Installing A Prewound Reel; Air Filter Maintenance - Bolens BL150 Operator's Manual

MAINTENANCE & 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.
Replacement Parts
See Accessories / Replacement Parts.

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) (Fig. 21) to remove the air filter/muf-
fler cover.
2. Remove the four (4) screws securing the air filter/muffler
cover (Fig. 21). Use a flat blade or T20 Torx bit
screwdriver.
3. Pull the cover from the engine. Do not force.
Choke Lever
Screws
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 the air
filter will VOID the warranty.
1. Remove air filter/muffler cover. Refer to Removing the Air
2. Turn cover over and look inside to locate the air filter.
3. Wash the filter in detergent and water (Fig. 22). Rinse the
4. Apply enough clean SAE 30 oil to lightly coat the filter
5. Squeeze the filter to spread and remove excess oil (Fig. 23).
Air Filter
Fig. 21
Partial Choke
6. Replace the air filter inside the air filter/muffler cover
Position (B)
NOTE: Operating the unit without the air filter and air fil-
Screws
13
Filter/Muffler Cover.
Remove the air filter from inside the air filter/muffler
cover (Fig. 22).
filter thoroughly. Squeeze out excess water. Allow it to
dry completely.
(Fig. 23).
Inside Muffler
Cover
(Fig. 22).
ter/muffler cover assembly will VOID the warranty.
Fig. 22
Fig. 23