Craftsman 917.275632 Troubleshooting Chart, Cause, PROBLEM Loss of power Excessive vibration

TROUBLESHOOTING CHART:

See appropriate section in manual unless directed to Sears service center

PROBLEM

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

CAUSE

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).

1.Reverse operation system (ROS) is not "ON" while mower or other attachment is engaged.

1.Faulty operator-safety presence control system.

CORRECTION

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 carbure- tor, refill tank with fresh gas- oline and replace fuel filter.

10.Connect and 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.Turn ignition key to ROS "ON" position. See Operation section.

1.Check wiring, switches and connections. If not corrected. contact Sears or other

qualified service center.

Poor cut - uneven . Worn, bent or loose blade.

2.Mower deck not level.

3.Buildup of grass, leaves, and trash under mower.

4.Bent blade mandrel.

5.Clogged mower deck vent holes from buildup 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.

27