Yard-man YM400 User Manual download pdf (Page 13)

Spring

Fig. 20

MAINTENANCE AND REPAIR INSTRUCTIONS

13. Insert the ends of the line through the eyelets in the

outer spool and place inner reel with spring inside

the outer spool (Fig. 20). 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 reel.

NOTE: The spring must be assembled on the inner reel

before reassembling the cutting attachment.

14. Hold the inner reel in place and install the bump

knob by turning clockwise. Tighten securely.

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

1. Remove the four (4) screws securing the air

filter/muffler cover (Fig. 17). Use a T20 Torx bit

screwdriver.

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

To avoid serious

personal injury,

always turn your unit off and allow it to cool

before you clean or service it.

WARNING:

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).

Screws

Blue EZ-Start™

Lever

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 63 64

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Yard-man YM400 User Manual Page 13

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