PT M503 User manual

LIMITED WARRANTY
PERFORMANCE TOOL® extends only the following warranties, and only to original retail purchasers. These warranties give specific legal rights. Except
where prohibited by local law, the law of the State of Washington governs all warranties and all exclusions and limitations of warranties and remedies.
There may be other rights which vary from state to state.
PERFORMANCE TOOL® warrants the product to be free from defects in materials and workmanship under normal use and service. A defective product
may be returned for a free replacement within 90 days from the date of purchase, provided that product is returned to place of purchase immediately after
discovery of defect. After 90 days and up to one year from date of purchase, PERFORMANCE TOOL® will replace at no charge any parts which our
examination shall disclose to be defective and under warranty. These warranties shall be valid only when a sales receipt showing the date of purchase
accompanies the defective product or defective part (s) being returned. For part (s) after 90 days, please remit your request, postage prepaid to:
PERFORMANCE TOOL, P.O. Box 88259 Tukwila, WA 98138
These warranties exclude blades, bits, punches, dies, bulbs, fuses, hoses, and other consumables which must be replaced under normal use and service.
These warranties shall not apply to any product or part which is used for a purpose for which it is not designed, or which has been repaired or altered in
any way so as to affect adversely its
performance or reliability, nor shall these warranties apply to any product or part which has been subject to misuse, neglect, accident or wear and tear
incident to normal use and service.
PERFORMANCE TOOL® does not authorize any other person to make any warranty or to assume any liability in connection with its products.
Except for warranties of title and the limited express warranties set forth above, PERFORMANCE TOOL® makes no express or implied warranties of any
kind with respect to its products. In particular, PERFORMANCE TOOL® makes no implied warranty of merchantability and no implied warranty of fitness for
any particular purpose, except that for goods purchased primarily for personal, family or household use and not for commercial or business use,
PERFORMANCE TOOL® makes an implied warranty of merchantability (and, if otherwise applicable, an implied warranty of fitness for a particular
purpose), but only for the particular qualities or characteristics, and for the duration, expressly warranted above.
The laws on limitation of implied warranties may differ from state to state, so the above limitations may not apply in all cases.
PERFORMANCE TOOL® shall not be liable for consequential, incidental or special damages resulting from or in any manner related to any product, or to the
design, use, or any inability to use the product. The sole and exclusive remedy for a defective product or part shall be the repair, or replacement thereof as
provided above. The laws on limitation of remedies or on consequential, incidental or special damages may vary from state to state, so the above
limitations may not apply in all cases.
© Copyright 2014 WILMAR CORPORATION, P.O. Box 88259 Tukwila, WA 98138

2 PC H.V.L.P. SPRAY GUN KIT
OWNERS MANUAL
Stock Number M503
On occasion, after printing of our literature is completed, our manufacturers may make changes and/or modifications to merchandise which will not be reflected in this manual. Although
we strive to maintain complete and accurate information, it is possible in some instances, that the product may differ slightly from printed specifications. Illustrations are intended for
reference only. Actual merchandise may vary. Wilmar is not responsible for typographical errors.
Please read these instructions carefully and retain them for future use.

SPECIFICATIONS
Specifications are subject to change without notice
1.2 mm HVLP Spray Gun:
Air Pressure:................................. 25 - 50 P.S.I.
Spray pattern: ......................................2-6.5 in.
Spray Head & Needle: ..........................1.2 MM
Cup capacity: ..........................................200cc
Avg. Air Consumption (CFM): .....................8-9
Fluid Inlet (NPS): ....................................3/8 in.
Air Inlet (NPS):.........................................1/4 in.
Hose Size (ID):.........................................3/8 in.
Controls:
• Spraypattern,fluidflowandinletairpressure
• Allpurposegunssprayprimers,basecoats,sealersandclearcoats
• Fullyadjustablespraypattern
• Lockingpressureregulatorwithpressuregauge
• 600ccPaintCupand200ccpaintcup
• Includes,multi-wrench,cleaningbrush,socketandfluidfilter
TABLE OF CONTENTS
Specifications .....................................................................................................................................2
Important Safety Information ............................................................................................................3
Maintenance & Inspection.................................................................................................................4
Operating Instructions .......................................................................................................................4
1.2 mm HVLP SPRAY GUN Parts List ...............................................................................................5
1.5 mm HVLP SPRAY GUN Parts List ...............................................................................................6
Troubleshooting Chart .......................................................................................................................7
Replacement Parts List......................................................................................................................8
Warranty Information .........................................................................................................................8
1.5 mm HVLP Spray Gun:
Air Pressure:................................. 20 - 65 P.S.I.
Spray pattern: .........................................3-7 in.
Spray Head & Needle: ..........................1.5 MM
Cup capacity: ..........................................600cc
Avg. Air Consumption (CFM): .....................7-9
Fluid Inlet (NPS): ....................................3/8 in.
Air Inlet (NPS):.........................................1/4 in.
Hose Size (ID):.........................................3/8 in.

