17
Project 115
Problem
A. Thesprayerdoesnotstart.
B. Thesprayerstartsbutdoesnot
draw in paint when the PRIME/
SPRAY knob is set to PRIME.
C. Thesprayerdrawsuppaintbut
the pressure drops when the
gun is triggered.
D. The PRIME/SPRAY valve is on
SPRAY and there is ow through
the return tube.
E. Thespraygunleaks.
F. Thetipassemblyleaks.
G. Thespraygunwillnotspray.
H. The paint pattern is tailing.
Cause
1. Thesprayerisnotpluggedin.
2. TheON/OFFswitchissettoOFF.
3. Thesprayershutsowhilestillunder
pressure.
4. No voltage is coming from the wall plug.
5. The extension cord is damaged or has too low
acapacity.
6. There is a problem with the motor.
1. Theunitwillnotprimeproperlyorhaslost
prime.
2. Thehopperisempty.
3. The unit is not on level ground.
4. The inlet lter is clogged.
5. The inlet or outlet valve is stuck.
6. The inlet valve is worn or damaged.
7. The PRIME/SPRAY valve is plugged.
1. Thespraytipisworn.
2. The inlet lter is clogged.
3. Thegunlterorspraytipisplugged.
4. Thepaintistooheavyorcoarse.
5. Theoutletvalveassemblyisworn.
6. Theinletvalveassemblyisdamagedorworn.
1. ThePRIME/SPRAYvalveisdirtyorworn.
1. Internalpartsofthegunarewornordirty.
1. Thetipwasassembledincorrectly.
2. Asealisdirty.
1. Thespraytiporthegunlterisplugged.
2. Thespraytipisinthereverseposition.
3. PRIME/SPRAY knob not set to SPRAY.
1. The gun or the tip is plugged.
2. The tip is worn.
3. The paint is too thick.
4. Pressure loss.
Solution
1. Plugthesprayerin.
2. TurntheON/OFFswitchtoON.
3. MotorwillcycleONandOFFwhilesprayingasitneeds
pressure. This is normal. Resume painting.
4. Properlytestthepowersupplyvoltage.
5. Replace the extension cord.
6. TakesprayertoWagnerAuthorizedServiceCenter.
1. Trytoprimetheunitagain.
2. Rell the hopper.
3. Relocate unit to level ground.
4. Clean the inlet lter.
5. Cleantheinletandoutletvalvesandreplaceanyworn
parts.*Inletmaybestuckfromoldpaint.Insertinlet
valve pusher tool into inlet valve.
6. Replace the inlet valve.*
7. TakesprayertoWagnerAuthorizedServiceCenter.
1. Replacethespraytipwithanewtip.
2. Clean the inlet lter.
3. Cleanorreplacetheproperlter.Alwayskeepextra
lters on hand.
4. Thin or strain the paint.
5. Replacetheoutletvalveassembly.*
6. Replace the inlet valve.*
1. TakesprayertoWagnerAuthorizedServiceCenter.
1. TakethesprayertoaWagnerAuthorizedServiceCenter.
1. Checkthetipassemblyandassembleproperly.
2. Clean the seal.
1. Cleanthespraytiporgunlter.
2. Put the tip in the forward position.
3. Turn the PRIME/SPRAY knob to SPRAY.
1. Clean the gun and strain the paint.
2. Replacethespraytip.
3. Thin the paint.
4. Refer to Causes and Solutions for problem C.
* Special repair kits with instructions are available for these procedures. Refer to the “Parts Lists” section of this manual for a list of the kits
and their part numbers.
DailyMaintenance
Theonlydailymaintenancenecessaryisthoroughcleaning.Followthecleaningproceduresinthismanual.
Extended Maintenance
Somepumppartseventuallywearoutfromuseandmustbereplaced.However,pumpperformanceistheonlyreliableindicatorofwhento
replace wear parts. Refer to the Troubleshooting section for more information on when to use these kits.