© 2005 SANDVIK TAMROCK CORP.Page 52 - MAINTENANCE
Troubleshooting S 83 STD
4.6 OIL OVERHEATS
APPLICATION NOT CORRECT FOR HAMMER
Refer to recommended use and to correct working methods. See “Daily operation”
on page 20.
COOLING CAPACITY OF THE FACTORY OIL COOLER IS TOO SMALL
Assemble an extra oil cooler.
RELIEF VALVE IN HYDRAULIC CIRCUIT OPENS AT A LOW PRESSURE. HAMMER OPERATING
PRESSURE IS NOT REACHED
Check the installation. Check the relief valve operation. Adjust the relief valve in
hydraulic circuit. Measure the high pressure in the hammer inlet line. Contact your
local dealer for more information.
HYDRAULIC OIL VISCOSITY TOO LOW
Check hydraulic oil. See “Requirements for hydraulic oil” on page 34.
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 Rammer service shop.
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