Volvo MD5A, Workshop Manual

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29. Remove the cover’s centre screw, remove the filter 1
and clean it.
31. Depress the diaphragm and shake the pump arm
spindle out until the pump arm is free. Then remove the
diaphragm from the housing.
30
. Remove the six screws which hold the upper and lower
pump halves together. Remove the pump’s spring and undo
screw 2 which holds the pump arm spindle.
32.
Remove screw 1 and withdraw the manual pump arm 2
and replace spring 3 if it is broken. Note! Be careful of the
rubber seal which is pressed into the housing.
10