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1. Loosen the four screws and Washers between aluminum head and gear box by 6mm HEX
head wrench.(See Fig1)
2. Disassemble the aluminum head, cylinder and piston.(See Fig2)
3. Clean the inside of aluminum head, must be free of metal chip and granular dust (See Fig3)
4. Clean the piston and cylinder.
a) Clean the cylinder both inside and outside, especially clean the inside of cylinder, must
be free of metal chip and granular dust. If the conditional, recommend washing by
gasoline.
b) Clean the surface of piston. If the conditional, recommend disassembling the O-ring and
washing the piston by gasoline.
c) At the same time, check the wearing condition of O-ring. If the Outside Diameter (O.D.)
of O-ring is less than the piston O.D., please replace the O-ring to get proper
performance.(Please contact with our authorized dealer to purchase, See the part List).
5. Fill the grease into the aluminum head, please make sure cleaned inside before filling.
a) Recommend the grease from manufacturer site, there is a tube of 60g grease included
the case. (Please contact with our authorized dealer to purchase, See the part List).
Fill the 45g
grease into
the aluminum
head bottom
Fill the 5g grease
into the Piston
Fill the 10g
oil into the
cylinder
