ServiceManual

ToC SERVICE MANUAL MARINE ENGINES
06 ELECTRICAL SYSTEM
06.03.01 Check starter
Trouble features
When switching on the starter
(acutation of starter key), starter shaft
not turning or only slowly; starter
pinion not engaging
Cause
battery discharged and/or defective
terminals of starter battery are loose
and/or oxidized, bad ground
connection
earth short circuit of terminals of
starter or carbon brushes
carbon brushes not resting on
collector (sticking in guide, are
broken, oily or worn out)
starter key or starter relay K28 and/or
actuating relay on starter defective
Relief
charge battery and/or replace
clean terminals and tighten, treat with
pole grease, provide ground
connection
eliminate earth short circuit
depending on failure, make work
carbon brushes, clean or replace -->
in case of very strong wear, replace
various parts and/or starter
replace starter key or relay
voltage drop in lines too large, lines
damaged, line connections loose,
links oxidized
check starter line, eventually replace,
clean links and tighten
starter keeps on running after starter
key was released
starter does not interrupt; starter key,
starter relay (K28), actuating relay
(on starter) defective
short-circuit in wiring (cable No.:
50000-xx connected to +12V)
immediately turn off ignition,
immediately disconnect battery;
check key and/or relay, evenutally
replace; check wiring
in case of longer running time -->
replace starter
Z001019/0_6_July 2008 Page ELECTRICAL SYSTEM - 17