MMD Equipment 185S-5C2 part 2 - Manual (Page 7)

5. Periodic Inspection/Maintenance
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5.5.2 Change engine oil filter
[At 50 hours for the first change and at every 500 hours thereafter]
＜ Procedure＞
① Remove the cartridge“1”, using a filter wrench.
② Screw in the new cartridge“2”with the packing coated
slightly with oil. (See 5.4)
③ After the packing touches the sealing face, further tighten
it by turning it 3/4 time with the filter wrench.
④ After installing the oil filter, check it for any leak during
operation.
5.5.3 Check battery
electrolyte
[Every 250 hours]
If there seems to be a problem in starting an engine due to a flat battery, carry out the checks by
following the procedures below:
1. Ordinary type battery:
Check battery electrolyte level and if the level is not within the specified level, add distilled
water.
Measure specific gravity of battery electrolyte, and if it shows below 1.24, recharge the battery
immediately.
Refer to 6.1. for method of specific gravity measurement and recharging the battery.
2. Enclosed type battery:
Check the indicator on top surface of the battery.
If the indicator shows that charge is needed, recharge the battery immediately.
5.5.4 Check and clean air filter element
[Every 250 hours]
Clogged or cracked or pitted element could allow entrance of dust into engine and compressor to
cause earlier wear of moving parts. Periodical inspection and cleaning of element should be per-
formed to maintain life of compressor and engine long.
＜ Procedure＞
① After removing the cap“1”by loosening its latch“2”, clean
its interior properly.
② Remove the element“3”, and clean it.
③ When installing the cap“1”after finishing the cleaning job,
push the element into the case“4”surely by hand, and
then make sure that the latch“2”fixing the cap surely
hooks the case“4”. Finally tighten it.
④ If the element is found heavily dusty, replace it with a
new one. (See 5.4)
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Cleaning of Air Filter Element should be perfectly performed
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