Gram OM 60-37 T Instruction Manual page 32

Upper impeller
Check if the holes on the upper
impeller (2) are clogged. If they
are clogged, remove and clean the
impeller. Turn its nut to left to remove
the upper impeller (C, D).
Make sure that the nut is tightened well
when installing the upper impeller.
C
2
1032
D
31 EN