Yard-Man 24A-020D401 manual Lubrication, Maintenance, Removing The Flail Screen, Engine

Models: 24A-020D401

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Lubrication

WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubricating or doing any kind of maintenance on your machine.

Lubrication

Wheels: Lubricate each wheel shoulder screw once a season with light oil. Refer to Figure 5.

Nozzle height adjustment levers: Lubricate the pivot points of the nozzle height adjustment levers once a season with light oil. Refer to Figure 5.

Engine: Follow the separate engine manual packed with your unit for lubrication instructions.

Maintenance

Engine

Refer to the separate engine manual for all engine maintenance instructions.

Check engine oil level before each use as instructed in the separate engine manual packed with your unit. Read and follow instructions carefully.

Clean air cleaner every 25 hours under normal conditions or once a season. Clean every few hours under extremely dusty conditions. To service the air cleaner, refer to the separate engine manual packed with your unit.

The spark plug should be cleaned and the gap reset once a season. Check engine manual for correct plug type and gap specifications.

Removing The Flail Screen

If the discharge area becomes clogged, remove the flail screen and clean area as follows:

Stop the engine and make certain the chipper shredder vacuum has come to a complete stop.

Disconnect spark plug wire from spark plug and ground against the engine.

Hex Screw & Flat Washer

Lock Nut

Flail Screen

Figure 9

Remove the bag or blower chute from the unit as instructed in the OPERATION section to obtain access to flail screen. See Figure 9.

Remove hex screw on right side of unit that attaches to the fail screen. See Figure 10.

Remove hex screw and flat washer on top of rear housing mounting bracket and the lock nut that secures flail screen. See Figure 9.

Remove and clean the screen by scraping or washing with water. Reinstall the flail screen.

Remove

Hex Screw

Figure 10

Sharpening Or Replacing Chipper Blade

Because the engine on this unit has a tapered crankshaft, a special impeller tool (part number 753- 0900) is required to remove the impeller assembly. For further assistance, contact your local service dealer.

NOTE: When tipping the unit, empty the fuel tank and keep spark plug side up.

Disconnect the spark plug wire and ground it away from the spark plug.

Remove the lock nuts, front wheels, and wave washers that attach to the pivot arm assemblies. See Figure 11.

 

Pivot Arm Assembly

 

Bell Washer

 

Wave Washer

Height Adjustment

 

Bracket

 

Shoulder

 

Screw

Lock Nut

Figure 11

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Yard-Man 24A-020D401 Lubrication, Maintenance, Removing The Flail Screen, Engine, Sharpening Or Replacing Chipper Blade