Power Train
Testing And Adjusting
Drive Motor
Motor Brushes
Brush Inspection
1.
Measure the brush material on the longest side.
Brush Measurement
2.
If the brush length is less than 19 mm (.75 in) on
the longest side, replace the brushes.
New Brush Installation
NOTE :
Installation of new brushes is a two person
operation.
1.
Disconnect the batteries and remove them from
the lift truck. Put the batteries close enough to the
truck that the battery connector can be plugged in.
2.
Lift the truck and put blocks under it so that the
drive wheels are off the ground. Put blocks in front
and in back of the steering wheels.
3.
Discharge the head capacitor.
4.
Remove the commutator screen cover remove old
brushes.
Install Brushes
(1) Brushes.
NOTICE
Installation of the wrong brushes can cause early
motor failure. Always make sure the correct DAEWOO
brushes are installed.
5.
Install new brushes(1). Make sure the brushes
move freely in the brush holders. Use a piece of
plain bond paper to remove brush material if there
is a restriction of brush movement.
Install Springs
(2) Spring.
6.
Place carefully the brush spring(2) on the top of
brush and make sure they fasten into the brush
holder box.
7.
Pull up on the two wires of each brush until the
contact end of the brush moves away from the
commutator. Release the wires to see if the brush
moves smoothly back into contact with the
commutator. If it is too difficult to pull out, or it does
not move smoothly in the brush holder box,
remove the spring and brush. Make an inspection
to find and correct the cause of the problem.
8.
Connect the batteries to the battery connector.
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