MTD Y780 User Manual

Page 5

INSTALL THE HARNESS

Push the strap through the center of the buckle.

Pull the strap over the cross bar and down through the slot
in the buckle (Fig. 3).

Put the harness
on over your head
and onto your
shoulder. Snap it
on to the support
fitting (Fig. 4).

Adjust the length
to fit the
operator’s size.
Pull the tab to
lengthen, pull the
strap to shorten
(Fig 5).

REMOVE AND INSTALL THE CUTTING SHIELD

Remove the cutting attachment shield when using the unit
as a brushcutter

Remove the cutting attachment shield from the shield mount
by removing the three (3) screws with a flat blade screwdriver
(Fig. 6). Store parts for future use.

ASSEMBLY INSTRUCTIONS

Install the cutting attachment shield when using the unit as
a grass trimmer

Install the cutting attachment shield on the shield mount by
inserting the three (3) screws into the shield mount. Tighten
securely with a flat blade screwdriver (Fig. 6).

REMOVE THE CUTTING ATTACHMENT AND INSTALL THE
CUTTING BLADE

NOTE:

To make cutting blade removal and installation easier,

place the unit on the ground or on a work bench.

Remove the Cutting Attachment Shield

See Remove and Install the Cutting Attachment Shield.

Remove 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).

Hold the locking rod in
place by grasping it next
to the boom of the unit
(Fig. 8).

While holding the locking
rod, remove the cutting
attachment by turning it
clockwise off of the
output shaft (Fig. 9). Store
the cutting attachment for
future use.

NOTE: The blade retainer

under the cutting attach-

Support Fitting

Fig. 4

Fig. 5

WARNING:

Always use the shoulder harness

when using the cutting blade to avoid serious
personal injury.

WARNING:

The cutting attachment shield should

NOT be installed when operating the unit with a
blade. Remove the cutting attachment shield
before removing or installing the blade.

WARNING:

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.

Fig. 7

Shaft Bushing Hole

Locking Rod Slot

Output Shaft

Bushing

Locking Rod

Output

Shaft

WARNING:

To avoid serious personal injury, the

cutting attachment shield MUST be in place at all
times while operating the unit as a grass trimmer.

Fig. 8

Fig. 3

Cutting Attachment

Locking Rod

Slot

Locking Rod

Fig. 9

(3) Screws

Cutting

Attachment

Shield

Shield Mount

Gear Housing

Fig. 6