
25
Maintenance
1
10 mm
This chapter contains instructions regarding how the above maintenance points should be carried out together
with general technical information. Read the instructions carefully before starting work. Maintenance intervals are
contained in the chapter above. Maintenance schedule
WARNING! Read the safety precautions for maintenance and service in the chapter: Safety Precautions,
before starting work.
WARNING! Unless otherwise specified all maintenance and service must be carried out with the engine
stopped. Stop the engine before opening or removing engine hatches. Immobilize the engine by removing
the ignition key, turning off the power supply with the main switch.
Engine, general
Air Cleaner (ACL). Cleaning
Clean the filter when necessary by cleaning it with a
soap solution. Rinse afterwards in clean water.
Squeeze out the filter and allow to dry.
MD2020, MD2030, MD2040: Remove the hose clamp
(1) and remove the filter. Remove the spring inside the
filter. Clean the filter.
IMPORTANT! Take care that no contaminants
enter the engine.
Drive belt. Check
The belt drives both the circulation pump and the
generator. A belt that is too loose can result in slip-
page, poor cooling and poor charging. A belt that is
too tight can damage the bearings in the circulation
pump and damage the generator.
Check the tension of the belt regularly. Adjust as
required. Check that the belt is not cracked or dam-
aged. Replace a worn belt. Keep a spare belt on-
board.
Adjustment and replacement: See next page.
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