Section 5 – PERIODIC MAINTENANCE
Mini-Crawler Crane M A E D A
5-46 1/2019 MC285C-3
9. Flush it with cleanser.
NOTICE: Cleaning with the cleaning agent must
conform to instructions provided on the cleaning
agent.
10. Open the drain valve (4) to drain the cleaning
agent after cleaning with the agent. Close the
drain valve (4) upon completion of draining.
11. Supply tap water to the radiator through the
radiator supply port.
The radiator needs to be filled up to the supply
port.
12. Start the engine with the drain valve (2) open,
and ensure the engine runs at low idle.
Conduct a cleaning with running water until
clean water flows out of the radiator.
CAUTION:
• The radiator is to retain a high water level
during cleaning with running water. Adjust
the quantities of water supplied and drained
as necessary.
• Ensure that the water filling hose stays
connected to the radiator supply port
properly during cleaning with running water.
13. Once clean water has flowed out, stop the
engine and water supply and drain tap water.
Close the drain valve (4) upon completion of
draining.
14. Supply coolant mixed of antifreeze and tap
water to the radiator through the radiator
supply port. The radiator needs to be filled up
to the supply port.
NOTICE:
See the above-mentioned table, “Mixing ratio
between water and antifreeze”, for the mixing ratio
of antifreeze and tap water.
15. Start the engine with the radiator cap (3)
removed, and ensure the engine runs at low
idle for 5 minutes. Release air from the
cooling system with the engine at high idle for
5 minutes.
Fig. 5-80
16. Wait for 3 minutes after stopping the engine.
Supply tap water to the radiator through the
radiator supply port, up to the supply port.
Close the radiator cap (3).
17. Remove the reserve tank (1). Clean the
inside of the reserve tank with coolant
drained from the tank.
18. Put the reserve tank (1) in place, supply tap
water through the supply port to “FULL”.
Install the cap (2) properly.
19. See “Installing Machinery Cover” on page
5-14 and install the machinery cover.
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