Brush and brush holder
1. Verify that there is no continuity between each insulated brush and plate using a tester.
z
If there is continuity, replace the brush holder.
Fig. 16: Checking Continuity Between Brush And Plate With Tester
Courtesy of MAZDA MOTORS CORP.
2. Measure the brush length.
z
If any brush is worn almost to or beyond the minimum specification, replace all of the brushes.
Starter brush length
Standard: 12.3 mm {0.48 in}
Minimum: 5.5 mm {0.22 in}
Fig. 17: Identifying Brush Length
Courtesy of MAZDA MOTORS CORP.
3. Measure the brush spring force using a spring balance.
z
If not within the minimum specification, replace the brush and brush holder component.
Starter brush spring force
Standard: 15.0-20.4 N {1.53-2.08 kgf, 3.38-4.58 lbf}
2008 Mazda CX-9 Grand Touring
2008 ENGINE Starting System (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 9:56:47 AM
Page 9
© 2005 Mitchell Repair Information Company, LLC.