94
not be released.
Break off of electricity supply
Reconnect power supply
over large of brake gas gap
Readjust brake gas gap
Damage of friction disc
replace the brake and readjust
brake gas gap
Damage of brake coil
replace the brake
Over small of brake gas gap
readjust brake gas gap
Parking brake can not
work.
Voltage switch is on power off
position
Check the electricity supply
Greasy dirt on friction surface of
friction disc
Clean the dirt and readjust
the gas gap
Interrupted brake
Over low of electricity supply
Adjust electricity supply
5.4 Hydraulic system
Problem
Possible cause
Remedies
It can not lift or the lift is poor.
oil leakage in the pipeline or
the connector
Check and repair
low oil level in the oil tank
Add oil
too much impurity in the oil
and the filter being blocked
Chang oil or oil filter
much wear of the gears
Change
oil leakage of the gears
Check the o-ring or replace
Low pressure of system safety
valve
Adjust safety valve pressure
Inner
leakage
of
control
valve’s lifting piece
Change the control valve
Inner
leakage
of
lifting
cylinder
Change the seal ring
Fork can not reach forward or
backward.
The
two-position
six-way
valve is damaged.
Change
Inner leakage of piece for
control
valve
auxiliary
function
Change
Inner
leakage
of
tilting
cylinder
Change the seal ring
Fork can not tilt forward and
backward.
Damage of tilting balance
valve
Change
Damage
of
two-position
six-way valve
Change
Inner leakage of piece for
control
valve
auxiliary
function
Change
Inner
leakage
of
tilting
Change the seal ring
Summary of Contents for CQD16X1
Page 1: ......
Page 9: ...5 II External View of Reach Truck Figure 2 1 External view of reach truck ...
Page 102: ...98 6 3 Lubricating chart ...
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