MTD YM400 Brush Cutter User Manual


 
13
Holding Slots
Spring
Eyelet
Eyelet
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 Pre Wound Reel
1. Hold the outer spool with one hand and unscrew the
bump knob counterclockwise. See Figure 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. See
Figure 13.
3. Remove the spring from the old inner reel. See
Figure 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. See Figure 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 reel.
7. Hold the inner reel in place and install the bump
knob by turning clockwise. Tighten securely.
Replacement Parts
For replacement parts, refer to the Accessories /
Replacement Parts section.
Air Filter Maintenance
Removing the Air Filter/Muffler Cover
WARNING: To avoid serious personal injury,
always turn your trimmer off and allow it to
cool before you clean or service it.
1.
Place the choke lever in the PARTIAL choke position (B).
NOTE: The choke lever must be in the PARTIAL choke
position (B) to remove the air filter/ muffler cover.
See Figure 21.
2. Remove the four (4) screws securing the air filter/
muffler cover. See Figure 21. Use a flat blade or T20
Torx bit screwdriver.
3. Pull the cover from the engine. Do not force.
Choke Lever
Screws
Screws
Partial Choke
Position (B)
Cleaning the Air Filter
WARNING: To avoid serious personal injury,
always turn your trimmer off and allow it to
cool before you clean it or perform any
maintenance.
Clean and re-oil the air filter every 10 hours of operation.
It is an important item to maintain. Failure to maintain the
air filter will VOID the warranty.
1. Remove air filter/muffler cover. See 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. See Figure 22.
3. Wash the filter in detergent and water. See Figure 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. See Figure 24.
5. Squeeze the filter to spread and remove excess oil.
See Figure 25.
SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS
Figure 21
Figure 20
Figure 19