Craftsman YS 4500 917.28990 Manuel d'utilisateur télécharger pdf (Page 31)

TROUBLESHOOTING CHART:

See appropriate section in manuai unless directed to Sears service center

PROBLEM CAUSE CORRECTION

Engine clicks but

1 Weak or dead battery. 1 Recharge or replace battery.

will not start

2 Corroded battery terminals. 2 Clean battery terminals.

3 Loose or damaged wiring. 3 Check all wiring.

4 Faulty solenoid or starter. 4 Check/replace solenoid or starter.

Loss of power

1 Cutting too much grass/too fast. 1 Raise cutting height/reduce

speed.

2 Throttle in “CHOKE” position. 2 Adjust throttle control.

3 Build-up of grass, leaves and

trash under mower.

3 Clean underside of mower

housing.

4 Dirty air filter. 4 Clean/replace air filter.

5 Low oil level/dirty oil. 5 Check oil level/change oil.

6 Faulty spark plug. 6 Clean and regap or change spark

plug.

7 Dirty fuel fitter. 7 Replace fuel filter.

8 Stale or dirty fuel. 8 Empty fuel tank and refill tank with

fresh, clean gasoline.

9 Water in fuel. 9 Empty fuel tank and carburetor,

refill tank with fresh gasoline and

replace fuel filter.

10 Spark plug wire loose. 10 Connect and tighten spark plug

wire.

11 Dirty engine air screen/fins. 11 Clean engine air screen/fins.

12 Dirty/clogged muffler. 12 Clean/replace muffler.

13 Loose or damaged wiring. 13 Check all wiring.

14 Carburetor out of adjustment. 14 See “To Adjust Carburetor” in

Service and Adjustments section.

15 Engine valves out of adjustment. 15 Contact a Sears or other qualified

service center.

Excessive vibration

1 Worn, bent or loose blade. 1 Replace blade. Tighten blade bolt.

2 Bent blade mandrel. 2 Contact a Sears or other

qualified service center.

3 Loose/damaged part(s). 3 Tighten loose part(s).

Replace damaged parts.

Engine continues to

run when operator

leaves seat with

attachment clutch

engaged

1 Faulty operator-safety presence

control system.

1 Check wiring, switches and

connections. If not corrected,

contact a Sears or other

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Craftsman YS 4500 917.28990 Manuel d'utilisateur Page 31

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