MAINTENANCE INSTRUCTIONS
A 159 A 160 A 161
EXCHANGE OF COOLANT
Keep the following instruction:
- Open the heating system valve (A) (at
cab tractors only) and release the
radiator overpressure filler cap (B).
- Drain the coolant from engine block
(C). Draining valve is accessible after
removing of the right side shield.
- Drain the coolant from radiator (D).
Draining valve is accessible after re-
moving of the left side shield.
- Close both draining valves after
draining of coolant (let the heating sys-
tem valve (A) opened).
Fill the cooling system with antifreeze
mixture - antifreeze + demineralized wa-
ter in ratio 1:1,5. Start the engine and let
it run approximately 1 minute. Add the
coolant and close the radiator by over-
pressure filler cap. The right coolant le-
vel is approximately 55 mm from the up-
per edge of filler when the cold engine.
Exchange the coolant at least after every
two years if the antifreeze is used in
coolant.
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