RR 14 EVO 2-400 HYBRID
Wear tight-seals.
Leakages on lock valves.
Control valve with internal leakages.
Replace seals, checking wear not coming
from linings on the telescopic rod or on
the cylinder.
Overhaul valves check valves cleanliness
and setting.
Overhaul control valve, check valves
cleanliness and setting.
ULTIMO BRANO TABELLA
The machine moves with irregular motions of booms, jerkily and slowly
Causes
Remedy
Presence of air in the hydraulic circuit.
Telescopic boom wear pads.
Sometimes make stopper- up going- down
going- movements untill the complete
discharge of air.
Replace worn down wear pads.
ULTIMO BRANO TABELLA
The machine doesn't complete the movements, jerkily steerings
Causes
Remedy
Oil not enough.
Air suction.
Valves wrong setting.
Breakdown pump.
Reset oil level.
Fasten fittings.
Withdraw valves.
Check the pump.
ULTIMO BRANO TABELLA
Metal participles founded in the oil filters
Causes
Remedy
Parts of the oleo dynamic system are
damaged.
Find the breakdown parts, replace them.
ULTIMO BRANO TABELLA
Movements prevented
Causes
Remedy
Machine overloaded.
Impurities presence in solenoid valve
spool.
The coil of the solenoid valve does not
work.
Remove the excess load.
Let the extensions come in.
Disassemble the valve and clean the
internal parts.
Change the coil.
ULTIMO BRANO TABELLA
Light oil filaments in cylinders seals
Causes
Remedy
After long inactive periods.
After a certain number of working hours,
you will not have any filaments.
ULTIMO BRANO TABELLA
Load holding valves whistle too much
Causes
Remedy
Dirty load holding valve.
Ruined load holding valve.
Too low valve setting.
Too high control valve setting.
Enervate valve spring.
Disassemble and clean the valve.
Check valve setting.
check control valve setting.
Replace valve.
English
103/150
Summary of Contents for RR 14 EVO 2-400 Hybrid
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Page 16: ...RR 14 EVO 2 400 HYBRID 2 2 2 MAIN SAFETY SIGNALS BRANO English 16 150...
Page 19: ...RR 14 EVO 2 400 HYBRID 2 2 3 INFORMATION SIGNALS BRANO English 19 150...
Page 22: ...RR 14 EVO 2 400 HYBRID 2 2 4 MULTILINGUAL SAFETY SIGNALS BRANO English 22 150...
Page 23: ...RR 14 EVO 2 400 HYBRID BRANO BRANO Indicates caution during handling BRANO English 23 150...
Page 27: ...RR 14 EVO 2 400 HYBRID 26 Main engine unit 27 Auxiliary engine unit GRUPPO English 27 150...
Page 34: ...RR 14 EVO 2 400 HYBRID BRANO BRANO English 34 150...
Page 69: ...RR 14 EVO 2 400 HYBRID BRANO English 69 150...
Page 70: ...RR 14 EVO 2 400 HYBRID BRANO BRANO English 70 150...
Page 148: ...RR 14 EVO 2 400 HYBRID 14 ENCLOSED DOCUMENTATION 14 1 HYDRAULIC SYSTEM GRUPPO English 148 150...
Page 149: ...RR 14 EVO 2 400 HYBRID 14 2 ELECTRICAL SYSTEM GRUPPO English 149 150...