Safety and operating instructions
© Construction Tools PC AB | 9800 1273 01 | 2020-04-03
Original Instructions
25
Cause
Remedy
By
Working tool jams in the lower
breaker part.
Correct the direction of the carrier boom. The pressing
force must act in the axial direction of the hydraulic
breaker.
Check the shaft of the working tool and deburr if required.
Use the right type, and amount of grease. Always use
chisel paste recommended by your manufacturer.
Check the working tool and the wear bush for wear and
replace if necessary.See section "Working tool".
Carrier driver
Inside diameter of tank hose too
small.
Check the inside diameter and change if necessary.
Observe the minimum inside diameter! See section
"Hoses and connections".
Workshop
Return pressure too high.
Check and lower the return pressure.
Customer Center/
Dealer in your area
Hydraulic oil temperature in the
tank higher than 80°C (176°F).
Check the oil level in the hydraulic tank and top up if nec-
essary.
Check the oil flow. Too high oil flow leads to a higher
working pressure and temperature, and that the oil flows
over the pressure limiter.
Check the cooler function on the carrier.See section
"Preparation before breaking".
Carrier driver
Hydraulic oil pressure too low.
Check the pressure, adjust as required. Fit new pressure
relief cartridges if necessary, on carrier and breaker.
Check the installation, check the restrictor, and check the
carrier's pressure. See section "Pressure adjustment".
Workshop
10.5 Operating temperature too high
Cause
Remedy
By
Oil level in tank too low.
Check the oil level and top up oil.
Carrier driver or work-
shop
Carrier's pump delivery too high,
a constant volume of oil is
squirted out of the pressure relief
valve.
Check carrier engine speed and lower.
Carrier driver
Check carrier settings and adjust.
Customer Center/
Dealer in your area
Operation in high outside temper-
ature without oil cooler.
Check oil temperature and install an oil cooler if neces-
sary.
Workshop or Cus-
tomer Center/Dealer
in your area
Pressure relief valve defective or
valve with poor characteristic.
Fit new pressure relief cartridges.
Workshop
Summary of Contents for SB 1102
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