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TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM CAUSE CORRECTION
Will not start 1.
Out of fuel.
2.
Engine not "CHOKED" properly.
3.
Engine flooded.
4.
Bad spark plug.
5.
Dirty air filter.
6.
Dirty fuel filter.
7.
Water in fuel.
8.
Loose or damaged wiring.
9.
Carburetor out of adjustment.
10. Engine valves out of adjustment.
11. Extreme Cold Conditions
1.
Fill fuel tank.
2.
See "TO START ENGINE" in Operation section.
3.
Wait several minutes before attempting to start.
4.
Replace spark plug.
5.
Clean/replace air filter.
6.
Replace fuel filter.
7.
Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter.
8.
Check all wiring.
9.
See "To Adjust Carburetor" in Service and Adjustments section.
10. Contact a Sears or other qualified service center.
11. See "To start engine" in operation section.
Hard to start
1.
Dirty air filter.
2.
Bad spark plug.
3.
Weak or dead battery.
4.
Dirty fuel filter.
5.
Stale or dirty fuel.
6.
Loose or damaged wiring.
7.
Carburetor out of adjustment.
8.
Engine valves out of adjustment.
1.
Clean/replace air filter.
2.
Replace spark plug.
3.
Recharge or replace battery.
4.
Replace fuel filter.
5.
Empty fuel tank and refill tank with fresh, clean gasoline.
6.
Check all wiring.
7.
See "To Adjust Carburetor" in Service and Adjustments section.
8.
Contact a Sears or other qualified service center.
Engine will not turn over
1.
Brake pedal not depressed
2.
Attachment clutch is engaged.
3.
Weak or dead battery.
4.
Blown fuse.
5.
Corroded battery terminals.
6.
Loose or damaged wiring.
7.
Faulty ignition switch.
8.
Faulty solenoid or starter.
9.
Faulty operator presence switch(es).
Engine clicks but will not start
1.
Weak or dead battery.
2.
Corroded battery terminals.
3.
Loose or damaged wiring.
4.
Faulty solenoid or starter.
1.
Depress brake pedal.
2.
Disengage attachment clutch.
3.
Recharge or replace battery.
4.
Replace fuse.
5.
Clean battery terminals.
6.
Check all wiring.
7.
Check/replace switch.
ignition
8.
Check/replace starter.
solenoid
9.
Contact a Sears or other or qualified service center.
1.
Recharge or replace battery.
2.
Clean battery terminals.
3.
Check all wiring.
4.
Check/replace starter.
solenoid or
30
TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM CAUSE CORRECTION
Loss of power
Excessive vibration
Engine dies when tractor is shifted into reverse
Engine continues to run when operator leaves seat with attach ment clutch engaged
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.
9.
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.
15. Engine valves out of adjustment.
1.
Worn, bent or loose blade.
2.
Bent blade mandrel.
3.
Loose/damaged part(s).
,
Reverse operation system
(ROS) is not "ON" while mower or other attachment is engaged.
1.
Faulty operator-safety presence control system.
1.
Raise cutting height/reduce speed.
2.
Adjust throttle control.
3.
Clean underside of mower housing.
4.
Clean/replace air filter.
5.
Check oil level/change oil.
6.
Clean and 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 and tighten spark plug wire.
11. Clean engine air screen/fins.
12. Clean/replace
13. Check all wiring.
muffler.
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.
Turn ignition key to
ROS "ON" position.
See Operation section.
,
Check wiring, switches and connections.
If not corrected, contact a Sears or other qualified service center.
Poor cut - uneven
,
Worn, bent or loose blade.
2.
3.
4.
Mower deck not level.
Buildup of grass, leaves, and trash under mower.
Bent blade mandrel.
5.
Clogged mower deck vent from build-up of grass, leaves, and trash around mandrels.
1.
Replace blade.
Tighten blade bolt.
2.
Level mower deck.
3.
Clean underside of mower housing.
4.
Contact a Sears or other qualified service center.
5.
Clean around mandrels to open vent holes.
