Repairs
WARNING
DO NOT make repairs or adjustments unless you
have been properly trained and authorized to do
so. Improper repairs and adjustments can create
dangerous operating conditions. DO NOT operate
a lift truck that needs repairs. Report the need for
repairs to your supervisor immediately. If repair is
necessary, turn the key switch to the OFF posi-
tion, disconnect the battery, and attach a DO NOT
OPERATE tag to the control handle.
Disconnect the battery before opening the drive
unit compartment cover or inspecting or repairing
the electrical system. If a tool causes a short cir-
cuit, the high current flow from the battery can
cause personal injury or property damage.
The capacitor in the transistor controller can hold
an electrical charge after the battery is disconnec-
ted. To prevent electrical shock and personal in-
jury, discharge the capacitor before inspecting or
repairing any component in the drive unit com-
partment. See Special Precautions in this section.
Always wear safety glasses or approved eye pro-
tection when making any repairs on lift truck.
All checks, adjustments, and repairs in the drive
unit compartment are done with the compartment
cover removed. Remove the drive unit compartment
cover for access to the electrical components and
discharge the capacitor. See the section Periodic
Maintenance 8000SRM1635. Replace the covers
when service has been completed.
CALIBRATION MODE
In Calibration Mode, service screens can be ac-
cessed through the battery discharge indicator
LCD. Instructions for the various calibration proce-
dures can be found in the sections:
•
User Interface 2200SRM1354
or
•
User Interface 2200SRM1353
.
CONTROLLER, REPLACE
Remove
CAUTION
DO NOT replace the controller until you have thor-
oughly checked all other electrical components
and are sure the controller is malfunctioning.
1.
Move the truck to a safe, level location. Turn
the key switch to the OFF position, disconnect
the battery, and block the drive tire to prevent
unexpected movement.
2.
Remove the drive unit compartment covers. See
the section Periodic Maintenance
8000SRM1635.
3.
Discharge the capacitor. See Special Precau-
tions in this section.
2200 SRM 1632 Repairs
9
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