Tennant ATLV 4300 Service Manual page 94

ELECTRICAL
no
Check wire 1/RED from the
Check battery,
starter motor, to the alternator, to
battery cables, and
the key switch and repair or
connections.
replace as necessary.
Repair
connections or
replace battery
cables
4-26
ENGINE WILL NOT CRANK
First check to make sure that:
1. Battery is charged.
2. Fuel in the fuel tank.
3. Unrestricted air filter.
Starter motor won't turn
Is there battery
voltage at the battery cable terminal
of the starter motor
Again, while turning the
key to the start position,
check for battery
voltage at wire 4C/YEL
at the starter motor
solenoid M1.
yes
Replace the starter motor
solenoid or starter motor
assembly
yes
Check for battery
voltage at terminal
no
30 of the key
switch.
yes
no
Repair or
replace wire
4C/YEL
Starter motor turns
yes
While turning the key
switch to the start
position, check for
battery voltage at
Terminal 50 of the key
switch with respect to
battery negative (- -).
no
Replace the ignition
switch
ATLV 4300 330495 (10- -98)