4. Malfunction of the pump
–
Remove one locking ring at bolt 8.
–
Pull out bolt 8.
–
Loosen both core pins 5 at the stroke eccentric.
–
Push stroke eccentric 4 to the right.
–
Swivel tie rod 1 upwards and push it to the right.
–
Pull off pump ring 2 to the right.
The pump ring can only be pulled off in a certain position. Turn
pump ring 2 before pulling it off.
–
Take off piston 7 and spring 6.
Exchange damaged or worn parts, if necessary.
–
Clean the pump.
Pull off the hose 3 and blow the pump with a compressed air.
ATTENTION !
When cleaning the oil pump 2 the position of the stroke
eccentric 4 is changed.
After cleaning the oil pump the stroke motion of the feed-dog has
to be readjusted (see chapter 3.2.3 Lifting motion of the feed-dog).
50
3
672
1
8
45
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