MTD Pro MP429 Operator'S Manual Download Page 1

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Quick Instructions
to Replace
Trimmer Line

For replacement line, call
1-800-800-7310 or go to an
authorized service dealer.

For complete line installation,
refer to Line Replacement
replacement section of the
unit’s manual.

IMPORTANT: READ THE OPERATOR’S MANUAL THOROUGHLY AND FOLLOW THE SAFE OPERATION PRACTICES WHILE OPERATING THE UNIT.

Insert each end of the
replacement line into the
holes on either side of
retention hook.

Push the ends through
until they stick out of the
sides of the head.

Pull the ends through making
sure that the ends are of
equal length and the middle
of the line is centered
between the insertion holes.

Push the trimmer line
until it lies flat against the
cutting head. Make sure
the two lengths of cutting
line are of equal length.

Quick Instructions
to Start Engine

for complete instructions, refer to the
Starting/ Stopping Instructions of the
unit’s manual.

Continue to squeeze
throttle control and
move the choke
lever to

Position 3

Move choke lever to

Position 2

Continue squeezing the
throttle control and run unit for
additional 30 to 60 seconds to
complete warm up. The unit
may be used during this time.

Pull starter rope 3 to 5 times.
Making sure to keep throttle
squeezed, run unit for 30-60
seconds to warm up.

Choke Lever

3 to 5 X

Fill fuel tank with fresh fuel.

Press primer bulb 10x

and move

choke lever to

Position 1

SQUEEZE

and

HOLD

throttle

control for

ALL

further steps.

Pull the rope 5 times.

Crouch in starting
position.

5 X

Unleaded

Gasoline

Choke Lever

Primer

Bulb

DIDN’T START?

Repeat the starting instructions. If the unit

still fails to start, refer to the operator’s

manual for additional starting and

troubleshooting information.

HOT RESTART

If the engine is hot:

Move the choke lever to

Position 2

, press the primer bulb

10 times

squeeze the throttle control and pull the

starter rope until the unit starts. Run the unit

for 2-5 minutes. The unit may be used during

this time. Then move the choke lever to

Position 3

Quick Instructions to
Assemble Curved
Shaft String
Trimmers

for complete instructions, refer to the
Assembly Instructions of the unit’s
manual.

Read and understand all instruction, warning and danger labels on the unit.

Slot

Bracket

Remove the cap and spacer
from the boom. Push the
bottom add-on into the coupler.
Turn the knob clockwise to
tighten.

Tip unit so that the back of the engine
is facing up in a vertical position.
Remove the oil fill plug from the
crankcase and pour the entire bottle
of 4-cycle oil into the oil fill hole.

NOTE:

Do not mix gas and oil

Loosen the bolt on the handle just
enough to move it. While holding the
unit in the operating position move the
D-handle to the location that provides
the best grip. Tighten the bolt until the
D-handle is secure.

Slide shield’s

slot

onto

mounting bracket.

Rotate

shield onto shaft. Push

square bolt

through shield

and bracket. Tighten

washer and wing nut

onto bolt.

769-07398 P00