MRH800GS —TROUBLESHOOTING

TABLE 10. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

Spark plug bridging?

Check gap, insulation or

 

replace spark plug.

 

 

 

 

 

Difficult to start, "fuel is available, but no

Carbon deposit on spark plug?

Clean or replace spark plug.

SPARK at spark plug".

Short circuit due to deficient spark plug

Check spark plug insulation,

 

 

insulation?

replace if worn.

 

 

 

 

Improper spark plug gap?

Set to proper gap.

 

 

 

 

ON/OFF switch is shorted?

Check switch wiring, replace

 

switch.

 

 

 

 

 

 

Ignition coil defective?

Replace ignition coil.

 

 

 

Difficult to start, "fuel is available, and

Improper spark gap, points dirtry?

Set correct spark gap and

clean points.

SPARK is present at the spark plug".

 

 

 

 

Condenser insulation worn or short

Replace condenser.

 

circuiting?

 

 

 

 

 

 

Spark plug wire broken or short circuiting?

Replace defective spark plug

 

wiring.

 

 

 

 

 

 

Wrong fuel type?

Flush fuel system, and replace

 

with correct type of fuel.

 

 

Difficult to start, "fuel is available, spark

 

 

Water or dust in fuel system?

Flush fuel system.

is present and compression is normal"

 

 

 

 

Air cleaner dirty?

Clean or replace air cleaner.

 

 

 

 

Suction/exhaust valve stuck or protruded?

Re-seat valves.

 

 

 

 

Piston ring and/or cylinder worn?

Replace piston rings and or

 

piston.

Difficult to start, "fuel is available, spark

 

 

 

 

 

is present and compression is low"

Cylinder head and/or spark plug not

Torque cylinder head bolts and

 

tightened properly?

spark plug.

 

 

 

 

Head gasket and/or spark plug gasket

Replace head and spark plug

 

damaged?

gaskets.

 

 

 

 

Fuel not available 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 filter clogged?

Replace fuel filter.

 

 

 

 

 

Fuel tank cap breather hole clogged?

Clean or replace fuel tank cap.

 

 

 

 

Air in fuel line?

Bleed fuel line.

 

 

 

PAGE 36 — MQ-MIKASA MRH800GS ROLLER — OPERATION AND PARTS MANUAL — REV. #5 (05/27/08)

Page 36
Image 36
Multiquip GX390K1SM32 manual MRH800GS -TROUBLESHOOTING, Engine Troubleshooting

GX390K1SM32 specifications

The Multiquip GX390K1SM32 is a robust and versatile piece of equipment designed for heavy-duty applications, making it a favorite among contractors and professionals in various industries. At the heart of this unit is a powerful Honda GX390 engine, known for its reliability and impressive performance. This engine provides exceptional torque and power, making it ideal for a wide range of tasks, from construction to landscaping.

One of the standout features of the GX390K1SM32 is its heavy-duty construction, which ensures durability and longevity even in the most challenging environments. The frame and components are designed to withstand wear and tear, reinforcing its reputation as a dependable machine. This durability is complemented by a user-friendly design that prioritizes ease of use. The unit features intuitive controls that allow operators to quickly adjust settings and maximize efficiency on the job site.

The GX390K1SM32 also boasts a unique multi-functional capability. It can be utilized for various applications, including pumping, spraying, and powering equipment, which makes it a truly versatile tool. Its adaptability is enhanced by a range of optional attachments, allowing users to customize the machine to suit specific needs. This flexibility increases productivity and efficiency, reducing the need for multiple pieces of equipment.

In terms of safety, the Multiquip GX390K1SM32 incorporates several features designed to protect the operator and ensure safe operation. These include protective casings and emergency shutoff mechanisms that enhance operational safety. Furthermore, the machine is engineered with an emphasis on stability, making it less prone to tipping or accidents during use.

Another significant aspect of the GX390K1SM32 is its fuel efficiency. The Honda engine is not only powerful but also designed to minimize fuel consumption, which translates into lower operating costs. This efficiency combined with its performance makes it an attractive option for businesses looking to optimize their investment in machinery.

Overall, the Multiquip GX390K1SM32 combines power, versatility, and durability, making it an optimal choice for professionals seeking reliable performance in a myriad of applications. Whether for construction, landscaping, or maintenance tasks, this machine stands out as a top contender in the equipment market. Its impressive features and user-centered design ensure that it can handle the demands of any job with ease and efficiency.