EKKO EK18A, Руководство по обслуживанию

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9
The over lift
speed at full
load cannot
meet the
requirements
Or fail to lift
1. Insufficient amount of working oil Come on
2, speed limit valve throttle hole is
blocked by stolen goods Unpick and wash
3, the safety valve slide blocked, stuck Cleaning and repairing
4. Leakage of suction pipe weld at the
filter screen in the tank Repair welding, bottom leakage
5. The pipe joint is loose Pry tight
6, oil pump gear and pump body
excessive wear, clearance is too large Check oil cleanliness, grade 9-11
required
7, lifting cylinder sealing ring damage
or excessive wear internal leakage Replace seal ring
8, multi-way valve body and spool
valve gap is too large, the main valve
pressure is too low Replacement and adjustment
9, the shunt valve shunt improperly Adjust
2.1.4
Common faults and troubleshooting methods of electrical system
Failure
Fault cause and elimination method
Open key switch no voltage
1. Poor contact of key switch
2, break
3. Poor contact of the connector
4. The battery connector is loose
Step on the accelerator pedal
and the forklift will not walk
1, disconnect
2. Poor contact of the connector
3, the direction switch contact is poor
4, thruster speed regulating device failure
The lifting motor does not
work
1. Contactor coil is open or open
2. The lifting switch does not work normally
3, disconnect
4. Poor contact of connectors
5. The main contact of contactor is burned out
Turn over the hoist 1. The lifting switch does not work normally
The light is not working
properly
1, the fuse is broken
2. Poor contact of connectors
3. Light bulbs are broken
Speakers don't ring
1. Poor contact of connectors