Maintenance & Repair Instructions; Maintenance Schedule; Maintenance Required - Troy-Bilt TB525CS Manuel De L'utilisateur

MAINTENANCE SCHEDULE

Perform these required maintenance procedures at the frequency
stated in the table. These procedures should also be a part of any
seasonal tune-up.
NOTE: Some maintenance procedures may require special tools
or skills. If you are unsure about these procedures take
your unit to any non-road engine repair establishment,
individual or authorized service dealer.
WARNING:
To prevent serious injury, never perform
maintenance or repairs with unit running. Always service
and repair a cool unit. Disconnect the spark plug wire to
ensure that the unit cannot start.
FREQUENCY
Before starting engine
Every 10 hours
1st change at 10 hours
2nd change at 25 hours
Every 25 hours after
10 hours on new engine
Every 25 hours
Every 25 hours
SPEEDSPOOL® LINE INSTALLATION
Always use original equipment manufacturer 0.095 inch (2.41 mm)
replacement line. Lines other than those specified may make the
engine overheat or fail.
WARNING:
Do not remove or alter the line cutting
blade assembly. Excessive line length will make the
clutch overheat. This may lead to serious personal
injury or damage to the unit.
There are two methods
to replace the
SpeedSpool® trimming
line:
• Wind the inner reel with
new line
• Install a pre-wound
inner reel
Winding the Inner Reel
With New Line
NOTE: It Is unnecessary
to remove the
bump knob to
install a new trimming line.
WARNING:
Do not remove or alter the line cutting
blade assembly. Excessive line length will make the
clutch overheat. This may lead to serious personal
injury or damage to the unit.
1. Cut two pieces of
0.095 inch (2.41 mm)
trimming line, 10 feet
(3 m) long.
2. Hold the outer spool
and turn the inner
reel
counterclockwise to
line up the arrows on
the outer spool and
inner reel (Fig. 20).
3. Pull old line out of
the line loading and line locking holes (Fig. 22 and 23).
4. Insert a piece of trimming line straight into one of the two
eyelets in the outer spool. Push it up through the line loading
hole in the inner reel (Fig. 21). Do not bend the line when
MAINTENANCE AND REPAIR INSTRUCTIONS

MAINTENANCE REQUIRED

Fill fuel tank with fresh fuel
Check oil
Clean and re-oil air filter
Change oil
Change oil
Clean spark arrestor
Check rocker arm to valve clearance and adjust
Check rocker arm to valve clearance and adjust
Check spark plug condition and gap
Top View Of The SpeedSpool®
Arrows
Outer
Spool
Bump
Inner Reel
Knob
Fig. 20
Trimming Line
Eyelet
Line Loading Hole
Fig. 21
NOTE: Maintenance, replacement, or repair of the emission control
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.
inserting it into the
eyelet.
5. Insert the line into
the locking hole (Fig.
22). Do not push the
line more than a 1/2
inch (12.7 mm) into
the line locking hole.
The line will form a
small loop (Fig. 22)
when it is inserted
correctly.
6. Pull the line from the
outer spool until the
line is tight against
the inner reel (Fig.
23).
7. Repeat
procedures 4-6
with the second
piece of line.
8. Hold the outer
spool. Wind the
inner reel
counterclockwise
until approximately
four (4) inches (102
mm) of line remain
(Fig. 24).
9. If winding the line
becomes difficult
or if the line jams,
pull the ends of
the line from the
spool (Fig. 24).
Continue winding
the inner reel
counterclockwise
until approximately
6 inches of line is
left.
INSTALLING A PRE-WOUND
REEL
1. Turn the bump knob
SEE
p. 5
p. 8
p. 9
p. 8
p. 8
p. 10
p. 9
p. 9
p. 10
Line Locking Hole
Fig. 22
Fig. 23
Fig. 24
Fig. 25
7