Troubleshooting - Stanley 54ZS Owner's Manual

Troubleshooting 54zs, 62zs
Problem
Enginewill not start
Possible Causes Solution
1. Key in the OFF position
2. Insufficient fuel in the tank
3. Air bubble in the fuel line
4. Fuel valve in OFF position
5. Choke not ON
6. Choke linkage out of adjustment
7. Low engine oil
8. Blade control in ON position
9. Loose spark plug wire
10. Fouled spark plug
11. Plugged or dirty air filter
12. Bad gasoline
13. Plugged or dirtyfuel filter
14. Safety switches out of
alignment or loose
15. Dead battery (electric start
models)
1. Turn keyto ON position
2. Add gasoline
3. Prime engine or shake bubble out
4. Turn valve ON
5. Turn choke ON
6. Referto Engine Owner's Manual
7. Add engine oil
8. Push lever to OFF position
9. Tighten wire or connections
10. Clean or replace the plug
11. Clean or replace the air filter
12. Brain and replace with fresh gasoline
13. Replace the fuel filter
14. Adjust or tighten switches (p. 18) - read warnings!
15. Recharge or replace battery
Engine will not keep
running/quits
1. Water in the fuel
2. Loose safety switch
3. Fuel valve is OFF
4. Dirty fuel filter
5. Dirty air filter
6. Low engine oil
1. Drain and replace with fresh fuel
2. Adjust switch (p. 18)
3. Turn fuel valve ON
4. Replace fuel filter
5. Clean or replace air filter
6. Add engine oil
Engine stops when blades
are engaged
1. Loose safety switch
2. Belt tension too high
3. Blades jammed with foreign
material
1. Adjust switch (p. 18)
2. Adjust belt (p. 15)
3. Remove foreign material
Note: Firmly pushing the blade control lever into the
OFF position to ensure the safety switch is fully
engaged can sometimes resolve this problem.
Blades do not turn 1. Broken belt
2. Loose belt
3. Blade activation linkage out of
adjustment.
1. Replace belt
2. Adjust belt (p. 15)
3. Adjust linkage (p. 16)
Belts squeal when blades 1. Incorrectbelttension
are engaged 2. Excessive belt wear
1. Adjust belt tension
2. Replace belt
Belts slip when blades are 1. Incorrectbelttension
engaged 2. Excessive belt wear
1. Adjust belt tension
2. Replace belt
Rev:JUN2011 STANLEY Finish Mower 27