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© 2007 ITW Finishing Systems and Products 

Overlap each stroke 50% as you coat 
the area. Trigger just before the edge 
of the surface to be sprayed. Move 
the gun at a constant speed across 
the surface and release the trigger. 
Repeat the same method on the 

return stroke. 

11. To prevent accidental discharge of 

coating material when the gun is not 
in use, always turn off and release air 
and fluid pressure. 

1.  Turn off air and relieve  pressure in 

the supply lines, or if using QD 
system, disconnect from airline. 

2.  Release Cup and raise the tube out of 

the material. Trigger the Gun and 
allow material to drain back into the 
cup. 

3.  Dispose of the surplus material and 

clean the cup.   

4.  Remove air cap (1) and clean. If any 

of the holes in the cap are blocked 

with coating material use a toothpick 
to clean. Never use metal wire which 
could damage the cap and produce 
distorted spray patterns 

5.  Ensure the tip of the nozzle (2) is 

clean and free from damage. Build up 
of dried paint can distort the spray 
pattern. 

6.  Lubrication – stud/screw (6), needle 

(7) and air valve (11) should be oiled 
each day. 

Preventative Maintenance

 

Replacement of Parts

 

Nozzle (2) and Needle (7) – 

Remove 

parts in the following order: 10, 8, 7, 1 
and 2. Replace any worn or damaged 
parts and re-assemble in reverse order. 
Recommended tightening torque for 
nozzle (2) 17-20 Nm (150-180 lbf in) 

Packing – 

Remove parts  10, 8, 7. 

Unscrew cartridge (4). Fit new cartridge 
finger tight. Re-assemble parts 7, 8, and 
10 and tighten cartridge (4) with spanner 
sufficient to seal but to allow free 

movement of needle. Lubricate with gun 
oil. 

Air valve (11) – 

Remove Trigger, parts 

6 and 12. Unscrew valve assembly. Re-
assemble, fitting spring to valve head 
before fitting valve. 

Spreader valve (5) – Caution: 

always 

ensure that the valve is in the fully open 
position by turning screw fully counter-
clockwise before fitting to body. 

Accessories

 

Spanner – 

order SPN-5 

Cleaning Brush – 

order 4900-5-1-K3 

Service Kit

 – order KK-4502 add nozzle size as required 

(i.e. KK-4502-FF-H) 

Seal Kit  -  

order KK-4558. Contains 3a, 4, 18, 19, 21 

Pressure gauge Attachment 

– order GA-515 

Gun Mounted Regulator  

– order  DVR-501 

Lubricant

  -  order GL-1-K10 

E

E

 

 

Summary of Contents for JGA Series

Page 1: ...Operation Manual JGA Pressure Feed Spraygun E E P 2 8 SB E 2 251 ISS 05 ...

Page 2: ...ize Aircap No Gun Number Operation Manual JGA Pressure Feed Spraygun Important Read and follow all instructions and Safety Precautions before using this equipment Description The JGA Pressure Feed Spraygun Kit is approved to ATEX regulations 94 9 EC protection level II 2 G X Suitable for use in Zones 1 and 2 Important These Sprayguns are suitable for use with most solvent based coating materials N...

Page 3: ...spraying and follow any recommendations If In Doubt Contact Your Material Supplier The use of respiratory protective equipment is recommended at all times The type of equipment must be compatible with the material being sprayed Always wear eye protection when spraying or cleaning the spraygun Gloves must be worn when spraying or cleaning the equipment Training Personnel should be given adequate tr...

Page 4: ...k Nut Kit of 5 JGA 51 K5 1 16 Seal 23165 001 1 17 Fluid Inlet Connector and seal Kit JGA 159 K 1 18 Seal Pin kit SST 8434 K5 GTI 428 K5 2 19 Circlip Kit of 5 2 20 Circlip Kit of 5 25746 007 K5 1 21 Seal Kit of 5 JGS 72 K5 2 22 Air valve stem assembly 1 23 Spring JGV 262 K5 1 Parts included in service Kit KK 4502 see accessories E E No Order No G 0 7 FX 1 1 FZ 1 2 FF 1 4 FW 1 6 EE 1 8 EX 1 8 DE 2 0...

Page 5: ...A 402 NAC K 2 2 AV 645 D JGA 421 DEX K AV 651 D JGA 421 DEX K AV 611 D JGA 402 NADEX K 2 0 AV 611 DE JGA 402 NADEEE K 1 8 AV 611 EE JGA 402 NADEEE K 1 8 AV 645 E JGA 421 E K AV 651 E JGA 421 E K 1 8 AV 645 EX JGA 421 DEX K 1 6 AV 645 FW JGA 421 FW K 1 4 AV 645 FF JGA 421 FFK AV 651 FF JGA 421 FZ K AV 611 FF JGA 402 NAFF K 1 2 AV 645 FZ JGA 421 FZ K AV 651 FZ JGA 421 FZ K AV 611 FZ JGA 402 NAFZ K 1...

Page 6: ...unter clockwise until the first thread shows 2 Fan pattern adjustment Turn adjusting screw 5 to fully open position by turning counter clockwise 3 Air control valve Open air adjusting screw 14 fully by turning counter clockwise JGA 558 models only 4 Air supply pressure Regulate to 3 0 bar 43 45 lbf in 5 Pressure feed coating material supply Regulate pressure to 0 5 bar 7 lbf in 6 Turn on coating m...

Page 7: ...paint can distort the spray pattern 6 Lubrication stud screw 6 needle 7 and air valve 11 should be oiled each day Preventative Maintenance Replacement of Parts Nozzle 2 and Needle 7 Remove parts in the following order 10 8 7 1 and 2 Replace any worn or damaged parts and re assemble in reverse order Recommended tightening torque for nozzle 2 17 20 Nm 150 180 lbf in Packing Remove parts 10 8 7 Unscr...

Page 8: ...05 Website address http www itweuropeanfinishing com ITW Finishing Systems and Products is a Division of ITW Ltd Reg Office Admiral House St Leonard s Road Windsor Berkshire SL4 3BL UK Registered in England No 559693 Vat No 619 5461 24 ITW Oberflächentechnik GmbH Co KG Justus von Liebig Straße 31 63128 Dietzenbach Tel 060 74 403 1 Telefax 060 74 403300 Website address http www itw finishing de ITW...

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