TROUBLESHOOTING
WARNING - Disconnect spray gun from air source before making adjustments
NOTE:
Problems listed above with more than one solution may have a combination of causes. Please be sure that all solutions listed for each problem have been checked to eliminate possibility of further trouble.
Sometimes solutions may need to be repeated for best results.
Half-Moon Shaped Pattern
This is usually caused by clogged
air holes on the Air Nozzle ears.
1. Clean, tighten or replace
2. Clean, tighten or replace
Problem: Probable Cause: Solution:
Each spray gun was constructed with quality materials
and workmanship and will give you many years of trouble
free use when cared for as described in the "Care and
Maintenance" section on page 3. However, as with any
mechanical device, periodic adjustments are necessary to
maintain a peak level of performance. Should your spray
Irregular or Offset Pattern
This can be caused by
1. A dirty or damaged Needle tip
or Fluid Nozzle
2. Clogged atomization holes on
Air Nozzle around the center
Spitting
1. Too little material in cup
2. Loose Fluid Nozzle
3. Damaged Needle Packing
4. Dirty or damaged Needle & Nozzle Set.
Carefully clean out holes with
wire after soaking in thinner.
1. Clean or replace Needle or
Fluid Nozzle.
2. Clean Air Nozzle
1. Refill cup
2. Tighten Nozzle
3. Replace Packing
4. Clean or replace parts
Material in cup bubbles or “Boils”
1. Loose, clogged or damaged Fluid Nozzle
2. Loose, clogged or damaged Air Nozzle

1.5 MM SPRAY GUN PARTS LIST
REPLACEMENT PARTS LIST
1. Gun body ............................... 1
2. Nozzle Cap............................. 1
3. Washer ................................... 1
4. Air Nozzle*.............................. 1
5. Snap Ring............................... 1
 6. FluidNozzle* .......................... 1
7. Brass Ring.............................. 1
8. Nylon Gasket.......................... 1
9. Packing Bushing .................... 1
10. Washer ................................... 2
11. Needle*................................... 1
12. Spring..................................... 1
13. Lock Nut................................. 1
14. Fluid Volume Control Knob .... 1
15. Paint Cup Bushing ................. 1
16. Trigger .................................... 1
17. Trigger Pivot Pin ..................... 1
18. Needle Actuator Pin ............... 1
19. E-Clip ..................................... 3
20. Spray Regulator Nut............... 1
21. Spray Regulator Screw .......... 1
22. Nylon Seal .............................. 1
23. Spray Pattern Control Knob... 1
24. Screw ..................................... 1
25. Needle Valve Bushing ............ 1
26. NylonRing.............................. 1
27. Air Valve ................................. 1
28. O-Ring.................................... 1
29. Washer ................................... 1
30. Needle Valve .......................... 1
31. Spring..................................... 1
32. Air Inlet Bushing ..................... 1
33. Washer ................................... 1
34. Air Volume Control Stem........ 1
35. Air Valve Stem Bushing.......... 1
36. PaintCupFilter* ..................... 1
37. Paint Cup Assembly* ............. 1
38. Lid .......................................... 1
39. Air Regulator/Gauge Assembly* 1
# Description Qty. # Description Qty. # Description Qty.
*Asterisk denotes parts included in repair kit, M710CK Call Customer service for replacement parts: 1-800-497-0552

