9-7. Servicing Fuel And Lubrication Systems

 

 

 

Y

Stop engine and let cool.

 

 

 

Y After servicing, start engine

 

 

 

 

and check for fuel leaks.

 

 

 

 

Stop engine, tighten connec-

 

 

 

 

tions as necessary, and wipe

 

 

 

 

up spilled fuel.

 

4

 

 

1

Oil Filter

 

 

 

 

2

Oil Drain Valve And Hose

 

 

 

3

Oil Fill Cap

 

5

 

3

4

Fuel Line

 

 

5

Primary Fuel Filter (Fuel/

 

 

 

 

 

 

 

 

 

 

 

 

Water Separator)

 

 

6

7

6

Petcock

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

Secondary Fuel Filter

 

 

 

 

8

Fuel Tank Sludge Drain Valve

 

 

 

To change oil and filter:

 

 

 

 

Route oil drain hose and valve

 

 

 

through hole in base. See engine

 

 

1

manual and engine maintenance

 

 

label

for

oil/filter change in-

 

 

 

formation.

 

 

 

 

 

To drain water from fuel system:

 

 

 

Open primary fuel filter petcock and

 

 

 

drain water into metal container.

 

 

 

Close petcock when water-free fuel

 

 

 

flows.

 

 

 

 

 

 

To replace primary fuel filter:

 

 

 

Turn filter counterclockwise. Re-

 

 

 

move filter.

 

 

 

 

 

Fill new filter with fresh fuel. Apply

 

 

 

thin coat of fuel to gasket on new fil-

 

 

 

ter. Install new filter and turn clock-

 

 

 

wise. Bleed air from fuel system ac-

 

 

 

cording to engine manual.

 

 

 

 

Inspect fuel lines, and replace if

 

 

 

cracked or worn.

 

 

 

 

To replace secondary fuel filter:

 

 

 

See engine manual.

 

 

 

2

To drain sludge from fuel tank:

 

 

Y

Beware of fire. Do not smoke

 

 

 

 

 

8

 

and keep sparks and flames

 

 

 

away from drained fuel. Dis-

 

 

 

 

 

 

 

 

pose of drained fuel in an en-

 

 

 

 

vironmentally-safe manner.

 

 

 

 

Do not leave unit unattended

 

 

 

 

while draining fuel tank.

 

 

 

Y Properly lift unit and secure

 

 

 

 

in a level position. Use ade-

 

 

 

 

quate blocks or stands to

 

 

 

 

support unit while draining

 

 

 

 

fuel tank.

 

 

 

 

Attach 1/2 ID hose to drain valve.

 

 

 

Put metal container under drain,

 

 

 

and

 

use

screwdriver to

open

 

 

 

sludge

drain valve. Close

valve

when sludge has drained. Remove hose.

Close door.

Tools Needed:

802 490 / Ref. 801 434

OM-4421 Page 43

Page 48 Page 50
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Image 49
Miller Electric Big Blue 400P, Big Blue 500 X manual Servicing Fuel And Lubrication Systems
Page 48 Page 50

Big Blue 500 X, Big Blue 400P specifications

Miller Electric has long been a trusted name in the welding industry, and their generators, particularly the Big Blue 400P and Big Blue 500 X, stand out for their performance, reliability, and innovative technologies. These portable diesel welding generators cater to a wide range of applications, from construction sites to industrial fabrication.

The Big Blue 400P is designed for heavy-duty utilization, offering a powerful output of 400 amps at a duty cycle of 60%. It features a dependable Kohler engine that not only provides ample power but also contributes to its efficient fuel consumption, making it an economical choice for extended work sessions. The Big Blue 400P comes equipped with Auto-Stop technology, which automatically turns off the machine when not in use, conserving fuel and extending engine life. This feature showcases Miller's commitment to user-friendly designs that enhance both efficiency and sustainability.

On the other hand, the Big Blue 500 X takes performance up a notch with an impressive 500 amps output and a 60% duty cycle. It is powered by a high-efficiency Yanmar engine that ensures top-notch performance even in the most demanding conditions. This generator is equipped with Miller's X-CASE design, which features a rugged weather-resistant enclosure that protects internal components from harsh environmental conditions, ensuring durability and extended lifespan.

Both machines integrate advanced technologies such as Smart Tech, which optimizes the generator's output based on the specific demands of the welding process. This technology helps maintain a stable arc, enhancing welding quality and consistency. Additionally, both models feature the Auto Remote Start, allowing for quick operations without manual intervention, further advancing ease of use.

The versatility of the Big Blue 400P and 500 X is evident in their ability to perform a variety of welding processes, including Stick, MIG, and TIG. They are equipped with multiple outputs, allowing simultaneous powering of tools and auxiliary equipment, making them indispensable for professionals who need adaptability on the job.

Overall, the Miller Electric Big Blue 400P and 500 X embody the quality, performance, and innovative technologies that Miller Electric is known for. Their robust capabilities, coupled with user-friendly features, make these generators ideal for demanding applications in various industries, ensuring that welders can achieve excellent results, no matter the challenges faced on site.
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