PROBLEM

POSSIBLE CAUSE

CORRECTION

 

 

 

Water or oil leaking

A small amount of leakage is

If excessive leaking occurs call

from bottom of pump

normal

Customer Service Department

 

 

 

Pressure increases

Bypass valve not operating

Call Customer Service Department

when gun is closed

properly

 

 

 

 

Motor running but

Faucet closed

Open faucet

pump not building

Unit has been stored in freezing

Thaw out unit completely including

maximum pressure or

temperatures

hose, gun, and wand

has irregular pressure

Water inlet screen clogged

Clean screen. See section 5.4

 

 

Air in pump

Let pressure washer run with gun

 

 

open and wand removed until

 

 

steady stream of water is released.

 

Adjustable pressure knob not

Set to maximum position. See

 

set to maximum position

Section 4.2

 

Suction or discharge valves

Call Customer Service Department

 

clogged or worn out

 

 

By-pass valve not operating

Call Customer Service Department

 

effectively

 

 

 

 

No intake of chemicals

Injection tube not securely

Push firmly into machine

 

inserted into pressure washer

 

 

Tube cracked or split

Replace tubing

 

Wrong Nozzle setting

Switch nozzle to low pressure

 

Nozzle Blocked

Clean Nozzle. See Section 5.2

 

Injection tube strainer clogged

Clean strainer

 

Dried chemicals in injector

Dissolve by running warm water

 

 

through the injection tube

 

 

 

Trigger will not move

Gun safety lock engaged

Release safety lock

 

 

 

17- ENG

D28921

Page 17
Image 17
DeVillbiss Air Power Company D28921, WD1600E operation manual Problem Possible Cause Correction

D28921, WD1600E specifications

DeVilbiss Air Power Company, a renowned name in the air compressor industry, has made its mark with the introduction of the D28921 and WD1600E models. These compressors are designed to cater to both professional and DIY users, ensuring efficiency, reliability, and versatility in a wide range of applications.

The D28921 model stands out due to its compact design, making it an ideal choice for users with limited space. With its portable configuration, it features durable wheels and a sturdy handle, allowing for easy maneuverability. This model is equipped with a robust 1.5 HP electric motor, which produces an impressive airflow of up to 3.2 CFM at 90 PSI. Its 4-gallon tank ensures a sufficient air supply, making it suitable for tasks such as inflating tires, powering nail guns, and more. The D28921 also incorporates a maintenance-free oil-less pump, reducing the hassle of upkeep and delivering reliable performance over time.

On the other hand, the WD1600E model offers enhanced power and versatility. With a powerful 2 HP motor, this compressor delivers an impressive maximum pressure of 125 PSI. The 6-gallon tank provides ample air storage for demanding tasks, such as spray painting, airbrushing, and operating pneumatic tools. One of the key features of the WD1600E is its dual-output design, allowing users to connect multiple tools simultaneously without sacrificing performance. This feature is particularly beneficial for professionals who require efficient operation while tackling jobs in structured environments.

Both models incorporate user-friendly controls, including easy-to-read pressure gauges and quick-connect air fittings. Safety features, such as thermal overload protection, enhance the durability and longevity of the units during prolonged use. The lightweight nature and rugged build of both compressors ensure that they can withstand job site conditions while maintaining performance.

In conclusion, the DeVilbiss D28921 and WD1600E models offer exceptional performance and reliability for users in need of air compressors. With their advanced technologies, user-centric features, and portability, these compressors are ideal solutions for a variety of tasks, whether in a garage or on a job site. As a product of DeVilbiss Air Power Company, they encapsulate the brand’s commitment to quality and innovation in the air power industry.