troubleshooting

 

 

 

 

 

 

 

 

 

Troubleshooting (engine)

 

 

Symptom

possible problem

 

Solution

 

 

 

 

 

Combo lever in incorrect position?

 

Make sure combo lever is in start position.

 

 

 

 

 

Spark plug bridging?

 

Check gap, insulation or replace spark plug.

 

 

 

 

 

Carbon deposit on spark plug?

 

Clean or replace spark plug.

 

 

 

 

 

Short circuit due to defi cient spark plug

 

Check spark plug insulation, replace if worn.

 

insulation?

 

 

 

 

 

 

 

 

 

Improper spark plug gap?

 

Set to proper gap.

 

 

 

 

 

Fuel reaching carburetor?

 

Check fuel line.

 

 

 

 

 

Water in fuel tank?

 

Flush or replace fuel tank.

 

 

 

 

Diffi cult to start, fuel is available, but no spark at

Fuel fi lter clogged?

 

Replace fuel fi lter.

spark plug.

Stuck carburetor?

 

Check fl oat mechanism.

 

 

 

 

 

 

 

Spark plug is red?

 

Check transistor ignition unit.

 

 

 

 

 

 

 

If insuffi cient compression, repair or replace

 

Spark plug is bluish white?

 

engine. If injected air leaking, correct leak. If

 

 

 

carburetor jets clogged, clean carburetor.

 

 

 

Check transistor ignition unit is broken, and

 

No spark present at tip of spark plug?

 

replace defective unit. Check if voltage cord

 

 

cracked or broken and replace. Check if spark

 

 

 

 

 

 

plug if fouled and replace.

 

 

 

 

 

No oil?

 

Add oil as required.

 

 

 

 

 

ON/OFF switch is shorted?

 

Check switch wiring, replace switch.

 

 

 

 

Diffi cult to start, fuel is available, and spark is

Ignition coil defective?

 

Replace ignition coil.

 

 

 

Improper spark gap, points dirty?

 

Set correct spark gap and clean points.

present at the spark plug.

 

 

 

 

Condenser insulation worn or short circuiting?

 

Replace condenser.

 

 

 

 

 

 

 

Spark plug wire broken or short circuiting?

 

Replace defective spark plug wiring.

 

 

 

 

 

Wrong fuel type?

 

Flush fuel system, replace with correct type of

 

 

fuel.

 

 

 

Diffi cult to start, fuel is available, spark is

 

 

 

Water or dust in fuel system?

 

Flush fuel system.

present and compression is normal.

 

Air cleaner dirty?

 

Clean or replace air cleaner.

 

 

 

 

 

 

 

Choke open?

 

Close choke.

 

Suction/exhaust valve stuck or protruded?

 

Reseat valves.

 

 

 

 

Diffi cult to start, fuel is available, spark is

Piston ring and/or cylinder worn?

 

Replace piston rings and/or piston.

 

 

 

Cylinder head and/or spark plug not tightened

 

 

present and compression is low.

 

Torque cylinder head bolts and spark plug.

properly?

 

 

 

 

 

 

 

 

 

Head gasket and/or spark plug gasket damaged?

 

Replace head and spark plug gaskets.

 

 

 

 

 

No fuel in fuel tank?

 

Fill with correct type of fuel.

 

Fuel cock does not open properly?

 

Apply lubricant to loosen fuel cock lever,

 

 

replace if necessary.

No fuel present at carburetor.

 

 

 

 

 

Fuel fi lter/lines clogged?

 

Replace fuel fi lter.

 

 

 

 

 

 

 

Fuel tank cap breather hole clogged?

 

Clean or replace fuel tank cap.

 

 

 

 

 

Air in fuel line?

 

Bleed fuel line.

 

 

 

 

page 18 — MTX80SD RAMMER • operation and parts manual — rev. #0 (07/20/12)

Page 18
Image 18
Multiquip MTX80SD manual Troubleshooting engine

MTX80SD specifications

The Multiquip MTX80SD is a powerful and versatile piece of machinery that stands out in the field of compact construction equipment. Designed primarily for the most demanding job sites, the MTX80SD is an exceptional choice for contractors seeking efficiency and reliability in their equipment.

One of the standout features of the MTX80SD is its robust engine, which delivers impressive performance while maintaining fuel efficiency. The unit is equipped with a reliable diesel engine that provides ample power to handle tough tasks such as grading, digging, and lifting. This power is complemented by an advanced hydraulic system that ensures smooth operation, making it easy for operators to handle various attachments, including buckets and augers.

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The user-friendly control layout of the MTX80SD further enhances its appeal. Operators will appreciate the intuitive controls that allow for precise handling, reducing the learning curve for new users. Additionally, the operator's station is designed for comfort, featuring an ergonomic seat that minimizes fatigue during long hours of operation.

In terms of technology, the MTX80SD incorporates several features geared towards improving operator performance and safety. An integrated instrumentation panel provides real-time information on machine status, while optional features such as backup cameras and advanced lighting systems increase visibility and safety on job sites.

The versatility of the MTX80SD is one of its key strengths. This machine can be outfitted with various attachments to perform a wide range of tasks, from excavation to landscaping. Its hydraulic quick-connect system allows operators to change attachments quickly and easily, maximizing productivity without significant downtime.

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In summary, the Multiquip MTX80SD is a compact, powerful, and versatile machine that caters to the diverse needs of modern construction and landscaping professionals. With its robust performance, user-friendly design, and adaptability to various tasks, it has proven to be an indispensable asset on the job site.