Repairs
2200 SRM 1357
Remove
1.
Turn the key switch to the OFF position and dis-
connect the battery.
2.
Remove drive unit compartment covers for ac-
cess to the electrical components and discharge
the capacitor. See the section Periodic Mainte-
nance 8000 SRM 1368 and Special Precautions
in this section.
3.
Disconnect both connectors from the control mod-
ule.
4.
Remove nuts and washers from mounting studs
and remove control module from mounting studs.
Install
NOTE:
Install new control module with the ten-prong
connector (J4) nearest the MDU as removed.
1.
Place new control module onto mounting studs
and install washers and nuts to studs.
2.
Install connectors to control module.
3.
Connect the battery and turn the key switch to
the ON position. Test truck for proper operation.
4.
Install the drive unit compartment covers. See
the section Periodic Maintenance 8000 SRM
1368. Return the truck to service.
CONTACTOR
NOTE:
Tag and identify wires before disconnecting
them. The wires must be connected correctly after
checks or repairs. See Figure 10.
Check
Disconnect coil wires.
Test contactor coil using
an ohmmeter to measure the resistance. Use the
highest resistance indication. The coil should read
52 ohms ±10%.
Remove and replace contactor if
resistance readings indicate a short circuit in both
directions or if there is an open circuit in both di-
rections. Make sure coil wires are connected to the
proper terminals.
Remove
1.
Move the truck to a safe location, turn the key
switch to the OFF position and disconnect the
battery.
2.
Remove the drive unit compartment covers. See
the section Periodic Maintenance 8000 SRM
1368.
3.
Discharge the capacitor. See Special Precautions
in this section.
4.
If the lift truck has an EE rating, remove cover
of the contactor box for access to the contactor
terminals. See Figure 9.
5.
Label and disconnect the wires and cables from
the contactor assembly.
6.
On EE units, remove fuse, buss-bar, and stand-
off to access the contactor mounting screws.
7.
Remove two mounting screws located on the side
of the contactor and remove contactor assembly.
See Figure 10.
1.
CONTACTOR (POWER OUT)
2.
CONTACTOR (TO BATTERY POS)
3.
CONTACTOR (POWER IN)
4.
GROMMETS
5.
CONTACTOR (TO CONTROLLER)
6.
TO CONTROLLER B+
7.
FUSE
8.
BUS BAR
9.
ENCLOSURE BOX
Figure 9. Contactor (EE Enclosure)
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