Mtd Y700 Manuel d'utilisateur télécharger pdf (Page 11)

SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS

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.

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.

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.

FREQUENCY MAINTENANCE REQUIRED REFER TO

Before starting engine Fill fuel tank with fresh fuel Page 8

Every 10 hours Clean and re-oil air filter Page 13

Every 25 hours

Check and clean spark arrestor

Check spark plug condition and gap

Page 14

Page 16

Every 50 hours

Inspect exhaust port and spark arrestor screen for clogging or

obstruction to assure maximum performance levels

Page 14

Line Installation

This section covers both SplitLine™ and standard single

line installation.

Always use Genuine Factory Parts™ 0.080 in. (2.03 mm)

replacement line. Using line other than the specified may

make the engine overheat or fail.

WARNING: Never use metal-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 Inner Reel

1. Hold the outer spool with one hand and unscrew the

bump knob counterclockwise. See Figure 12. Inspect

the bolt inside the bump knob to make sure it moves

freely. Replace the bump knob if damaged.

2. Remove the inner reel from the outer spool. See

Figure 13.

3. Remove spring from the inner reel. See Figure 13.

4. Use a clean cloth to wipe the inner reel, spring, shaft,

and inner surface of the outer spool.

Bump Knob

Bolt

Inner Reel

Spring

Outer Spool

Figure 12

Figure 13

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 63 64

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Mtd Y700 Manuel d'utilisateur Page 11

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