IMPORTANT SAFETY INFORMATION
WARNING! READ, UNDERSTAND AND FOLLOW ALL INSTRUCTIONS AND WARNINGS BEFORE OPERATING THIS TOOL.
FAILURE TO DO SO MAY RESULT IN PERSONAL INJURY AND/OR PROPERTY DAMAGE AND WILL VOID WARRANTY.
1. Keep work area clean. Cluttered areas invite injuries.
2. Observe work area conditions. Do not use machines or power
tools in damp or wet locations. Don’t expose to rain. Keep
work area well lighted. Do not use electrically powered tools
inthepresenceofammablegasesorliquids.Always keep
work area free from obstructions and well ventilated.
3. Keep children away. Children must never be allowed in the
work area. Do not let them handle machines, tools, hoses or
extension cords.
4. Store idle equipment. When not in use, tools must be stored
in a dry location to inhibit rust. Always lock up tools and keep
out of reach of children and other untrained persons. Switch
off all unused electrical tools when stored. Tools are danger-
ous in the hands of untrained users.
5. WARNING: All persons in the work area must always wear
approved eye and ear protection and approved breathing
apparatus when this spray gun is in operation.
6. WorkSafe.Do not wear loose clothing or jewelry that could
become caught by moving parts, causing injury. Operate tool
a safe distance from yourself and others in the work area.
Keep proper footing and balance at all times. Do not reach
over or across running machines, hoses, etc.
7. Stay alert. Watch what you are doing, use common sense. Be sure all
personnel are clear of the direction of the spray gun. Do not operate
any tool when you are tired.
8. Donotoperateanytoolifundertheinuenceofalcoholor
drugs. Read warning labels on prescriptions to determine if
yourjudgmentorreexesareimpairedwhiletakingdrugs.If
there is any doubt, do not operate any tool.
9. Never aim spray gun at anyone. Do not spray near sparks,
open flame, lit cigarettes, pilot lights, space heaters or any
other potential ignition source. DO NOT SMOKE IN WORK
AREA.
10.Follow air source manufacturers directions for connection of
regulators,lters,andotheraccessoriestoairsource.Donot
install quick couplers directly on tool as they put unnecessary
strain on the air inlet threads possibly causing them to wear
out prematurely. Instead, install them on a short length of air
hose attached to the tool.
11.Follow manufacturers instructions and safety information to
ensure safe handling and proper use of paints, lacquers, thin-
ners, base coats, etc. Do not use latex or other heavy paints.
They are not recommended for this spray gun.
12.Always disconnect spray gun from air source before
disassembly.
13.Warning!Solvents1,1,1-TrichloroethaneandMethylene
Chloride (Dichloromethane-sometimescalledMethylchloride)
can chemically react with the Aluminum used in most spray
equipment creating an explosion hazard. Read the label or
data sheet from the material you intend to spray. NEVER use
any material containing these solvents. If unsure as to the
composition of your material, check with your supplier. Do not
use acids for cleaning.
14.Check for damaged parts. Before using any tool, any part that
appears damaged should be carefully checked to determine
that it will operate properly and perform its intended function.
Check for alignment and binding of moving parts; any broken
partsormountingxtures;andanyotherconditionthatmay
affect proper operation. Any part that is damaged should be
properlyrepairedorreplacedbyaqualiedtechnician.
15.Maintenance. For your safety, maintenance should be
performedregularlybyaqualiedtechnicianusingoriginal
PERFORMANCE TOOLS® replacement parts. Failure to do so
can lead to accidents for the operator. Use of any other parts
will void the warranty. Only use accessories intended for use
with this tool. Approved accessories are available from Per-
formance Tool®. Use only accessories that are recommended
by the manufacturer for your model. Accessories that may be
suitable for one tool may become hazardous when used on
another tool.
WARNING: This product and its packaging contain a chemical
known to the State of California to cause cancer, birth defects, or
other reproductive harm.
WARNING: The warnings, cautions, and instructions discussed in
this instruction manual cannot cover all possible conditions and
situations that may occur. It must be understood by the operator
that common sense and caution are factors which cannot be built
into this product, but must be supplied by the operator. Read
and understand all of the instructions provided in the instruction
manual of this product, as well as, any other tool (s) used with
this product.

