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Section 7. Component Procedures
Motors (General)
Set up and rigidly adhere to a strict inspection
schedule to obtain the maximum efficiency
from the electrical equipment.
Figure 7 -4 5 . Drive Motor Brushes, location
Each partial inspection of the motor should
include the following:
1.
Inspect the brushes for wear and for
proper contact with the commutator.
Record the level of wear on the brushes.
This history will give you a n indication of
whether a brush should be changed or if it
can wait until the next inspection. Refer to
general motor information.
N
: Overloading a unit is ultimately reflected
O TE
in the motor and brush wear; therefore,
you must take this into account when
considering brush replacement.
Figure 7-46.
lift Motor Brushes, location
Toyota Orderpicker Model 7BPUE 15 Service Manual
2. Check brush spring tension. See "Motor
Brush Spring Tension" on page 7-37.
3. Clean brushes and holders. Wipe the
commutator with a dry, lint-free cloth. DO
NOT USE lubricants of any kind on or
around the commutator.
4. Check brush holders for solid connection
to the mounting support. Tighten the
mounting screws a s necessary.
5. Check the cap screws holding the brush
cross connectors to the brush holder body.
Figure 7 -4 7 . Steer Motor Brushes, location
6. Make sure the motor terminals are
secured tightly to the motor frame. Be
careful not to strip the threads or crush
the insulating parts. See "Terminal Nuts"
on page 7-38.
7. Check all the cap screws around the frame
for tightness.
Keep the outside frame of the motor clean
8.
and free from dirt. Maintain a free air
passage around the motor to permit heat
radiation.
Replacement
If one brush needs replacement, always replace
the entire set of brushes.
Use only genuine Toyota brushes. Using
another type of brush could damage the
commutator or cause excessive brush wear and
will void your warranty.
00700-CL222-05, 1 5 March 2005
Electrical Components
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