Drive unit/drive gear – 2000
Service and repairs
Order number Date Valid from serial number T-code
226057-040 2005-09-23 914369- 675
© BT Europe AB Service Manual LWE130 6- 3
6.2.3 Replacing the drive gear
• Shut down the truck, pull out the plug from the start block.
• Remove the hoods from the battery compartment.
• Loosen the battery connections.
• Lift out the batteries.
• Loosen the two screws holding the instrument panel.
• Place the instrument panel in the truck.
• Seal the oil-filling plug.
• Refit the instrument panel.
• Place the truck on its side.
• Loosen the cable connections on the motor.
• Loosen the 8 bolts holding the drive gear.
• Carefully lift off the gear, avoid damaging the seals.
• NOTE! The securing bolts should always be replaced when replac-
ing the drive gear.
• Assembly takes place in the reverse order.
6.2.4 Cleaning
An extremely critical factor to ensure correct functioning of the motor is
that it is kept as clean as possible. The motor and the motor compart
-
ment must be regularly checked for dust, oil, and other impurities.
A vacuum cleaner with an appropriate nozzle can be used to clean the
motor if the motor windings and inner compartment are dry Com
-
pressed air can be used in combination with a vacuum cleaner. In which
case the compressed air must be clean and dry.
A cloth of non-fluffing material should be used if the windings have a
coating. The cloth can also be moistened with a grease-dissolving,
organic and volatile detergent that does not damage the windings. Use
detergent sparingly to avoid it penetrating into the parts of the motor.
Residual detergent should be removed with an appropriate solvent, if it
leaves a greasy surface.
If the parts of the motor are heavily fouled it may be necessary to use a
solvent that is sprayed onto the parts. It is important that the detergent
is applied in a way to prevent dirt from penetrating into the parts of the
motor, especially for the rotor.
One method of cleaning the rotor is to dip it in solvent. If this is done
then the rotor must always be dried with the application of heat. There
must be adequate ventilation during the drying process, and the drying
should continue until a number of measurements of the insulation
resistance provide equivalent and approved results.
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