Step 3: Spray Pattern Controls
Pattern Shape-Theshapeofthespraycanbeadjusted
from a round pattern to a flat pattern by turning the Pattern
Control Knob. Turning knob in rounds the pattern, turning
knob out flattens the pattern.
Pattern Orientation-Aflatorsemi-roundspraypattern
can be adjusted to any angle from horizontal to vertical by
turning the Air Nozzle. Pattern is perpendicular to “ears”
on nozzle. That is, when the ears are horizontal, the spray
pattern will be vertical and when the ears are vertical the
spray pattern will be horizontal.
Step 2: Air and Fluid Volume Controls
These two controls are used in conjunction with each other
toaccuratelyadjustair/uid(Paint)ratioandwillvaryfor
different paints. Changing one control Fluid Volume affects
the other so alternating back and forth between them to
netuneyouradjustmentwillyieldoptimumresults.
Air Volume Control-Airvolumeisadjustedbyturningthe
Air Fluid Volume Control Knob. Turning knob in reduces
volume, turning knob out Control Knob increases volume.
Fluid Volume Control- Fluid volume is adjusted by turn-
ing the Fluid Volume Control Knob. Turning knob in de-
creases volume, turning knob out increases volume. Once
a satisfactory volume is set, you can lock the adjustment
by turning the lock nut in tight.
OPERATION
Step 1: Inlet Air Pressure Regulation
Assemble components of spray gun and connect to clean
air source as described above. Clean air source is impera-
tivetoensurepeakperformance.Theuseofanin-lineair
lterishighlyrecommendedtokeepanycontaminants
from entering the spray gun. Set inlet air pressure to
between 40 and 45 P.S.I. to begin adjustments.
(This is a good operating inlet pressure suitable for most applica-
tions, however, depending on materials being sprayed and other
external factors such as temperature, humidity, etc., you may
need to come back to this step and increase or decrease pres-
sure as needed after attempting adjustments in step 2.)
Inlet pressure is adjusted by turning the Pressure Regula-
torControlKnob.Knobmustrstbepulledouttounlock.
Turning knob clockwise increases pressure, turning knob
counter-clockwisedecreasespressure.Oncedesired
pressure is reached, push the knob back in to lock the
adjustment.
CARE & MAINTENANCE
Warning! Clean gun before and after each use.
Toprotecttheprecisionmachinedinternalpartsandt-
tings in this gun from corrosion during shipping, some oils
or other corrosion resistant agents may have been applied.
It is important to remove any such residue before attempt-
ing to use the gun. To clean, place a small amount of
appropriate thinner into paint cup and spray through gun
while pulling and releasing trigger repeatedly. Wipe exterior
of gun, nozzles and paint cup. In some cases, if the gun
becomes clogged, disassemble completely and soak all
parts in thinner. After soaking, use wire and cleaning brush
to clear small internal passages. Check and clean paint
cuplter.Replaceifworn.
A clean air source is imperative to ensure peak perfor-
mance.Theuseofanin-lineairlterishighlyrecommend-
ed to keep any contaminants from entering the spray gun.
Inspectallttingsandhardwaretoensureproperseating.
Besureairlinettingsaretightwithnoleaks.Replaceany
worn parts as necessary.
Check needle and nozzles for nicks, scratches or burrs.
Any such conditions will seriously impair performance.
Regulated air out
to Spray Gun
Unregulated
air Inlet
Pressure Regulator
Control Knob Locked
Pressure Regulator
Control Knob Unlocked
Air
Nozzle
Spray Pattern
Control Knob
Fluid Volume
Control Knob
Fluid Volume
Lock Nut
Air Volume
Control Knob

1.2 MM SPRAY GUN PARTS LIST
REPLACEMENT PARTS LIST
1. Gun body 1
2. Nozzle Cap 1
3. Washer 1
4. Air Nozzle* 1
5. Snap Ring 1
 6. FluidNozzle* 1
7. Brass Ring 1
8. Nylon Gasket 1
9. Packing Bushing 1
10. Washer 2
11. Needle* 1
12. Spring 1
13. Lock Nut 1
14. Fluid Volume Control Knob 1
15. Paint Cup Bushing 1
16. Trigger 1
17. Trigger Pivot Pin 1
18. Needle Actuator Pin 1
19. E-Clip 3
20. Spray Regulator Nut 1
21. Spray Regulator Screw 1
22. Nylon Seal 1
23. Spray Pattern Control Knob 1
24. Screw 1
25. Needle Valve Bushing 1
26. NylonRing 1
27. Air Valve 1
28. O-Ring 1
29. Washer 1
30. Needle Valve 1
31. Spring 1
32. Air Inlet Bushing 1
33. Washer 1
34. Air Volume Control Stem 1
35. Air Valve Stem Bushing 1
36. PaintCupFilter* 1
# Description Qty. # Description Qty. # Description Qty.
*Asterisk denotes parts included in repair kit, M705CK Call Customer service for replacement parts:
1-800-497-0552