MTD TP720r Betreibershandbuch PDF herunterladen (Seite 13)

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. I

Disconnect the spark plug wire to ensure that I

the unit cannot start. J

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.

Before starting engine Fill fuel tank with fresh fuel Page 9

Every 10 hours Clean and re-oil air filter Page 16

Every 25 hours Check and clean spark arrestor Page 17

Check spark plug condition and gap Page 18

.... Inspect exhaust port and spark arrestor screen for clogging or _ _

Lvery bu nours ......... vage //

ODS[ruc[Ion [o assure maximum penormance levels

LINE INSTALLATION FOR THE SPEEDSPOOL _

WARNING: Never use metal-reinforced

line, wire, chain or ropel These can break I

off and become dangerous projectiles. J

Always use Genuine Factory Parts TM 0.080 inch

(2.03 mm) replacement line. Lines other than those

specified may make the engine overheat or fail.

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 0.080 inch (2.03 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. 16).

WARNING: Always use the correct line !

length when installing trimming line on the I

unit, The line may not release properly if the I

line is too long. J

Top View Of The SpeedSpoor

Arrows

Outer Spool

Inner Reel

Fig. 16

p Knob

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 25 26

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