Hammer HB 450, Manual

Page: 46 / 52

46
TROUBLESHOOTING
LEAKAGE FROM PRESSURE TO RETURN IN EXCAVATOR HYDRAULIC CIRCUIT
Check the installation. Check the pump and the other hydraulic components.
INTERNAL OIL LEAK IN THE HAMMER
The hammer must be serviced in an authorized Tradicia-K service shop. See “Body parts”.
EXCESSIVE BACK PRESSURE IN RETURN LINE
Check the installation. See “Measuring hammer circuit”. Checkthe size of the return line.
11.7 RECURRENT TOOL FAILURE
APPLICATION NOT CORRECT FOR HAMMER
Refer to recommended use and to correct working methods. See “Operatinginstructions” .
ROUGH OPERATING PRACTICES
Refer to recommended use and to correct working methods. See “Daily operation”.
TOOL DOES NOT GET ENOUGH LUBRICANT
Refer to recommended use and to correct working methods.
TOO LONG TOOL
Use shortest tool possible. Refer to recommended use and to correct working methods.
RAPID WEAR OF TOOL
Refer to recommended use and to correct working methods. See “Daily operation”. There is a wider
selection of tools available for differentapplications. Consult with your local dealer for more information.
11.8 AUTOMATIC GREASING DEVICE PROBLEMS
UPPER OR LOWER TOOL BUSHING DOES NOT GET ENOUGH LUBRICANT
■
Cold conditions. Apply grease from grease gun to grease nipples.
■
Wrong doser for the application. The doser must be replaced. Contactyour local dealer for more
information. See “Greasing device”.
■
Blockage in greasing device. Contact your local dealer for more information.
UPPER OR LOWER TOOL BUSHING GETS TOO MUCH LUBRICANT
■
Wrong doser for the application. The doser must be replaced. Contactyour local dealer for more
information. See “Greasing device”.
■
Leak in the doser. The doser must be replaced. Contact your local dealer for more information. See
“Greasing device”.