WERKU WK501100, Original Instructions Manual

English

ENG 

ORIGINAL INSTRUCTIONS

6

have worn out from use other types of natural wear, 

defects caused by failure to observe the instructions 

for use and operation, or for applications other than 

those for which this product is intended, abnormal 

environmental factors, overloading, or unsuitable 

maintenance or cleaning, faults caused by the use of 

spare parts, accessories or replacements that are not 

original Werku

®

 parts, if the product has been totally 

or  partially  disassembled,  modified  or  repaired  by 

personnel other than that of the Technical Assistance 

Service or minimum and irrelevant irregularities for 

suitable use or operation. Repairs and replacements 

will not extend or renew the validity period of this 

warranty. The replaced parts will become the property 

of Werku

®

. If the buyer sends the product to the 

Technical Assistance Service, and it fails to comply 

with the conditions of this warranty, all expenses 

and transportation risks shall be paid by the buyer. 

This warranty is only valid within the territory of the 

European Union. The company responsible for the 

compliance of this warranty is Werku Tools SA.

TECHNICAL ADVICE.

The technical department of Werku

®

 is at your 

disposal to resolve any questions you may have 

regarding to its products. If you wish to contact our 

team, send an e-mail to info@werku.com.

POSSIBLE PROBLEMS AND SOLUTIONS.

PROBLEM

CAUSE

SOLUTION

Spray size uneven due to 

poor atomization.

Intermittent spray.

Overspray.

Badly formed spray pattern.

Lack of spray in the center.

Uneven fan shape.

Air or paint leak.

Too much paint entering air flow.

Insufficient air hitting paint flow.

Air is getting into the paint circuit.

Spray gun distance from work piece.
Technique.

Atomization too high.

Nozzle or air cap alignment.
Debris or dried paint blocking air cap.

Needle tip worn or damage.

Not enough paint entering air flow.

Too much air flow.

Air cap holes blocked on one side.
Needle tip and air cap worn or 

damaged nozzle.

Sticking trigger or needle mechanism.
Loose or worn washers.

Decrease paint flow or reduce the nozzle 

to the next size down.

Increase air flow with the air control.

Tighten the nozzle up with the multi size 

spanner.
Check the paint pot is not empty.

Maintain a distance of 20 cm.

Make sure you are not flicking the gun on 

the leading or trailing edge.

Reduce air flow with the air control.

Check that both are correctly seated.
Check and if necessary clean the air cap 

and nozzle.
Replace needle assembly.

Increase paint flow or step up the nozzle to 

the next size.

Reduce air flow with the air control.

Clean the air cap thoroughly.
Replace needle assembly.

Lubricate moving parts.
Check tightness, and if tight, replace and 

lubricate washers.