ENGINE SPEED
The engine speed on your Yard Vacuum has been set at the factory. Do not attempt to increase the engine RPM. If you think that the engine is running too fast or too slow, take your Yard Vacuum to the nearest Sears Parts & Repair Center for repair and adjustment.
WARNING: Do not attempt to alter the engine speed by tampering with the engine’s governor linkage. Doing so could result in serious personal injury and damage to the engine. The engine RPM has been set at the factory.
REMOVING THE FLAIL SCREEN
If the discharge area becomes clogged, remove the flail screen and clean area as follows.
•Stop the engine. Make certain the chipper shredder vacuum has come to a complete stop.
•Before unclogging the discharge chute, disconnect and ground the spark plug wire to retaining post. See Figure 2 .
•Remove the vacuum bag or blower chute from the unit as instructed in the OPERATION section to obtain access to flail screen. See Figure 18.
Hex Screw |
|
Flange Lock Nut | Flail Screen |
REAR VIEW | |
Figure 18
•Remove the two self tapping screws securing the belt cover, and remove the belt cover. See Figure 19.
Self |
Tapping |
Screws |
Belt |
Cover |
Figure 19
•Remove self tapping screw on right side of unit that attaches to the flail screen. See Figure 20.
Remove |
For Blade |
Removal |
Remove |
Self Tapping |
Screw |
Figure 20
•Remove hex screw on top of rear housing near mounting bracket and the flange lock nut that secures flail screen. See Figure 17.
•Remove and clean the screen by scraping or washing with water. Reinstall the screen.
SHARPENING OR REPLACING CHIPPER BLADE
NOTE: When tipping the unit, empty the oil and fuel tank and keep engine spark plug side up.
•Disconnect and ground the spark plug wire to retaining post. See Figure 2 .
•Remove hose assembly and bag assembly.
•Remove the three bolts holding the hose hanger bracket and chipper chute to the upper housing. See Figure 20.
•Remove the front hubcaps, flange lock nuts, front wheels, and wave washers that attach to the pivot arm assemblies. See Figure 21.
Front Support | |
Brace & Lock Nut | |
Spring Lever Bell Washer | |
| Wave Washer |
| Hubcap |
Height Adj. Bearing |
|
Pivot Arm Assembly |
|
Thrust Washer |
|
Shoulder |
|
Screw | Flange Lock Nut |
Figure 21
16