MTD Y28 Installing a Prewound Reel, AIR Filter Maintenance, Removing the Air Filter/Muffler Cover

MAINTENANCE AND REPAIR INSTRUCTIONS

INSTALLING A PREWOUND REEL

1.Hold the outer spool with one hand and unscrew the bump knob counterclockwise (Fig. 12). Inspect the bolt inside the bump knob to make sure it moves freely. Replace the bump knob if damaged.

2.Remove the old inner reel from the outer spool (Fig. 13).

3.Remove the spring from the old inner reel (Fig. 13).

4.Place the spring in the new inner reel.

NOTE: The spring must be assembled on the inner reel before reassembling the cutting attachment.

5.Insert the ends of the line through the eyelets in the outer spool (Fig. 20).

6.Place the new inner reel inside the outer spool. Push the inner reel and outer spool together. While holding the inner reel and outer spool, grasp the ends and pull firmly to release the line from the holding slots in the spool.

7.Hold the inner reel in place and install the bump knob by turning clockwise. Tighten securely.

AIR FILTER MAINTENANCE

Removing the Air Filter/Muffler Cover

WARNING: To avoid serious personal injury,

always turn your unit off and allow it to cool before you clean or service it.

1. Place the blue choke lever in Position 2.

NOTE: The blue choke lever must be in Position 2 to remove the air filter/ muffler cover.

2.Remove the four (4) screws securing the air filter/muffler cover (Fig. 21). Use a T-20 Torx bit screwdriver.

3.Pull the cover from the engine. Do not force.

Blue Choke

Lever

Position 2

Screws Screws

Fig. 21

Cleaning the Air Filter

Clean and re-oil the air filter every 10 hours of operation. It is an important item to maintain. Failure to maintain your air filter properly can result in poor performance or can cause permanent damage to your engine.

1.Remove air filter/muffler cover. Refer to Removing the Air Filter/Muffler Cover.

2.Turn cover over and look inside to locate the air filter. Remove the air filter from inside the air filter/muffler cover (Fig. 22).

3.Wash the filter in detergent and water (Fig. 23). Rinse the filter thoroughly. Squeeze out excess water. Allow it to dry completely.

4.Apply enough clean SAE 30 oil to lightly coat the filter (Fig. 24).

5.Squeeze the filter to spread and remove excess oil (Fig. 25).

Air Filter

Inside Muffler

Cover

Fig. 22 Fig. 23

Fig. 24 Fig. 25

6.Replace the air filter inside the air filter/muffler cover (Fig. 22).

NOTE: Operating the unit without the air filter and air filter/muffler cover assembly will VOID the warranty.

Reinstalling the Air Filter/Muffler Cover

1.Place the air filter/muffler cover over the back of the carburetor and muffler. Align the screw holes.

2.Insert the four (4) screws into the holes in the air filter/muffler cover (Fig. 21) and tighten.

Do not over tighten.

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