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Hammer Drilling
Type 79604 is designed as hammer drill. Switch to hammer drilling by turning the adjusting
ring in position of hammer drilling. Only drilling: Turn backward adjusting ring and let it click
into place.
MAINTENANCE AND ASSEMBLY INSTRUCTIONS
Maintenance of the Pneumatic Motor
The service life and the performance of this motor are decisively determined by:
a) the air purity
b) the lubrication conditions and maintenance
at a):
Blow out the air hose before connecting it to the machine.
Install dirt and water separator upstream of the motor, if it is not possible to prevent the
formation of rust and water condensation in the air distribution lines.
at b):
Use only resin- and acid-free lubricating oils SAE 5W - SAE 10W.
Oils of higher viscosity cause vane sticking (difficult start-up and lower performance).
Optimal lubrication will increase the service life.
We thus particularly recommend to install a service unit and line oiler upstream of the motor.
Observe the comments on the supplementary sheet
Do not wash out sealed and greased ball bearings and do not rinse the machine with
petroleum or similar cleaning fluids.
Use anti-freeze lubricants, such as "BP-Energol AX 10", "Killfrost" or "Kompranol N 74" in
wintertime or if the compressed air is very moist.
Air connection:
Line, fitting and hose must have the required cross-section to obtain sufficient air (600 litres
per
minute).
Regularly check and clean the air inlet screen (item 78).
Operating pressure must not exceed 6 bar.
Cleaning the motor:
Rinse the motor with cleansing oil after approx. 10 working hours. Fill the oil into the air
connection. Connect air and start the motor (approx. 20 seconds at free speed).
Wear of vanes:
Vanes are main wear parts. Replace them in due time. They are considered to be worn when
the
height "H" is less than 7 mm.
"MAINTENANCE OF PNEUMATIC TOOLS"
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