Accumulator - Kalmar DRF420-60S5 Maintenance Manual

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4 Brakes – 4.3.4 Accumulator

Accumulator, checking

1 Start the engine and let it idle for approx. 1 minute (until the ac-

2 Turn off the engine and turn the start key to position I.

3 Apply and release the brake several times, and count the

Maintenance manual DRF 400–450

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Accumulator

cumulator charging valve switches to cooling).

number of times that the brake can be applied before the warn-

ing light for low brake pressure is activated.

It should be possible to apply the brake 8 times before the

warning light for low brake pressure is activated.

If the warning light for low brake pressure is activated, one of

the brake system's accumulators is probably defective and

these should therefore be checked further.

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