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Rotation Control (Item #5): Open control box (use an air hose to blow out dust and dirt). Check all wires
for breaks and replace if necessary. Check all electrical connectors and plugs if an electrical component
fails refer to Rotation Control electrical component chart for replacement parts or return for service.
Small Brush Retainer Assembly (Item #4): Inspect black brush holders for cracks and replace if needed.
Check and make sure all wires are soldered properly to the holders. Replace the brushes when their
length is less than ½ inch long. Remove the brushes and sand them to ensure a smooth contact surface.
Make sure all fasteners are tight.
Terminal Block (Item #3): Inspect the plastic terminal strip make sure it is not cracked, replace if
necessary. Make sure all terminal connections are tight. Make sure all ground wires are connected to
the mounting screws of the terminal strip.
EVERY TWELVE MONTHS:
Refer to CB-2, CB-3 Exploded View Parts List. (CB-2 page 11; CB-3 page 13)
1” Bearing with Fasteners (Item #20): Do not grease the bearing it is greased for life by the manufacturer.
If the grease fitting has not been removed and plugged we suggest that you do so now. Earlier models
may not have been plugged at time of assembly.
1-1/2” Bearing with Fasteners (Item # 21): Do not grease the bearing it is greased for life by the
manufacturer. If the grease fitting has not been removed and plugged we suggest that you do so now.
Earlier models may not have been plugged at time of assembly.
P.M. Motor Assembly (Item #10): Bodine gear motor lubrication. Fill gear motor to oil level indicator with
worm gear oil conforming to AGMA#5EP compounded (SAE#90) oil or Bodine lubricant #LO-23. Do not
overfill.
Transmission 5:1 Assembly (Item #9): Inspect for excessive wear and tear. Keep the transmission
assembly clean and lubricate with Lubriplate #630-AA.
Refer to CB-2 CB-3 Electrical Component Chart. (CB-2 page 12; CB-3 page 14)
CB-1P Collector (Item # 2): The collector ring should be sanded once a year. If the collector ring is
pitted too badly it should be replaced. Inspect all wires coming out of the collector ring for cut or missing
insulation. All wires should be fastened to the center shaft with a nylon cable tie. Tighten four set screws
if needed.
PREVENTIVE MAINTENANCE / CB-2, CB-3 CIRCLE BURNER
