11-4
TROUBLESHOOTING
6. Drive Function
Problem
Cause
Solution
Steering wheel or joystick
steering lever (option) is
heavy to operate.
Faulty steering pump
* Repair, Replace
Faulty steering device
* Repair, Replace
Malfunction of steering cylinder
* Repair, Replace
Relief valve set pressure reduction
* Adjust
Faulty steering column
Low tire air pressure
* Inflate
Steering wheel or joystick
steering lever (option) turns
in unexpected direction.
One side brake is applied or dragged.
* Adjust
Joystick steering operation is
not possible using the joystick
steering lever. (Option)
Joystick steering system is not turned on.
Turn the key switch on, lower the
armrest, turn the joystick steering
system switch on, and start the engine,
in this order. (Refer to page 3-3.)
Joystick steering lever failure (the switch
works but it will not steer).
* Repair, Replace
Armrest switch failure
* Repair, Replace
Controller failure
* Repair, Replace
Transmission shifting (F and
R) does not work using the
joystick steering F/R switch.
(Option)
Joystick steering system is not turned on.
Turn the key switch on, lower the
armrest, turn the joystick steering
system switch on, and start the engine,
in this order. (Refer to page 3-3.)
F/R switch failure
* Repair, Replace
Armrest switch failure
* Repair, Replace
Controller failure
* Repair, Replace
Joystick steering system does
not turn off when the armrest
is fully raised. (Option)
Armrest switch failure
* Repair, Replace
Controller failure
* Repair, Replace
Defective wiring
* Repair, Replace
Joystick steering lever
(option) movement is hard
or stiff or does not return to
neutral when released.
Defective joystick steering lever
* Repair, Replace
Accelerator pedal is heavy to
operate.
Rusted joint
* Lubricate, Repair
Accelerator pedal play is
excessive.
Worn joint
* Replace, Repair
Parking brake
Does not work properly
Worn brake disk and/or pads
* Replace
Faulty parking brake solenoid valve
* Repair or replace
Service brake does not work
properly
Malfunction of brake valve
* Repair or replace
Oil leak from brake line, Air mixing
* Repair. Bleed air
Service brake is dragging.
Malfunction of brake valve
* Repair or replace
Faulty brake pedal
* Repair or replace
Corrosion of brake pedal parts
Clean and lubricate
Pebbles in area of brake pedals
Remove - clean area
Service brake fluid loss
(hydraulic oil).
Oil leak from brake line and/or hose
connector
* Retighten or repair
Oil leak due to brake piston seal (inside axle)
* Repair
f
NOTE: * Consult the nearest authorized dealer.
Summary of Contents for ZW 370-6
Page 4: ...MEMO ...
Page 10: ...CONTENTS MEMO ...
Page 12: ...2 MACHINE NUMBERS Aftertreatment Device SCR TYPE MFG NO DOC TYPE MFG NO 95Z7B SCR4 95Z7B SCR4 ...
Page 53: ...SAFETY LABELS S 41 95Z7B S 40 ...
Page 148: ...1 84 OPERATOR S STATION MEMO ...
Page 218: ...OPERATOR S STATION 1 154 MEMO ...
Page 220: ...2 2 BREAK IN MEMO ...
Page 236: ...3 16 OPERATING THE ENGINE MEMO ...
Page 284: ...OPERATING THE MACHINE 5 28 MEMO ...
Page 426: ...MAINTENANCE 7 132 MEMO ...
Page 430: ...9 4 MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS MEMO ...
Page 434: ...10 4 STORAGE MEMO ...
Page 440: ...11 6 TROUBLESHOOTING MEMO ...
Page 442: ...12 2 SPECIFICATIONS MEMO ...
Page 450: ...14 8 INDEX MEMO ...