Suzuki 2000 Grand Vitara SQ416, Service Manual

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YH4
GRAND
VITARA
CRANKING SYSTEM 6G-13
4. BRUSH
Check brushes for wear.
Measure length of brushes and if below limit, replace brush.
Brush length
0.9 kW and 1.2 kW types 1.4 kW type
Standard 12.3 mm (0.44 in.)
16.5 mm
(0.65 in.)
Limit 7 mm (0.28 in.)
Install brushes to each brush holder and check for smooth
movement.
5. SPRING
Inspect brush springs for wear, damage or other abnormal
conditions. Replace if necessary.
Brush spring tension
Standard 1.9 – 2.5 kg (3.97 lb)
Limit 0.6 kg (1.32 lb)
6. BRUSH HOLDER
Check movement of brush in brush holder. If brush movement
within brush holder is sluggish, check brush holder for distor-
tion and sliding faces for contamination. Clean or correct as
necessary.
Check for continuity across brush positive terminal and
grounded brush holder. If continuity exists, brush holder is
grounded due to defective insulation and should be replaced.
7. ARMATURE
Inspect commutator for dirt or burn. Correct with sandpaper or
lathe, if necessary.