SPECIFICATIONS

Vehicle Systems Testing And Adjusting

Hydraulic Pump Motor

Motor Brushes

Brush Inspection

1. Measure the brush material on the longest side.

Brush Measurement

2. Brush measurement:

If the brush material 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. Discharge the head capacitor

3. Remove the commutator cover. Remove the 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.

4. 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

(2) Spring.

5. Install brush springs (2) and make sure they fas-

ten into the brush holder box.

6. Lift the spring into position on the top of the brush.

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 com-

mutator. 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.