ELECTRICAL COMPONENTS: KEY-START WITH
NEUTRAL REV GAS VEHICLE
Starter/Generator
13
2.
Check the wear line on the side of the brush. If the end of the brush is within 1/16-inch (1.6 mm) of the wear line,
replace all four brushes
.
0
1
1/2
1/2
1
2
4
3
1. Starter/Generator 2. Brush 3. Brush Holder 4. Wear Line
489
Figure 13-4
Inspect Brushes
BRUSH SPRING INSPECTION AND REPLACEMENT
1.
Visually inspect springs. Replace all four springs if any spring is discolored from heat (straw or bluish in color).
2.
Install the four brushes (27) into their holders and insert the four brush springs (28)
Using a spring scale, test brush spring tension. If any spring has a tension less than 24 ounces (6.67 N), replace
all four springs
See following CAUTION.
CAUTION
• When checking brush spring tension, do not push springs beyond the point they would normally be if
there were new brushes installed. Exerting excessive force or pushing brush springs beyond their
normal maximum extension point will damage springs.
0
5
10
15
20
25
30
35
40
45
50
490
Figure 13-5
Brush Spring Tension Test
STARTER/GENERATOR ASSEMBLY
1.
Connect the brush wires to the holders using four lockwashers (26) and four screws (25). Make sure the
crossover leads are also connected. Tighten the screws to 31 in-lb (3.5 N·m)
2007-2009 Turf 252, Carryall 252 and XRT 900 Maintenance and Service Manual
Page 13-3