced during seasonal air
temperatures
changes, when the following instructions are followed.
24.12.2
OUTSIDE SOURCE OF HEAT
Machines left outside for prolonged periods in sub-zero weather will suffer from
cold-soak. Lubricants become viscous and incapable of lubricating moving parts.
Extreme wear could result to the engine, transmission
and final drives unless
proper precautions are taken.
A source of outside heat is necessary under these conditions. There are electric
as well as propane-fired
engine coolant heaters available. Gas-fired forced air
heaters may also be obtained to heat the transmission
and final drives. When
using such, be sure to follow the manufacturers
instructions for personal safety.
instructions
when using
external heaters to warm the power train in cold weather.
24.12.3
LUBRICATION
Lubricate and service your machine at intervals specified in 23.1 MAINTE-
NANCE
SCHEDULE
CHART.
Service performed
at specified
intervals
will
prolong the life of the machine. Refer to 20.1 PROPER SELECTION OF FUEL,
COOLANT
AND LUBRICANT.
Always select oils and lubricants specified at
Anticipated Air Temperature
when making seasonal preparations.
24.12.4
FUEL SYSTEM
For details of the fuel to use, see 20.1 PROPER SELECTION
OF FUEL,
COOLANT AND LUBRICANT.
24.12.5
COOLING SYSTEM
Prepare the cooling system as follows:
Check the entire system for leaks.
Inspect the condition of all hoses and replace the hoses and hose clamps
as necessary.
Check the operation of the thermostat by observing the engine coolant
temperature gauge on the instrument panel during operation. If the engine
warms up slowly, the thermostat may be stuck in the open position. If the
engine overheats, the thermostat may be inoperative by remaining closed.
REMARK
If improper thermostat operation is indicated, refer to your Engine Shop
Manual for removal and installation procedures.
3-66
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