Lawn-Boy SilverPro Series Operator's Manual - Troubleshooting
16
11. Hold the blade control bail against the upper handle
(Fig. 34) and pull the starter rope several times to blow
out loose carbon.
982
1
3
2
Figure 34
1.
Blade control bail
2.
Upper handle
3.
Starter handle
12. Wipe the bottom of the cover plate and the edge of the
engine mounting plate where the sealant will go with a
clean cloth to remove any dirt (Fig. 33).
13. Run a bead of high temperature, automotive silicone
sealant along the edge of the engine mounting plate
where the cover plate will rest (Fig. 33).
14. Install the transfer pipe and cover plate (Fig. 33),
torquing the four capscrews to 75 in-lbs. (8.5 N·m).
15. Install the blade driver, blade, and mulch fan with the
blade nut. Refer to the Installing the Blade section,
page 14.
16. Torque the blade nut to 560 in-lbs. (47 ft-Ibs.)
(63 Nm).
17. Tip the mower upright.
18. Connect the spark plug wire.
Troubleshooting
Your mower was designed and built for trouble-free operation. Check the following components and items carefully. If a
problem continues, see your Authorized Lawn-Boy Service Dealer.
PROBLEM
CORRECTIVE ACTION
Engine will not start
1. Fill the fuel tank with fresh gasoline/oil mix
g
2. Move throttle lever to the FAST position
3. Press the primer three times
4. Spark plug
•
Connect the spark plug wire
•
Clean the spark plug, check the spark plug gap, and replace
it if it is damaged
Engine starts hard or loses power
1. Move the throttle lever to the FAST position.
2. Drain and refill the fuel tank with fresh gasoline/oil mix
3. Clean the gas cap vent hole
4. Clean or replace the air filter element
5. Clean the mower discharge chute
6. Clean the underside of the mower deck
7. Clean the spark plug, check the spark plug gap, and replace it
if it is damaged
Engine runs rough
1. Connect the spark plug wire
g
g
2. Clean the spark plug, check the spark plug gap, and replace it
if it is damaged
3. Move the throttle lever to the FAST position
4. Clean or replace the air filter element