31
TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM CAUSE
CORRECTION
1. Remove obstruction.
Mower blades will not rotate
1.
Obstruction in clutch mechanism.
2.
Worn/damaged drive belt.
mower
3.
Frozen idler pulley.
4.
Frozen blade mandrel.
2.
Replace mower drive belt.
3.
Replace idler pulley.
4.
Contact a Sears or other qualified service center.
Poor grass discharge
1.
Engine speed too slow.
2.
Travel speed too fast.
3.
Wet grass.
4.
Mower deck not level.
5.
Low/uneven tire air pressure.
6.
Worn, bent or loose blade.
7.
Buildup of grass, leaves and trash under mower.
8.
Mower drive belt worn.
9.
Blades improperly installed.
10. Improper blades used.
11. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels.
1.
Place throttle control in
"FAST" position.
2.
Shift to slower speed.
3.
Allow grass to dry before mowing.
4.
Level mower deck.
5.
Check tires for proper air
6.
pressure.
Replace/sharpen blade.
Tighten blade bolt.
7.
Clean underside of mower housing.
8.
Replace mower drive belt.
9.
Reinstall blades sharp edge down.
10. Replace with blades listed in this manual.
11. Clean around mandrels to open vent holes.
Headlight(s) working not
(if so equipped)
Battery will not charge
Loss of drive
Engine "backfires' when turning engine "OFF"
1.
Light switch is "OFF".
2.
Bulb(s) or lamp(s) burned out.
3.
Faulty light switch.
4.
Loose or damaged wiring.
5.
Blown fuse.
1.
Turn light switch "ON".
2.
Replace bulb(s) or lamp(s).
3.
Check/replace light switch.
4.
Check wiring and connections.
5.
Replace fuse.
1. Bad battery cell(s).
2.
Poor cable connections.
1.
Replace battery.
2.
Check/clean all connections.
3.
Replace regulator.
3.
Faulty regulator
(if so equipped).
4.
Faulty alternator.
1.
Freewheel control in
"disengaged" position.
2.
Motion drive belt worn, damaged, or broken.
3.
Air trapped in transmission during shipment or servicing.
4.
Replace alternator.
1.
Place freewheel control in
"engaged" position.
2.
Replace motion drive belt.
3.
Purge transmission.
,
Engine throttle control not set between half and full speed
(fast) position before stopping engine.
32
,
Move throttle control between half and full speed
(fast) position before stopping engine.
SCHEMATIC
TRACTOR -- MODEL NUMBER 917.276360
BATTERY
SOLENOID
IGNITION
UNIT
O q
/
SPARK PLUGS
GAP
(2 PLUGS
O
ON TWIN CYL. ENGINES)
LIGHT SW I i
I ORANGE
23 VOLTSAC @3600£PM
(aEGU_TOR O_SCON_ECTEO)
IGNITION SWITCH
POSITION CIRCUIT "MAKE"
OFF
RUN/OVERRIDE
M+G+A1
B+A1
RUN
START
B+A1
B + S + A1
L+A2
BLACK
NOTE
YOUR TRACTOR IS
EQUIPPED WITH A SPECIAL
ALTERNATOR SYSTEM.
THE LIGHTS ARE NOT
CONNECTED TO THE
BATTERY, BUT HAVE THEIR
OWN ELECTRICAL SOURCE.
BECAUSE OF THIS, THE
BRIGHTNESS OF THE LIGHTS
WILL CHANGE WITH ENGINE
SPEED.
AT IDLE THE LIGHTS
WILL DIM. AS THE ENGINE IS
SPEEDED UP, THE LIGHTS
0284_iWILL BECOME THEIR BRIGHTEST.
HEADLIGHTS
•
NON-REMOVABLE
CONNECTIONS
O
REMOVABLE
CONNECTIONS
WIRING INSULATED CLIPS
NOTE: IF WIRING INSULATED CLIPS
WERE REMOVED FOR SERVICING OF
UNIT, THEY SHOULD BE REPLACED
TO PROPERLY SECURE YOUR WIRING.
33
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