Cleaning the filter
• Unscrew the coupling (11).
• Clean the air filter (19) every 20 working hours.
• Replace the filter when damaged.
Cleaning the valves
• Clean the valves every 150 working hours by following these instructions:
Drive valve
• Remove the guard (5).
• Remove the lever (6).
• Unscrew the caps (8) and (12) with the wrench supplied or with a gripper for snap rings.
• Gently pull out the valves (20) and (21).
• Blow compressed air onto the valves and their seats; reassemble the parts by follow-
ing the instructions in reverse
WARNING: After cleaning the valve, check the safety catch (7) for proper func-
tioning. Never use the tool without first installing the guard or if the safety
catch is off.
Removing the parts
When maintenance is required, remove the parts following these instructions:
Removing the guard (5)
• Remove the pins (4) - (10).
• Using a screwdriver, exert a slight pressure between the body and the guard.
Removing the control lever (6)
• Using a screwdriver, exert a slight pressure between the body and the lever.
Removing the valve group (13)
• Remove the guard (5) and the lever (6).
• Clamp the valve assembly (13).
• Unscrew the body with your hands (30).
Removing the connecting rod (18)
• Keeping the blades closed with your hand (always wear heavy gloves) put a 20 mm
ø pin among the shear body (1), the connecting rod (18) and the mobile blade (3).
• Use a pindriver to remove the rivet (17). The rivet cannot be re-used.
Removing the blades (3)
• Remove the rivet (17) by using a pindriver.
• Remove the nut (14) and the pin (15).
• Loosen the screws (2).
Removing the manual safety catch (9)
• Insert a screwdriver into the rear part of the safety catch (9).
• Lever and carefully lift the catch (31).
Faults
The tool do not work
Check the compressor for proper functioning.
Check the position of the automatic safety catch (7).
Check the position of the manual safety catch (9).
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TROUBLESHOOTING