Assembling

Assemble circuit breaker parts in reverse order of disassembly Refer to "Removing Circuit Breaker Parts" in this section.

Check circuit breaker advance flyweight action by moving cam in direction required to advance weights to their fully extended position. Then release the cam and see if springs return to the fully retarded position. Correct causes for faulty action by cleaning and lubricating shaft, cam and flyweights with "Anti-Seize" and replacing weak springs.

Be extremely careful to avoid excessive lubrication. If too much is used, the excess is apt to get on the circuit breaker contacts and cause them to burn. For maximum operating efficiency it is recommended practice to replace circuit breaker contacts when pitted, burned or worn excessively.

The condenser (15) is a relatively long life part and will not require frequent replacement However, if the condenser is suspected of being defective simply replace with a proven new condenser and note whether engine performance is improved. A condenser that is defective will have either an open or short circuit. An open circuit will be evident by excessive arcing at breaker contacts and a shorted circuit will have no noticeable spark at the contacts.

Examine the coil to circuit breaker low tension wire (4, Figure 5-20) for brittle or cracked insulation and broken strands and replace if defective.

Examine cam advance mechanism on automatic advance circuit breakers to see that flyweights (17) move outward freely and springs (16) return them inward against stops. Check for looseness of cam (9) on spindle (10) and wear on sides of flyweight (17) ears which engage slots in cam. Check springs (16) and replace if stretched or distorted.

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