Kärcher B 300 RI D Handbuch Seite 69

9.5.7 Replacing the hydraulic oil filter
9.5.8 Checking the coolant level and topping up coolant
WARNING
Risk of burns!
Allow cooling system to cool down sufficiently prior to

working on the appliance.
ATTENTION
Risk of damage!
Have authorised Customer Service perform any work

to be done on the hydraulic system.
Have the hydraulic oil filter changed by Customer Service
in accordance with the inspection checklist (ICL).
1 Stop cock
2 Hydraulic oil filter
Close the stop valve.

Use suitable tools to unscrew the hydraulic oil filter.

Coat the washer of the new oil filter with oil before fitting

it.
Fit in the new oil filter and tighten it by hand.

Open locking valve.

Check the hydraulic oil level and refill hydraulic oil if

necessary.
WARNING
Risk of burns!
Do not open or touch the radiator or parts of the cooling

system while the motor is hot.
CAUTION
Only top up coolant when the engine is cool.

Use a water and antifreeze mixture to refill.

For coolant refer to chapter "Technical data"

Do not mix different antifreeze types.

Use only soft water for the water and antifreeze mix-

ture.
1 Cover
2 Coolant expansion tank
Check filling level while the motor is cold.

Check the filling level in the coolant expansion tank.

Note
The correct coolant level is in the middle of the expan-
sion tank.
9.5.8.1 Refilling coolant in the expansion tank
Check filling level while the motor is cold.

Unscrew the lid.

Refill the expansion tank.

Note
The correct coolant level is in the middle of the expan-
sion tank.
Close the lid for the equalising reservoir.

Start the engine and let it warm up.

Check the filling level in the coolant expansion tank.

If the coolant level is too low, switch off the motor and

allow it to cool down. Pour the missing amount of cool-
ant into the coolant expansion tank.
Note
The correct coolant level is in the middle of the expan-
sion tank.
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