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Page Title:
TABLE 5-1. SERVICE TROUBLES AND REMEDIES (Cont'd) |
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 TM 10-3930-623-12
TABLE 5-1. SERVICE TROUBLES AND REMEDIES (Cont'd)
Trouble
Probable Cause
Remedy
IGNITION SYSTEM (Cont'd)
Breaker points improperly adjusted
Regap points, dress or replace
HIGH SPEED MISS
as necessary
(Cont'd)
Weak condenser
Replace condenser
Weak coil
Replace coil
Weak spring on points
Replace points
Defective breaker points
Adjust or replace as necessary
SLOW SPEED MISS
Spark advanced too far
Adjust timing
Spark plug gaps too small
Clean and adjust or replace
as necessary
Fouled spark plugs
Clean and adjust or replace
as necessary
Weak coil
Replace coil
Defective alternator
Replace alternator
ALTERNATOR NOT
CHARGING
Brushes not making proper contact
Clean and adjust or replace
as necessary
Defective alternator regulator
Replace
Loose or worn drive belt
Tighten or replace
ALTERNATOR OUT-
PUT LOW OR
Alternator loose
Tighten mounting screw
ERRATIC
Defective commutator
Clean or replace as necessary
Battery discharged
Check battery and charge if
IMPROPER AM-
necessary
METER INDICA-
TION
Loose cable connections
Check connections at terminals
of battery, ammeter, alternator
and voltage regulator
Defective ammeter
Replace
Alternator not operating
Replace
Defective alternator regulator
Replace
FUEL SYSTEM
Restricted fuel lines or filter
Clean or replace
FUEL DOES NOT
REACH CARBURET-
Loose or broken fuel lines
Tighten or replace
OR
Defective fuel pump
Replace pump
5-20
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