Craftsman 28910 Operation Manual - Page 30

CHART, appropriate, manual

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TROUBLESHOOTING CHART: See appropriate section in manual unless directed to Sears service center PROBLEM CAUSE CORRECTION Engine clicks but will not start Loss of power 1 Weak or dead battery. 2 Corroded battery terminals. 3 Loose or damaged wiring. 4 Faulty solenoid or starter. 1 Cutting too much grass/too fast. 2 Throttle in "CHOKE" position. 3 Build-up of grass, leaves and trash under mower. 4 Dirty air filter. 5 Low oil level/dirty oil. 6 Faulty spark plug. 7 Dirty fuel filter. 8 Stale or dirty fuel. Water in fuel. 10 Spark plug wire loose. 11 Dirty engine air screen/fins. 12 Dirty/clogged muffler. 13 Loose or damaged wiring. 14 Carburetor out of adjustment. Excessive vibration 15 Engine valves out of adjustment. 1 Worn, bent or loose blade. 2 Bent blade mandrel. 3 Loose/damaged part(s). Engine continues to 1 Faulty operator-safety presence run when operator control system. leaves seat with atta= chment clutch engaged 1 Recharge or replace battery. 2 Clean battery terminals. 3 Check all wiring. 4 Check/replace solenoid or starter. 1 Raise cutting height/reducespeed. 2 Adjust throttle control. 3 Clean underside of mower housing. 4 Clean/replace air filter. 5 Check oil level/change oil. 6 Clean & regap or change spark plug. 7 Replace fuel filter. 8 Empty fuel tank and refill tank with fresh, clean gasoline. 9 Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter. 10 Connect & tighten spark plug wire. 11 Clean engine air screen/fins. 12 Clean/replace muffler. 13 Check all wiring. 14 See "To Adjust Carburetor" in Service and Adjustments section. 15 Contact a Sears or other qualified service center. 1 Replace blade. Tighten blade bolt. 2 Contact a Sears or other qualified service center. 3 Tighten loose part(s). Replace damaged parts. 1 Check wiring, switches and connections. If not corrected, contact a Sears or other 30

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TROUBLESHOOTING
CHART:
See
appropriate
section in
manual
unless directed
to
Sears service center
PROBLEM
Engine
clicks
but
will
not start
Loss of power
Excessive
vibration
CAUSE
1
Weak
or dead
battery.
2
Corroded
battery
terminals.
3
Loose
or damaged
wiring.
4
Faulty
solenoid
or starter.
1
Cutting
too
much
grass/too
fast.
2
Throttle
in "CHOKE"
position.
3
Build-up
of grass,
leaves
and
trash
under
mower.
4
Dirty air filter.
5
Low oil level/dirty
oil.
6
Faulty
spark
plug.
7
Dirty fuel filter.
8
Stale or dirty fuel.
CORRECTION
1
Recharge
or replace
battery.
2
Clean
battery
terminals.
3
Check
all wiring.
4
Check/replace
solenoid
or starter.
1
Raise cutting
height/reducespeed.
2
Adjust
throttle
control.
3
Clean
underside
of mower
Water
in fuel.
10
Spark
plug wire
loose.
11
12
13
14
housing.
4
Clean/replace
air filter.
5
Check
oil level/change
oil.
6
Clean
& regap or change
spark plug.
7
Replace
fuel
filter.
8
Empty
fuel
tank
and refill tank
with
fresh,
clean
gasoline.
9
Empty
fuel
tank
and carburetor,
refill tank
with fresh
gasoline
and
replace
fuel
filter.
10
Connect
& tighten
spark
plug
wire.
Dirty engine
air screen/fins.
Dirty/clogged
muffler.
Loose
or damaged
wiring.
Carburetor
out of adjustment.
11
Clean
engine
air screen/fins.
12
Clean/replace
muffler.
13
Check
all wiring.
14
15
Engine
valves
out of adjustment.
15
1
Worn,
bent
or loose
blade.
2
Bent
blade
mandrel.
3
Loose/damaged
part(s).
Engine
continues
to
1
run
when
operator
leaves
seat
with
atta=
chment
clutch
engaged
Faulty
operator-safety
presence
control
system.
See "To Adjust
Carburetor"
in
Service
and Adjustments
section.
Contact
a Sears
or other
qualified
service
center.
1
Replace
blade.
Tighten
blade
bolt.
2
Contact
a Sears
or other
qualified
service
center.
3
Tighten loose part(s).
Replace damaged parts.
1
Check
wiring,
switches
and
connections.
If not corrected,
contact
a Sears
or other
30