Ryobi TBBC Manuel de l'opérateur télécharger pdf (Page 13)

MAINTENANCE AND REPAIR INSTRUCTIONS

Install the New Cutting Blade

1. Place the cutting blade on the output shaft bushing

(Fig. 16).

Shield

Mount

Locking Rod

Cutting

Blade

Blade Retainer

Nut

Output Shaft

Bushing

Pilot Hole

Fig. 16

To avoid serious

personal injury,

always wear gloves while handling or

installing the blade.

WARNING:

REPLACING THE CUTTING BLADE

When the cutting blade gets dull, you need to replace it.

Never sharpen a dull blade. Follow the instructions in this

section to successfully replace the blade.

Remove the Cutting Blade

NOTE: To make cutting blade removal and installation

easier, place the unit on the ground or on a work

bench

1. Align the shaft bushing hole with the locking rod slot

and insert the locking rod into the bushing hole (Fig. 14).

Clockwise

Fig. 15

4. Remove the nut, blade retainer and blade. Store the

nut and blade together for future use in a secure

place. Store out of children’s reach.

To avoid serious

personal injury,

always wear gloves while handling or

installing the blade.

WARNING:

Fig. 17

Pilot Step

2. Make sure that the cutting blade is centered on the

pilot step and sitting flat against the output shaft

bushing (Fig. 17).

If the cutting blade

is off-center, the

unit will vibrate and the blade may fly off,

causing possible serious personal injury.

WARNING:

Shaft Bushing Hole

Locking Rod Slot

Output Shaft

Bushing

Locking Rod

Output Shaft

Fig. 14

The gear housing

gets hot with use. It

can result in injury to the operator. The

housing remains hot for a short time even

after the unit is turned off. Do not touch the

gear housing until it has cooled.

WARNING:

2. Hold the locking rod in place by grasping it next to

the boom of the unit (Fig. 15).

3. While holding the locking rod, loosen the nut on the

blade by turning it clockwise with a 13 mm closed-

end or socket wrench (Fig. 15).

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Ryobi TBBC Manuel de l'opérateur Page 13

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