TROUBLE SHOOTING

Possible Cause

Possible Remedy

ENGINE OPERATES IRREGULARLY OR KNOCKS

*

SparkPoorEngine

or

plug incorrectlyweak

dirty;

spark.

wrong timed

gap

or

wrong

type.

EnginesmokesPoorCarburetor

grade

overheatingvalves

fuel setting

at

or

fault

waterincorrect.

".'..'.'.'..'

in

fuel.

Otherengineproblems

Clean, reset the gap to .025 inch, or replace.

Check the breaker points and breaker point open-

ing, spark plug, and wiring.*

Adjust; see "Carburetor" on pages 10 and 11. Drain and use a good grade of clean fuel.

See "Engine Cooling" See page 21.

*

Adjust the carburetor. Check for worn piston and rings.*

LACK OF POWER

Air cleaner clogged.

Engine overheated.overloaded Engine

PoorFuel tankfuel, airtoo ventrich, cloggedortoo lean""""."a..'mixture.." .

Air leakage between carburetor and engine.

BrakeClutchIncorrect

drags

slipping

timing

(Models

or

faulty

86,

ignition.

108,

and

128)

Clean or replace the air cleaner element. See page

21.

Reduce the load.

Run the engine until it warms up before putting it under load. See "Engine Overheats" below.*

See "Carburetor" on pages 10 and 11. Open the vent in the cap.

Clean the air cleaner as instructed on page 21. Tighten the carburetor and manifold mounting nuts.

See "Spark Plug" on page22.

Adjust the free travel of the pedal; see page 28. Adjust the brake; see pages 29 or 30.

ENGINE OVERHEATS

Insufficient cool air, dirty air intake screen, shroud, or cooling fins.

Keep the air intake area and cooling fins clean; see "Engine Cooling and Air Cleaner" on page 21.

CREEPING

Speed control out of adjustment (Models

129, 149, and 169)

Refer to Service Manual.*

* Seeyour International Harvesterdealer.

32

Page 34
Image 34
Cub Cadet 149, 86, 128, 129, 169, 108 manual Otherengineproblems, Check the breaker points and breaker point open

108, 149, 169, 129, 128 specifications

The Cub Cadet series of tractors, particularly models 129, 86, 169, 149, and 128, represents a significant chapter in the history of garden and lawn care machinery. Known for their durability and innovative features, these tractors offer a blend of power and functionality that appeals to both homeowners and agricultural enthusiasts.

One of the main attractions of these models is their robust construction. Built with a heavy-duty frame, they are designed to withstand the rigors of outdoor tasks such as mowing, tilling, and hauling. The engines are typically Kohler or Tecumseh, providing reliable performance and ample power for various attachments. This capability allows these tractors to excel in tasks, from simple grass cutting to challenging snow removal.

The Cub Cadet 129, for example, offers a 12-horsepower engine, making it suitable for many residential landscaping needs. Its hydrostatic transmission provides smooth operation, allowing for easy speed adjustments without having to shift gears manually, making it user-friendly. Likewise, the 149 model features a similar engine, with the added benefit of a wider cutting deck, improving efficiency for larger lawns.

The Cub Cadet 86 stands out with its unique design and powerful 8 horsepower engine. It also features easy access controls, allowing operators to efficiently switch between various attachments, enhancing overall productivity. This fluidity is mirrored in the 169 model, which integrates advanced steering mechanisms that provide greater maneuverability, allowing users to navigate tight spaces with ease.

Model 128 offers a blend of modern technology and classic charm. It is equipped with a comfortable seat for extended usage and ergonomic controls, responding to the needs of users who spend considerable time on their tractors. The combination of comfort and performance makes these tractors popular among gardening aficionados.

Overall, the Cub Cadet series boasts a legacy of reliability, with a focus on ergonomic design and user-friendly technology. Whether for professional landscaping or personal gardening, these models, with their powerful engines and robust capabilities, continue to be a preferred choice for those looking to enhance their outdoor experience.