TROUBLESHOOTING

 

 

 

 

 

 

 

TABLE 4. ENGINE TROUBLESHOOTING

 

 

 

 

 

 

 

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

 

 

 

Difficult to start

 

 

 

 

 

 

 

 

 

 

Ignition plug being bridge?

Check ignition system.

 

 

 

 

 

 

 

Fuel is available but spark plug

Carbon deposit at ignition?

Clean or replace ignition.

 

 

 

 

 

 

will not ignite. (Power available

Short circuit due to defective

Replace insulators.

 

 

at high tension cable).

 

 

insulators?

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper spark gap?

Set spark plug gap to the correct gap.

 

 

 

 

 

 

 

Fuel is available but spark plug

Short circuit at stop switch?

Check stop switch circuit. Replace stop switch if defective.

 

 

will not ignite. (Power NOT

 

 

 

 

 

 

 

 

available at high tension cable).

Ignition coil defective?

Replace ignition coil.

 

 

 

 

 

 

 

 

Muffler clogged with carbon

Clean or replace muffler.

 

 

 

deposits?

 

 

 

 

 

 

 

 

 

Mixed fuel quality is

Check fuel to oil mixture.

 

 

Fuel is available and spark plug

inadequate?

 

 

 

 

 

ignites (compression normal).

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

 

 

 

 

dust)?

 

 

 

 

 

 

 

 

 

Air Cleaner clogged?

Clean or replace air cleaner.

 

 

 

 

 

 

 

 

Defective cylinder head gasket?

Tighten cylinder head bolts or replace head gasket.

 

 

Fuel is available and spark plug

 

 

 

 

Cylinder worn?

Replace cylinder.

 

 

ignites (compression low ).

 

 

 

 

 

 

 

Spark plug loose?

Tighen spark plug.

 

 

 

 

 

 

 

Operation not satisfactory

 

 

 

 

 

 

 

 

 

 

Air cleaner clogged?

 

 

 

 

 

 

 

 

Not enough power available

Air in fuel line?

Bleed (remove air) from fuel line.

 

 

 

 

 

 

(compression normal, no miss-

Fuel level in carbureator float

 

 

 

firing).

Adjust carbureator float

 

 

chamber improper?

 

 

 

 

 

 

 

 

 

 

 

 

Carbon deposits in cylinder?

Clean or replace cylinder

 

 

 

 

 

 

 

 

Ignition coil defective?

Flush fuel sytem and replace with fresh fuel.

 

 

Not enough power available

 

 

 

 

Ignition plug often shorts?

Replace ignition wires, clean ignition.

 

 

(compression normal, miss-

 

 

 

 

 

 

firing).

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

 

 

 

 

dust)?

 

 

 

 

 

 

 

 

 

Mixed fuel quality is

Check fuel to oil mixture.

 

 

 

inadequate?

 

 

 

 

 

 

 

Excessive carbon depostion in

Clean or replace crankcase.

 

 

Engine overheats.

combustion chamber?

 

 

 

 

 

 

 

Exhaust or muffler clogged with

Clean or replace muffler.

 

 

 

 

 

 

carbon.

 

 

 

 

 

 

 

 

 

Spark plug heat value incorrect?

Replace spark plug with correct type spark plug.

 

 

 

 

 

 

 

 

 

 

 

PAGE 18 — MT75HS RAMMER — OPERATION AND PARTS MANUAL — REV. #11 (01/12/12)

Page 18
Image 18
Multiquip MT75HS operation manual Engine Troubleshooting Symptom Possible Problem Solution

MT75HS specifications

The Multiquip MT75HS is a versatile and robust machine specifically designed for heavy-duty applications. This innovative piece of equipment is renowned for its reliability and efficiency, making it a popular choice among construction and landscaping professionals. With its unique features and advanced technology, the MT75HS is built to tackle tough tasks with ease.

One of the standout characteristics of the Multiquip MT75HS is its powerful engine. Equipped with a reliable Honda GX390 engine, this machine ensures optimal performance while maintaining fuel efficiency. The engine delivers impressive horsepower, allowing for quick and effective operation, even in challenging conditions. The MT75HS is designed to handle various terrains, making it ideal for both indoor and outdoor applications.

Another significant feature of the MT75HS is its hydraulic drive system, which allows for smooth operation and precise control. This system provides powerful torque that enables the machine to navigate steep inclines and uneven surfaces effortlessly. Additionally, the machine is equipped with high-capacity hydraulic pumps that ensure consistent performance, even under heavy loads.

The MT75HS also boasts an ergonomic design that enhances operator comfort and productivity. It features a spacious operator platform with easy-to-reach controls, reducing fatigue during extended use. The machine’s compact size allows for easy maneuverability in tight spaces, making it perfect for urban construction sites or residential landscaping projects.

Safety is a top priority with the Multiquip MT75HS. It comes equipped with several safety features, including an engine kill switch and a protective roll cage. These elements are crucial in preventing accidents and ensuring the well-being of the operator.

Additionally, the MT75HS offers a variety of attachments, making it an adaptable tool for various tasks. Whether it’s grading, digging, or transporting materials, this machine can be configured to meet specific job requirements. The versatility of the MT75HS makes it a valuable investment for contractors looking to expand their capabilities.

In summary, the Multiquip MT75HS combines power, efficiency, and safety in a compact package. Its advanced features, including a robust engine, hydraulic drive system, ergonomic design, and adaptability, set it apart in the market. For professionals seeking reliability and versatility in their equipment, the MT75HS is an excellent choice that can enhance productivity and tackle a wide range of tasks effectively.