DETROIT DIESEL
Preventive Maintenance
Item 15
all dust after the cleaning operation. If the slip rings are
rough or out of round, replace them.
Item 17
Inspect the terminals for corrosion and
loose
temperatures above +30F., use a No. 2 grade grease.
connections and the wiring for frayed insulation.
Use a No. 1 grade grease below this temperature.
Lubricate all other control mechanisms, as required, with
Item 16
engine oil.
Check the specific gravity of the electrolyte in each cell
of the battery every 100 hours or 3,000 miles. In warm
Item 19
weather, however, it should be checked more frequently
There is no scheduled interval for performing an engine
due to a more rapid loss of water from the electrolyte.
tune-up.
As long as the engine performance is
The electrolyte level should be maintained in
satisfactory, no tune-up should be needed. Minor
accordance
with
the
battery
manufacturer's
adjustments In the valve and injector operating
recommendations.
mechanisms, governor, etc. should only be required
periodically to compensate for normal wear on parts.
Item 17
Lubricate the tachometer drive every 100 hours or 3,000
Item 20
miles with an all purpose grease at the grease fitting. At
New drive belts will stretch after the first few hours of
temperatures above +30F., use a No. 2 grade grease.
operation. Run the engine for 15 seconds to seat the
Use a No. I grade grease below this temperature.
belts and readjust the tension. Then check the belts and
retighten the fan drive, pump drive and battery charging
Item 18
alternator drive belts after 1/2 hour or 15 miles and
Lubricate the throttle control mechanism every 200
again after 8 hours or 140 miles of operation.
hours or 6,000 miles with an all purpose grease. At
Thereafter, check the tension of the drive
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