7URXEOHVKRRWLQJ
%20$*
50 BPR 25/40 D
Fig. 53
● Remove the crankcase ventilation socket (Fig.
53).
Fig. 54
● Unscrew the oil shut-off valve (Fig. 54).
Fig. 55
● Take the locking plate (Fig. 55) off.
Fig. 56
● Screw the pressure valve holder 1 (Fig. 56) on
with the O-ring (2).
● Remove filling piece (3), spring (4), seal ring
(5) and pressure valve (6).
Caution
After pressing the pump element out hold the
control sleeve (9) so that it does not drop into
the engine case!
Fig. 57
● Unhook the pump piston (Fig. 57) from the
rocker arm to the injection pump.
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