Maintenance And Repair Instructions - Troy-Bilt TB425CS Manual Del Operador

Recortador de 4 ciclos a gasolina
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MAINTENANCE AND REPAIR INSTRUCTIONS

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.
FREQUENCY
Before starting engine
Every 10 hours
First change at 10 hours
Every 25 hours thereafter
Every 25 hours
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:
chain or rope. These can break off and
become dangerous projectiles.
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.
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. 41).
WARNING:
when installing trimming line on the unit.
The line may not release properly if the line
is too long.
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
Never use metal-
reinforced line, wire,
®
Always use the
correct line length
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.
WARNING:
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.
Top View Of The SpeedSpool
Outer Spool
Inner Reel
3. Pull old line out of the line loading and line locking
holes (Fig. 42 and 43).
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. 42). Do not
bend the line when inserting it into the eyelet.
To prevent serious
injury, never perform
REFER TO
Page 12
Page 16
Page 17
Page 16
Page 16
Page 20
Page 18
Page 18
Page 20
®
Arrows
Bump Knob
Fig. 41
13

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Tb475ss

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