Mtd Y780 Manuel d'utilisateur télécharger pdf (Page 6)

ment will be used when installing the cutting blade.

Install the Cutting Blade

. Place the cutting blade on the output shaft bushing (Fig. 10).

5. Make sure that the cutting blade is centered on the pilot step

and sitting flat against the output shaft bushing (Fig. 11).

6. Align the shaft bushing hole with the locking rod slot and

insert the locking rod into the bushing hole (Fig. 7).

7. Put the blade retainer and nut on the output shaft. Make

sure that the blade is installed correctly.

8. Tighten nut counterclockwise against the blade while

holding the locking rod:

•

If using a torque wrench and an 13 mm socket, tighten to:

37 - 38 N•m, 325 - 335 in•lb, 27 - 28 ft.•lb.

• Without a torque wrench, use a

13 mm

closed-end or

socket wrench, turning the nut until the blade retainer is

snug against the shaft bushing. Make sure that the blade is

installed correctly, then rotate the nut an additional 1/4 to

1/2 turn counterclockwise (Fig. 12).

9. Remove the locking rod from the locking rod slot.

REMOVE THE CUTTING BLADE AND INSTALL THE CUTTING

ATTACHMENT

Remove the Cutting Blade

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

insert the locking rod into the bushing hole (Fig. 7).

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

boom of the unit (Fig. 13).

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. 13).

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.

Install the Cutting Attachment

Align the shaft bushing hole

with the locking rod slot and insert the locking rod into the

shaft bushing hole (Fig. 7). Place the blade retainer on the

output shaft with the flat surface against the output shaft

bushing as shown in Fig. 14. Screw the cutting attachment

counterclockwise onto the output shaft. Tighten securely.

NOTE: The blade retainer must be installed on the output

shaft in the position shown for the cutting attachment

to work correctly.

6. Remove the locking rod.

7. Install the cutting attachment shield. Refer to Remove and

Install the Cutting Attachment Shield.

ASSEMBLY INSTRUCTIONS

WARNING:

Do not sharpen the cutting blade.

Sharpening the blade can cause the blade tip to break

off while in use. This can result in severe personal

injury. Replace the blade.

Shield

Mount

Locking Rod

Cutting

Blade

Blade Retainer

Nut

Output Shaft

Bushing

Pilot Hole

Fig. 10

WARNING: If the cutting blade is off-center, the

unit will vibrate and the blade may fly off, causing

possible serious personal injury.

Pilot Step

Fig. 11

1/4-1/2 turn

Counterclockwise

Fig. 12

Clockwise

Fig. 13

Cutting Attachment

Locking Rod

Blade Retainer

Output Shaft

Bushing

Fig. 14

WARNING: To avoid serious personal injury or

damage to the unit, do not start or operate this unit

with the locking rod in the locking rod slot.

WARNING: To avoid serious personal injury,

always wear gloves while handling or installing the

blade.

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Mtd Y780 Manuel d'utilisateur Page 6

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