RAMMER S 83 STD - Hammer Run-On Issues

MAINTENANCE - Page 51© 2005 SANDVIK TAMROCK CORP.
TroubleshootingS 83 STD
EXCESSIVE BACK PRESSURE IN RETURN LINE
Check the installation. Check the size of the return line.
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.
LEAKAGE FROM PRESSURE TO RETURN IN EXCAVATOR HYDRAULIC CIRCUIT
Check the installation. Check the pump and the other hydraulic components.
PRESSURE LOSS IN PRESSURE ACCUMULATOR
The hammer must be serviced in an authorized Rammer service shop.
FAILURE IN HAMMER VALVE OPERATION
The hammer must be serviced in an authorized Rammer service shop.
4.5 THE HAMMER DOES NOT STOP OR HAS RUN-ON
INTERNAL LEAKAGE IN THE HAMMER
The hammer must be serviced in an authorized Rammer service shop.
FAILURE IN HAMMER CONTROL VALVE OPERATION
Check the hammer control valve in the carrier.