G 2500 3/4 Ton Van V8-305 5.0L VIN M SFI (1997)
Aligning Timing Marks
A. Align the marks on the commutator end frame and frame and field assembly made prior to disassembly.
B. Start the commutator end frame onto the frame and field assembly, leaving a gap just slightly larger than the thickness of the O-ring seal.
7. Brush plate screws.
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Use a scribe or similar tool to align the tapped holes in the brush holder assembly with the screw holes in the commutator end frame.
Tighten
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Brush plate screws to 2.8 N.m (25 lb in).
8. Through-bolts.
A. Install the through-bolts and tighten by hand. Do not close the gap between the commutator end frame and frame and field assembly where the
O-ring seal goes.
B. Roll the O-ring seal back down into its installed position between the commutator end frame and the frame and field assembly.
Frame, Field, And Brush Holder Group
C. Align the timing ribs on the edge of the commutator end frame with the timing spots on the frame and field assembly to ensure proper brush
alignment. Marks are located in two places on the motor, but will only match one way.
Tighten
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Through-bolts to 8.5 N.m (75 lb in).
