TM 5-3895-346-14
PREVENTATIVE MAINTENANCE
ENGINE OVERHAUL
Figure 9. Item 19
Figure 8. Item 16
Item 18 Engine (Steam Clean)
Steam clean the engine and engine compartment.
CAUTION
Do not apply steam or solvent directly on the battery charging generator/alternator,
starting motor or electrical components as damage to electrical equipment may
result.
Item 19 Radiator
Inspect the exterior of the radiator core every 12 months or 20,000 miles (700 hours) and, if necessary, clean it
with a quality grease solvent such as mineral spirits and dry it with compressed air. DO NOT use fuel oil,
kerosene or gasoline. It may be necessary to clean the radiator more frequently if the engine is being operated
in extremely dusty or dirty areas.
Item 20 Shutter Operation
Check the operation of the shutters and clean the linkage and controls.
Item 21 Oil Pressure
Under normal operation, oil pressure is noted each time the engine is started. In the event the engine is
equipped with warning lights rather than pressure indicators, the pressure should be checked and recorded
every 700 hours or 20,000 miles.
Item 22 Governor
Check and record the engine idle speed and no-load speed. Adjust as necessary.
An idle speed lower than recommended will cause the engine to be accelerated from a speed lower than the
speed at which the engine was certified.
A no-load speed higher than recommended will result in a full-load speed higher than rated and higher than the
speed at which the engine was certified.
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