28
BA042501-en
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4.5
Checking and Refilling the Bladder Accumulator
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Checking the Accumulator Pressure
1 Unscrew the black plastic cap and nut from the bladder accumulator.
2 Before screwing onto the bladder accumulator, open the adapter piece
completely (anticlockwise) until you can hear a slight "clicking" noise. Tool: Allen
key A/F 6 mm.
3 Screw the adapter piece with knurled nut completely onto the bladder
accumulator.
4 Screw filling valve (A) including pressure gauge (B) with knurled nut onto the
adapter piece. In doing so, make sure that the drain valve (C) is closed.
5 Open the filling valve by tightening the cam wheel (D) until the pressure gauge
displays the filling pressure. If the filling quantity is too much, the pressure can
be reduced via the drain valve.
Refilling with Gas
6 Screw one end of the high-pressure hose with connection 1/4" on the filling
valve and the other end on the nitrogen cylinder. Slightly tighten the nut using
an open ended wrench.
7 Now the correct amount of gas can be added by opening the valve of the
nitrogen cylinder (E).
8 Once the pressure has been reached and has stabilized, close the valve of the
nitrogen cylinder. If the filling quantity is too much, the pressure can be reduced
via the drain valve.
Removing the Filling Valve
9 Undo the cam wheel on the filling valve anticlockwise until you can hear a slight
"clicking" noise.
10 Carefully remove the high-pressure hose.
11 Slowly and carefully open the drain valve to allow the remaining nitrogen to be
dispersed.
12 First remove the drain valve and then the adapter piece from the bladder
accumulator.
13 Important: Observe the tightness of the valve on the bladder accumulator in all
cases!
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