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MTD 140 - User Manual

MTD 140
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MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Single-Stage
Snow Thrower
Models
PRINTED IN U.S.A.
IMPORTANT:
Read safety rules and instructions carefully before operating equipment.
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered,
brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state
laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above
is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal
lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department,
FORM NO
.
770-10000F.fm
(10/2003)
ECO No.
OPERATOR’S MANUAL
140
150
E150
E162
E172

Table of Contents

Questions and Answers

  • S
    Susan HoffmanAug 2, 2025
    Why won't my MTD Snow Blower engine start?
    • M
      Mr. Joseph FuentesAug 2, 2025
      There are several potential reasons why your MTD Snow Blower engine might fail to start: * The key may not be in the ignition switch or in the ON position. Ensure the key is inserted and turned to the ON position. * The fuel tank may be empty or contain stale fuel. Refill the tank with a fresh gasoline/oil mixture as specified in the engine manual. * The fuel line could be blocked. Try cleaning the fuel line. * The spark plug wire might be disconnected. Reconnect the wire to the spark plug. * The spark plug may be faulty. Clean, readjust the gap, or replace the spark plug.
  • D
    deanna83Aug 8, 2025
    What to do if my MTD Snow Blower fails to discharge snow?
    • J
      Jared MezaAug 8, 2025
      If your MTD Snow Blower fails to discharge snow, consider the following: * The discharge chute might be clogged. Stop the engine immediately, disconnect the spark plug wire, and clean the discharge chute and auger housing. * A foreign object may be lodged in the auger. Stop the engine immediately, disconnect the spark plug wire, and remove the object. * The drive cable could be out of adjustment. Adjust the control cable as instructed on page 9 of this manual. * The drive belt might be damaged. Inspect the drive belt for damage and replace it if necessary, as instructed on page 10 of this manual.
  • L
    Lisa AdkinsAug 14, 2025
    Why is my MTD 140 losing power?
    • B
      buchananjoshuaAug 14, 2025
      If your MTD Snow Blower is losing power, consider these possible causes: * A loose spark plug wire could be the culprit. Connect and tighten the spark plug wire. * The vent in the fuel cap might be plugged. Clear the vent to ensure proper airflow. * The engine exhaust pipe could be obstructed. Remove any blockage from the exhaust pipe.
  • K
    Karen JenkinsAug 19, 2025
    Why is my MTD Snow Blower engine running erratic?
    • J
      jonathan38Aug 19, 2025
      If your MTD Snow Blower engine is running erratically, it could be due to: * The unit running on choke. Move the choke lever to the off position. * A blocked fuel line or stale fuel. Clean the fuel line and fill the tank with fresh, clean gasoline. * Water or dirt in the fuel system. Refer to the engine manual for a remedy. * The carburetor being out of adjustment. Consult the engine manual.
  • T
    Timothy WalkerAug 27, 2025
    Why is my MTD 140 Snow Blower vibrating so much?
    • R
      Richard HarringtonAug 27, 2025
      If your MTD Snow Blower is vibrating excessively: * Loose parts or a damaged auger could be the cause. Stop the engine immediately, disconnect the spark plug wire, and check for damage. Tighten all bolts and nuts, and repair as needed. If the problem persists, take the unit to an authorized MTD service dealer.

Summary

IMPORTANT SAFE OPERATION PRACTICES

Training

Read and follow all instructions for safe operation, ensuring familiarity with controls.

Preparation

Inspect the area, wear safety gear, and ensure proper setup before operating the machine.

Operation

Follow safety guidelines for starting, running, and stopping the machine.

KNOW YOUR SNOW THROWER

Discharge Chute

Controls the angle at which snow is thrown; pitch is adjustable.

Shave Plate

Scrapes pavement for close snow discharge; subject to wear.

Primer

Forces fuel into carburetor for cold-weather starting.

Ignition Key

Must be in 'ON' position for the engine to start.

OPERATING YOUR SNOW THROWER

Fuel And Oil Mixture

Use extreme care with gasoline; requires 50:1 mix of gasoline and two-cycle oil.

Starting the Engine

Refer to the Tecumseh Engines manual for detailed starting instructions.

Operating the Snow Thrower

Adjust chute, engage auger, and guide the machine forward.

Stopping the Engine

Turn ignition key to OFF; allow engine to cool before touching.

MAKING ADJUSTMENTS

Control Cable & Belt Tension

Adjust auger hesitation by modifying control cable and drive belt tension.

MAINTAINING YOUR SNOW THROWER

Engine

Refer to the Tecumseh Engines manual for detailed maintenance.

Lubrication

Lubricate pivot points and extension spring once per season.

Replacing the Drive Belt

Replace belt if cracked, shredded, or rotten for proper function.

OFF-SEASON STORAGE

Warning: Never store engine with fuel indoors.

Avoid storing indoors with fuel due to explosion risk from fumes.

Storage Preparation

Clean thoroughly, lubricate, and store in a clean, dry area.

TROUBLESHOOTING GUIDE

Engine Fails to Start

Check ignition, fuel, spark plug wire, and spark plug.

Unit Fails to Self-Propel

Inspect drive cable and drive belt for adjustment or damage.

Unit Fails to Discharge Snow

Check for clogged chute, foreign objects, or drive issues.

MANUFACTURERS LIMITED WARRANTY

Warranty Coverage Period

Two-year warranty against defects; 90 days for normal wear parts.

Obtaining Service

Contact local dealer or MTD LLC with proof of purchase.

Exclusions from Warranty

Excludes engine parts, misuse, unauthorized repairs, and non-OEM parts.

MTD 140 Specifications

General IconGeneral
BrandMTD
Model140
CategorySnow Blower
LanguageEnglish

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