5. Counter needle (4) using monkey wrench
on the key side of the shank. Loosen the
shut-off needle (6) simultaneously using
an installation wrench. Pull out shut-off
needle (6) towards the front.
NOTICE!
Damaged threads
If you unscrew and pull out the shut-off
needle with too much force, that can
damage the fine threads on the needle
tip.
– Unscrew shut-off needle carefully.
Fig. 18: Disassembling Needle
6. Pull out the needle (4) towards the back.
Fig. 19: Loosening Safety Washer
7. Loosen safety washer (7).
Fig. 20: Disassembling Needle Gland
8. Push out needle gland (8) towards the
front. Possibly. Use installation wrench.
9. To replace the O-ring (9), lever out the O-
ring (9) from the housing using a sharp
object.
10. Replace worn out or defective compo-
nents.
Assembly
11. Push in O-ring (9) into the housing.
Faults
05/2018
EcoGun AL MAN 300 - MSG00016EN
25/44
