G424 Service Manual Starting System44
1EN0298
1EN0302
1EN0296
Inspection
1. Commutator
(1) Place the armature on a pair of V-blocks and check the
runout using a dial gauge.
Standard value: 0.5 mm (0.020 in.)
Limit: 0.1 mm (0.004 in.)
(2) Check the outer diameter of the commutator.
Standard value: 29.4 mm (1.16 in.)
Limited: 28.8 mm (1.13 in.)
(3) Check depth of the undercuts between the segments.
Standard value: 0.5 mm (0.020 in.)
Limited: 0.2 mm (0.008 in.)
2. Overrunning Clutch Check
(1) While holing clutch housing, rotate the pinion. Drive
pinion should rotate smoothly in one direction, but should
not rotate in opposite direction. If clutch does not function
properly, replace overrunning clutch assembly.
(2) Inspect pinion for wear or burrs. If pinion is worn or
burred, replace overrunning clutch assembly. If pinion is
damaged, also inspect ring gear for wear or burrs.
3. Front And Rear Bracket Bushing Check
Inspect bushing for wear or burrs. If bushing is worn or
burred, replace front bracket assembly or rear bracket
assembly.
Under cut
Mica
Free
Segment
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