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7. Malfunction & Measurement
If problem occurs when using Aerial Lift Truck follow below measures depending
on the cause of failure, for more information please contact the dealer and the A/
S.
Item
Problem
Cause
Measures to take
Inst
allat
ion
Engine
run
but
the
Equipment don't run
P.T.O poor connection
Does the P.T.O gear work normally
with the mission gear(check sound)
Hydraulic pressure oil lack
Hydraulic
pressure
oil
replenishment
Pressure
of
the
valve
is
lowness
Modification setting pressure of the
relief
Damage of the pump
Repair or exchange of the pump
P
T
O
P.T.O does not operate
Breakage
&
disconnection
P.T.O handle switches
Exchange & check normalcy of the
Puse
Check connection & disconnection
of the cable
Mixing an air from connecting
parts the vacuum line
Reassemblage & Exchange of the
parts
Damage vacuum magnetic valve Exchange of the parts
Be stopped vacuum inlet port
Check the inlet port
Damage P.T.O gear arm & gear Exchange the parts
P.T.O occur noise
P.T.O connection poor
P.T.O operate again
Bearing & Gear damage
Exchange & change the parts
The gear oil shortage
The gear oil supplement
P
U
M
P
Noise occurrence on the
pump & Poor operation
of hydraulic pressure
Shortage
of
the
hydraulic
pressure oil
Supplement
of
the
hydraulic
pressure oil
Mixing an air from connecting
parts of suction pipe(hose)
Repair connecting parts
Be relaxed of the bolt fixed
Be fixed the bolt strongly
Be caught the dross at strainer Exchange & clean the strainer
Broken inner gear
Exchange & change the parts
Broken pump case
Exchange & change the parts
B
O
O
M
Boom does not operate
overall
Pressure lowness of the relief
valve
Modification setting pressure of
relief
(3-WAY V/V upper)
Broken relief valve
change
Shortage quantity of hydraulic
Supplement hydraulic pressure oil
Lowness the efficiency of pump Repair & change
Be stopped the cable of remote connection
Ground connection the cable of
remote
reconnection
Poor MAIN SOL valve
check short-circuit of parts the
cable
Exchange
when
damage
the
product
Poor remote receiver
Check condition of the power
supply(FUSE & CONNECTOR)
Summary of Contents for HS Series
Page 1: ...Instruction Manual Repairing Guide MODEL HS2750 SMART HANSIN SPECIAL EQUIPMENT CO ...
Page 6: ... 5 Diagram of Equipment Composition ...
Page 9: ... 8 Diagram of Equipment Appearance ...
Page 10: ... 9 Working Radius Diagram ...
Page 11: ... 10 Hyd Component Circuit ...
Page 12: ... 11 Connective Diagram of Electricity ...
Page 13: ... 12 리모콘 송신기 메인 밸브 Connective Diagram of Electricity ...
