48
Phenomenon
Cause
Action
E
le
c
tr
ic
a
l
re
la
te
d
A lamp does not turn on.
Blown bulb
Replace the bulb with new one.
Blown fuse
Replace the fuse with new one.
Loose or disconnected wire terminal
Reconnect and retighten after inspection.
Faulty switch
Contact the dealer where you purchased your
machine from.
The speed is not indicated.
Loose or disconnected wire terminal
Reconnect and retighten after inspection.
Faulty speed sensor
Contact the dealer where you purchased your
machine from.
P
e
d
a
l
re
la
te
d
The clutch does not
disengage.
Faulty switch
Contact the dealer where you purchased your
machine from.
Loose or disconnected wire terminal
Reconnect and retighten after inspection.
Poor brake effect
Improperly adjusted brake wire
Contact the dealer where you purchased your
machine from.
The differential locks only on
one side of front and rear
wheels.
Improperly adjusted differential lock wire
Contact the dealer where you purchased your
machine from.
L
e
v
e
r
re
la
te
d
The engine speed drops.
Improperly adjusted throttle lever
Contact the dealer where you purchased your
machine from.
Gears disengage.
Improperly adjusted shift cable
Contact the dealer where you purchased your
machine from.
The HST lever returns.
Faulty lever retention mechanism
Contact the dealer where you purchased your
machine from.
The engine does not stop
when the HST lever is in the
N (Stop) position.
Improperly adjusted cable system
Contact the dealer where you purchased your
machine from.
S
te
e
ri
n
g
w
h
e
e
l
re
la
te
d
The steering wheel is heavy.
Insufficient tire pressure
Adjust the pressure to the reference level.
Hydraulic device malfunction
Contact the dealer where you purchased your
machine from.
Steering control is lost.
Uneven pressures of tires
Adjust the pressures of all tires evenly.
Poor straight-rolling property of tire
Contact the dealer where you purchased your
machine from.
S
p
ra
y
d
e
v
ic
e
r
e
la
te
d
The spray amount is small.
The pressure does not rise.
No reagent in the tank
Add the required amount of reagent.
Closed suction valve
Open the suction valve.
Low engine speed
Operate the throttle lever to raise the speed.
Pressure adjustment valve malfunction
Contact the dealer where you purchased your
machine from.
Clogged water absorption strainer
Clean.
Slipped spray pump belt
Contact the dealer where you purchased your
machine from.
Worn piston gasket, discharge valve or
suction valve of the spray pump
Replace the affected part with new one.
Damaged metal joint gasket of the suction
hose or spray hose, or damaged hose
Replace the affected part with new one.
Worn nozzle
Replace the affected part with new one.
Clogged nozzle
Clean.
Poor spray state
Worn or cracked nozzle
Replace the affected part with new one.
Clogged nozzle
Clean.
Insufficiently tightened nozzle cap
Tighten additionally.
Damaged metal joint gasket of the suction
hose or spray hose, or damaged hose
Replace the affected part with new one.
B
o
o
m
d
e
vic
e
The boom does not operate.
Loose or detached wire terminal
Reconnect and retighten after inspection.
Faulty hydraulic device
Contact the dealer where you purchased your
machine from.
