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MTD Pro MP429 - User Manual

MTD Pro MP429
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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
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 12/11
Español — Page 11 English — Page 1Français — Page 6
Operator’s Manual
NEED HELP? CALL 1–800-800-7310 IN U.S. OR 1–800–668–1238 IN CANADA
MP429
4-Cycle Trimmer
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Summary

Fast Assembly Guide

Quick Instructions to Assemble Curved Shaft String Trimmers

Step-by-step guide for assembling the string trimmer.

Fast Start Guide

Quick Instructions to Start Engine

Step-by-step guide for starting the trimmer engine.

Fast Reload Guide

Quick Instructions to Replace Trimmer Line

Step-by-step guide for replacing the trimmer line.

Rules for Safe Operation

Important Safety Instructions

General safety guidelines before operation.

California Proposition 65 Warning

Information on chemicals in exhaust and components.

Safety Warnings for Gas Units

Specific safety advice for gas-powered units.

Other Safety Warnings

Additional safety precautions and advice.

Safety and International Symbols

Explanation of symbols used in the manual.

Oil and Fuel Information

Recommended Oil Type

Specifies the correct oil for the engine.

Recommended Fuel Type

Specifies the correct fuel for the engine.

Fueling the Unit

Steps for safely adding fuel to the tank.

Starting and Stopping Instructions

Starting Instructions

Step-by-step guide to start the engine.

Stopping Instructions

Step-by-step guide to stop the engine.

Operating Instructions

Holding the Trimmer

Proper grip and posture for operating the unit.

Trimming Results and Techniques

Tips for efficient cutting and decorative trimming.

Maintenance and Repair Instructions

Maintenance Schedule

Overview of required maintenance tasks and intervals.

Fixed Line Installation

How to install trimmer line into the cutting head.

Oil Level and Change Procedures

Instructions for checking and changing engine oil.

Air Filter Maintenance

How to clean and maintain the air filter.

Idle Speed and Rocker Arm Adjustment

Procedures for engine idle and valve clearance adjustments.

Replacing the Spark Plug

Troubleshooting

Engine Starting Issues

Common problems and solutions for engine not starting.

Engine Idle and Acceleration Problems

Solutions for engine not idling or accelerating.

Seeking Further Assistance

Guidance on when to contact a service dealer.

Specifications

Technical Specifications

Key technical data for the unit.

Manufacturers Limited Warranty

Warranty Coverage and Exclusions

Details on what is covered and not covered.

Obtaining Service

How to get warranty service and locate a dealer.

State Law and Legal Rights

Information on how state laws affect the warranty.

MTD Pro MP429 Specifications

General IconGeneral
BrandMTD Pro
ModelMP429
CategoryTrimmer
LanguageEnglish

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