Maintenance Schedule; Line Installation - Bolens BL150 Operator's Manual

MAmNTENANCE SCHEDULE
Perform these required maintenance procedures at the
frequency stated in the tame, These procedures shouHd
also be a part of any seasonaHtune-up,
NOTE: Some maintenance procedures may require
spedd tooHsor skills, If you are unsure about
these procedures take your unit to any non-road
engine repair estaMishment, individuaH or
authorized service dealer.
WARNING:
To prevent serious
injury, never perform
maintenance or repairs with unit running,
AHways service and repair a coo] unit,
Disconnect the spark phg wire to ensure that
the unit cannot start.
NOTE: Maintenance, rephcement, or repair of the
emission controH devices and system may be
performed by any non-road engine repair
establishment, individual or authorized service
dealer,
In order to assure peak performance of your engine,
inspection of the engine exhaust port may be necessary'
after 50 hours of operation. If you notice lost RPM, poor
performance or general lack of acceleration, this service
may be required, If you feel your engine is in need of this
inspection, refer service to any non-road engine repair
establishment, individual or authorized service dealer for
repair, DO NOT attempt to perform this process yourself
as engine damage may result from contaminants
involved in the cleaning process for the port,
FREQUENCY MNNTENANCE REQUIRED REFER TO
Before starting engine Fi[[ fuel tank with fresh fuel Page 8
Every 10 hours Clean and re-oil air filter Page 13
Check and clean spark arrestor Page 14
Every 25 hours
Check spark plug condition and gap Page 15
Inspect exhaust port and spark arrestor screen for clogging or Page 14
Every 50 hours obstruction to assure maximum performance levels
UNE mNSTALLATmON
This section covers both SpHitLine
TM
and standard single
line installation,
Always use original equipment manufacturer 0,080 in,
(2.03 mm) replacement line, Line other than the specified
may make the engine overheat or fail,
WARNING: Never use m etal-
reinforced line, wire,
chain or rope. These can break off and
become dangerous projectiles.
There are two methods to replace the trimming line:
Wind the inner reel with new line
• Install a prewound inner reel
Winding the Existing _nner Reel
1, Hold the outer spool with one hand and unscrew the
Bump Knob
TM
counterclockwise (Fig, 12). Inspect the
bolt inside the Bump Knob to make sure it moves
freely, Replace the Bump Knob if damaged,
Bolt
Bump Knob
TM
2.
3.
4.
Remove the inner reel from the outer spool (Fig. 13),
Remove spring from the inner reel (Fig, 13),
Use a clean cloth to clean the the inner reel, spring,
shaft, and inner surface of the outer spool,
Check the indexing teeth on the inner reel and outer
spool for wear (Fig, 14). If necessary, remove burrs or
replace the reel and spool,
Outer SpooJ
\
\
Spring
Inner Reem
Indexing Teeth
Fig. 13
Fig. 12 Fig. 14
11