Motor Brush Spring Tension; Motor Brush, Steer Motor; Motor Brush Spring Tension Inspection - Toyota 7BPUE15 Service Manual

Toyota Orderpicker Model 7BPUE 1 5 Service Man ual
Electrical Components
If the end of the brush is not already contoured
to fit the commutator:
Figure 7-48. Motor Brush, Steer Motor
N : Form the brush contour using a brush
O TE
seating stone.
Spring
Scale
Rotation
Pull paper in direction of rotation
Figure 7-49. Motor Brush Spring Tension Inspection
00700-CL222-05, 1 5 March 2005
Section 7. Component Procedures

Motor Brush Spring Tension

Inspection
1. Turn the key switch OFF and disconnect
the battery connector.
2. Remove the tractor cover.
3 . Slide the brush up slightly in its holder.
4. Insert a paper strip between the brush
face and the commutator.
5. Place a small leather loop around the coil
spring for the brush. If the brush spring
has a loop a t the brush, hook the spring
scale directly to the spring.
5 lb.
6. Attach a (2.27 kilogram) spring scale
to the leather loop.
7. While gently pulling the scale outward,
slowly pull the paper strip in the direction
that the commutator normally rotates.
8. When the paper strip begins to move
freely, the spring scale will read the spring
brush tension.
9. Refer to the table below for proper spring
tension:
10. Repeat steps 3 through 9 for the
remaining brushes.
Motors (General)