Pump Pressure

Relief

 

Adjustment

Valve

 

Pressure

Pressure

1.

Remove pressure gauge plug

Gauge

Gauge

 

from filter end cover.

 

Plug

 

2.

Install accessory pressure

 

 

 

 

gauge (part number HA1180).

 

 

3.

Start heater (see Operation,

 

 

 

page 8). Allow motor to reach

 

 

 

full speed.

 

 

4.

Adjust pressure. Turn relief

 

 

 

valve to right to increase

Figure 8 - Pressure Gauge Plug Removal

 

 

pressure. Turn relief valve to

 

 

 

left to decrease pressure.

 

 

 

Adjust pump pressure to 4.9

Figure 9 - Adjusting Pump Pressure

 

psi.

 

 

5.

Remove pressure gauge.

 

 

 

Replace pressure gauge plug in

 

 

 

filter end cover.

Fuel Filter, Bushing,

 

 

 

Upper

Fuel Filter

and Lower Fuel Line

Fuel

 

1.

Remove side cover screws

 

Line

 

using

 

 

 

5/16" nut-driver.

 

 

2.

Remove side cover.

 

 

3.

Pull upper fuel line off fuel

 

 

 

filter neck.

 

 

4.

Carefully pry bushing, fuel

 

 

 

filter, and lower fuel line out of

 

 

 

fuel tank.

 

 

5.

Wash fuel filter with clean fuel

 

 

 

and replace in tank.

Side Cover

 

6.

Attach upper fuel line to fuel

Figure 10 - Fuel Filter Removal

 

 

filter neck.

 

 

7.

Replace side cover.

 

 

Spark Plug

Burner

 

Head

Spark Plug

1.

Remove upper shell (see page

 

 

Wire

 

11).

 

 

 

 

2.

Remove fan (see page 11).

 

 

3.

Remove spark plug wire from

Spark

 

 

spark plug.

 

 

Plug

 

4.

Remove spark plug from burner

 

 

 

 

head using 13/16" open-end

 

 

 

wrench.

Figure 11 - Spark Plug Removal

 

5.Clean and regap spark plug electrodes to .075" (1.9 mm)

 

gap.

Bend Here

 

to Adjust

6.

Install spark plug in burner head.

Gap

7.

Attach spark plug wire to spark

.075" (1.9 mm) Gap

 

plug.

8.Replace fan (see page 11).

9.Replace fan guard and upper

shell.

Figure 12 - Spark Plug Gap

12

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Image 12
Desa RK150 owner manual Pump Pressure, Adjustment, Fuel Filter, Spark Plug

RK150 specifications

Desa RK150 is a state-of-the-art multi-purpose generator designed to meet the diverse energy needs of both residential and commercial applications. This generator stands out for its balance of power, efficiency, and portability, making it an essential tool for modern energy requirements.

One of the main features of the Desa RK150 is its robust engine, which delivers a reliable power output. With a peak output of 1500 watts and a continuous output of 1200 watts, it is capable of powering various appliances, tools, and devices. Whether used for outdoor camping, emergency backup for homes, or job site power supply, the RK150 ensures consistent performance under demanding conditions.

The generator employs advanced inverter technology, which not only enhances its fuel efficiency but also provides cleaner sine wave power. This makes it suitable for sensitive electronics such as laptops, smartphones, and medical devices that require stable voltage levels to operate safely and effectively.

Portability is another significant characteristic of the Desa RK150. It features a compact design and is equipped with durable wheels and a foldable handle, allowing for easy transportation and setup. Weighing less than many competitors, it can be easily maneuvered by a single person, making it an ideal choice for users who need power on-the-go.

Noise reduction is also a priority for the designers of the RK150. The generator is engineered to operate at a low decibel level, making it one of the quieter options on the market. This is particularly beneficial for outdoor events or residential areas where noise restrictions may apply.

Safety features are integral to the RK150's design as well. It includes an automatic shut-off system that activates in case of low oil levels or overheating, preventing potential damage to the generator or connected devices.

With its combination of powerful performance, inverter technology, portability, and safety features, the Desa RK150 is an exceptional choice for anyone in need of reliable and convenient power solutions. Whether it’s for recreational use, emergency readiness, or day-to-day tasks, the RK150 meets and exceeds expectations, symbolizing efficiency and innovation in modern generator design.