Motor Brush Installation - JLG 15MVL Series Service Maintenance Manual

SECTION 4 - CONTROL COMPONENTS

Motor Brush Installation

3
Brush Housing Installation
1. Brush Housing
2. Brush Housing Screws
3. Mark Front of Motor and Brush Housing for reference
when reassembling.
1
2
Brush Assembly Connections
1. Negative (–) Post
2. Positive (+) Post
Note: Length of wires to brush assemblies shown exaggerated for
illustrative purposes.
4-24
1
2
4
3
3. Brush Assemblies
4. Spring Washer
Once brush housing has been removed, inspect the rotor
commutator for excessive wear before installing a new
brush set.
The rotor commutator surface when new, is approximately
1/8 in. (3mm) in thickness.
1. Brush Terminal Screw 4. Brush Spring
2. Brush
3. Brush Holder
Installation the same for all four (4) brush assemblies.
Note: Using a clean towel, push each brush (2) up into it's holder
3
(3), slide the spring (4) over the side of the brush. This will hold
each brush in place and allow them to clear the rotor commutator
during reassembly.
Clean the rotor commutator with a non-conductive electrical
cleaner before assembling the brush housing to the motor hous-
ing.
– JLG Lift –
2
1
5
New Brush Installation
5. (See Installation Note Below)
3
4
3121231