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Commutator Test

  1. Clean surface and polish with No. 400 sandpaper, if required. If surface is scored, out of round or pitted, turn commutator in a lathe.
  2. Maximum commutator runout and minimum diameter of commutator must not exceed specification after turning. See COMMUTATOR SPECIFICATIONS table.
  3. Commutator mica undercut depth should be .020 -.030" (.50 -.80 mm). Minimum mica undercut depth is .008" (.20 mm). If not within specification, undercut to standard depth.
COMMUTATOR SPECIFICATIONS

Application Maximum Runout In. (mm) Minimum Diameter In. (mm)
B2200 A/T .004 (.10) 1.13 (28.8)
B2600i
A/T .002 (.05) 1.24 (31.4)
M/T .002 (.05) 1.08 (27.4)
MPV
4-Cylinder
1.2 kW .002 (.05) 1.08 (27.4)
1.4 kW .002 (.05) 1.24 (31.4)
V6 .004 (.10) 1.13 (28.8)
MX-3 V6
A/T .004 (.10) 1.24 (31.4)
M/T .004 (.10) 1.14 (29.0)
MX-6 & 626
A/T .004 (.10) 1.24 (31.4)
M/T .004 (.10) 1.13 (28.8)
Protege A/T .004 (.10) 1.13 (28.8)
929 .002 (.05) 1.13 (28.8)