Service and cleaning
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Testing and inspection work
Coolant expansion tank of the propulsion engine
1 Pressure cap of the expansion tank
Check coolant
The propulsion engine coolant must be checked at room temperature.
► Open pressure cap of the expansion tank.
► Check coolant.
The coolant level must be between the top and bottom markings.
► If the coolant level is too low, add coolant.
Refer to chapter "Replace coolant".
For the corresponding coolant, refer to chapter "Lubrication ta-
ble".
Coolants may not be mixed together.
The coolant has been checked.
Check temperature resistance
► Open pressure cap of the expansion tank.
► Check temperature resistance with a coolant tester.
The temperature resistance should be at least -20 °C.
► If the temperature resistance is too low, change the coolant.
Refer to chapter "Replace coolant".
For the corresponding coolant, refer to chapter "Lubrication ta-
ble".
The temperature resistance has been checked.
Replace air filter
Replace the air filter of the portable pump depending on the degree of con-
tamination, or every 5 years at the latest.
Check the air filter annually for contamination.
If necessary, change the air filter sooner when working with particularly
dusty conditions, depending on how dirty it is.
► Position the portable pump on a flat, even surface.
► Open the engine cover.
Refer to chapter "Open the engine cover".
► Remove all the fastening screws on the air filter cover.
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