PREVENTIVE MAINTENANCE
4012/16 Diesel, February 1997 6
1
SCHEDULE FOR ENGINES IN STAND-BY DUTY
For engines which are in use for a total of less than 400 hours in every twelve months, the
schedule below must be used:
The preventive maintenance operations must be applied at the interval (hours or months)
which occurs first.
A Monthly
B 3 Months
C Every 200 hours or 6 months
D Every 1,000 hours or 12 months
NOTE: All bolts, hose clips, terminal connections, pipes and joints must be checked for
tightness and leaks every 3 months unless stated otherwise.
* By a person who has had the correct training.
A B C D Operation
● Check the amount of coolant
● Check the lubricating oil level
●
Check the restriction indicators for the air filters and, when
necessary, renew the filter elements
●
Start and run the engine on lad until normal temperature of
operation is reached
● Drain any water/sediment from the primary fuel filter
● Check the condition and the tension of all drive belts
● Check the specific gravity and the pH value of the coolant
● Renew the lubricating oil and filter
● Check radiator air restriction (visual)
● Clean centrifugal oil filter
● Renew the canister of the main fuel filter
●
Ensure that the fuel injectors are checked and corrected or
renewed, if necessary*
● Equalise bridge pieces and check valve clearances