Sharp R-440/540 Manual do Operador Página 171

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918496/GP0313 163
Engine temperature gauge
does not work
Temperature sender
malfunction
Replace temperature
sender
Loose wiring/terminal
connections
Check wiring
connections
Blown fuse Check circuit and
replace fuse
Hour meter does not work Loose wiring/terminal
connections
Check wiring
connections
Alternator malfunction Repair/replace alternator
Starter does not engage
when key switch turned to
START
Poor electrical connections
to starter
Check connections
Battery terminals/cables
loose/corroded
Clean battery terminals
and cables and tighten
Starter relay malfunction Contact dealer
Battery malfunction Test battery—recharge/
replace as necessary
Starter solenoid malfunction Contact dealer
Starter or pinion
malfunctioning
Repair/replace as
needed
Drive direction switch in
forward/reverse
Place drive direction
switch in neutral
Various See “Engine does not
turn over” on page 153
Auxiliary hydraulics pressure
relief valve lever not in
neutral (later machines only)
Place auxiliary
hydraulics pressure
relief valve lever in
neutral
Work/road lights
malfunction
Single light not working—
light bulb burned out, faulty
wiring
Check and replace light
bulb as needed, check
wiring connections
No lights—blown fuse Check circuit and
replace fuse
Defective light switch or poor
ground
Check ground wire
connections, replace
light switch
Electrical Troubleshooting
Problem Possible Cause Corrective Action
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