M A E D A Mini-Crawler Crane Section 5 – PERIODIC MAINTENANCE
1/2019 MC285C-3 5-41
4. Place a container to collect the drained fuel
directly underneath the drain plug (P) of the
engine lower part.
Fig. 5-68
5. Turn the drain plug slowly to avoid splashing
oil on yourself, and drain oil.
6. Check the drained oil and if it contains an
unacceptable amount of metal particles or
foreign matter, contact our sales service
agency.
7. Reinstall the drain plug and the cover.
8. See “Removing Machinery Cover” on page
5-14 and remove the machinery cover.
9. By means of filter wrench, turn filter cartridge
(3) counterclockwise (left) to remove it.
Fig. 5-69
NOTE: Wait for about 10 minutes before removing
the filter cartridge because, plenty of oil comes out
if it is done immediately after stopping the engine.
10. Clean the filter base and reinstall a new filter
cartridge after coating its packing and
threaded portion with clean engine oil (or
lightly with grease).
NOTE: When reinstalling the filter cartridge,
tighten it 3/4 of a turn after the packing surface
touches the sealing surface of the filter base. Be
sure to do it manually.
11. After replacing the filter cartridge (3), feed
engine oil through filler port (F) to the
specified level.
12. Pull the oil level gauge (G) out and wipe the
oil with a disposable cloth.
13. Insert the oil level gauge into the filler port
and pull it out again.
14. Make sure that the oil level is between the
markings “H” and “L” on the oil level gauge.
Fig. 5-70
15. Securely install the oil level gauge and filler
cap after changing the oil.
16. Start and run the engine at idle for approx. 3
minutes and stop the engine.
17. Check the oil level again 10 to 20 minutes
after the engine has stopped and make sure
that the oil level is between the markings “H”
and “L” on the oil level gauge.
18. See “Installing Machinery Cover” on page
5-14 and install the machinery cover.
19. See "OUTRIGGER STOWING" on page 4-48
to stow the outriggers.
Replace Fuel Filter
WARNING! Be extremely careful of fire such
as cigarettes when replacing the fuel filter.
WARNING! Various part are at elevated
temperatures immediately after engine
operation. Do not proceed with fuel filter
replacement immediately but wait for the
engine to cool to the extent that you can touch
it with your hand.
WARNING! Work of disconnecting the fuel
hose occurs during the work. Have a
container ready to collect the drained fuel so
that fuel in the fuel hose does not splash to
the surroundings.
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