Maintenance - Troy-Bilt TB75SS Operator's Manual

DECORATIVE TRIMMING
Decorative trimming is accomplished by removing all
vegetation around trees, posts, fences, etc.
Rotate the whole unit so that the cutting attachment is at
a 30" angle to the ground (Fig. 11).
NOTE: Some maintenance procedures may require
special tools or skills. If you are unsure about
these procedures take your unit to an authorized
service dealer.
MAINTENANCE SCHEDULE
These required maintenance procedures should be
performed at the frequency stated in the table. They
should also be included as part of any seasonal tune-up.
WARNING; To prevent serious injury, never
do maintenance or repairs with uni± running.
Always do r_aintenance and repairs on a
cool unit. Disconnect spark plug wire to
ensure the unit will not start.
FREQUENCY MAINTENANCE REQUIRED
REFER TO:
Before Starting Engine Fill fuel tank with correct oil and fuel mixture Page g
Every 10 Hours Clean and re-oil air filter Page 16
Every 25 Hours Check spark arrestor and clean Page 17
Check spark plug condition and gap Page 19
Every 50 Hours Inspect exhaust port and spark arrestor screen for clogging Page 17
or obstruction to assure maximum performance levels.
LINE INSTALLATION
This section covers both Split-Line _"_ line and standard
single line installation.
Always use Troy-Bilt fM 0.095 inch (2.41 mm) replacement
line. Using line other than specified may make the engine
overheat or fail.
WARNING: Never use metal-reinforced line,
wire, chain, or rope, etc. These can break off
and become dangerous projectiles.
2,
3.
Remove the inner reel from the outer spool (Fig. 13).
Remove spring from the inner reel (Fig. 13).
Bump _ob
/
There are two methods to replace the trimming line.
• Wind the inner reel with new line
• Install a prewound inner reel
Winding the Existing Inner 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.