Kremlin J 53 User manual

INSTRUCTION MANUAL
AIRSPRAY GUN
MODEL J 53
Manual : 0506 573.156.112
Date : 1/06/05
Supersede : 10/09/02
Modif. : update
ADDITIONAL DOCUMENTATIONS
SPARE PARTS : GUN, model J 53 (Doc. 573.288.050)
KREMLIN REXSON – Site de Stains : 150, avenue de Stalingrad
93 245 - STAINS CEDEX - FRANCE
Téléphone : 33 (0)1 49 40 25 25 Fax : [phone]

KREMLIN Page 1 Manual : 573.156.112
INSTRUCTION MANUAL
AIRSPRAY GUN - MODEL J 53 A & J 53 P
Dear Customer, you have just acquired an outstanding gun. For your entire satisfaction, special care has
been taken by KREMLIN during all manufacturing processes for this spray gun. We suggest you first read
carefully the following instruction manual before operating your gun.
1. EC DECLARATION OF CONFORMITY
The manufacturer : KREMLIN REXSON with assets of 6 720 000 Euros
Head office : 150, avenue de Stalingrad 93 245 - STAINS CEDEX - FRANCE
Tel. [phone] - Fax : [phone]
Herewith declares that : Spray gun, is in conformity with :
Maquinery Directive (Directive 98/37/EC) as amended and with national implementing legislation,
ATEX Directive (Directive 94/9/EC) : II 2 G (group II, class 2, class)
Established in Stains, on March 1 st 2003,
Daniel TRAGUS
President
2. GENERAL SAFETY INSTRUCTIONS
WARNING : Any misuse of the equipment or accessories can damage them , result in serious
body injury, fire or explosion hazard and reduce the equipment working life. Read, understand
and comply with the safety instructions hereafter.
The personnel involved in operating and servicing the equipment must be aware of all safety
requirements stated in this manual. The workshop supervisor must be certain that the personnel has
perfectly understood the safety instructions and complies with them.
Read all instruction manuals as well as the tags of the equipments before operating the equipment.
Refer to local safety instructions and comply with them.
INSTALLATION REQUIREMENTS
ÂGround the equipments.
Use the equipment only in a properly ventilated area to maximilize health care. Any misuse of the spray
equipment or accessories can damage them and result in serious body injury, fire or explosion hazard.
Do not smoke in the spray area.
Never stoke paints and solvents in the spray area. Always close the pots and the tins.
Always keep the spray area clean and free from debris (solvent, rags,…).

KREMLIN Page 2 Manual : 573.156.112
Read paint and solvent manufacturer's technical instructions.
Spraying of some materials may result in hazardous working conditions. To protect the operator,
respirator mask, hand cream and glasses are required (Refer to chapter "Safety equipment" of
KREMLIN selection guide).
EQUIPMENT REQUIREMENTS
The operating pressure of these equipments are aprticularly high. Consequently, some precautions
must be taken in order to prevent from accidents and from unsafe working conditions.
ÂNever exceed the components maximum working pressure of the equipment.
HOSES
Do not use hoses with a maximum burst-proof pressure less than four times the maximum service
pressure of the pump (see data sheet).
Be certain the hoses are not crimped, leaking and not unrolled.
Be certain hoses are in good condition and showing no evidence of damage.
ÂUse only air hose with static conductor to supply the spray gun.
All fittings must be tight and in good condition.
GUN
Never wipe the end of the tip with fingers.
Never point the spray gun at anyone or at any part of the body.
Always depressurize air and hoses before carrying out any servicing on the gun.
MAINTENANCE REQUIREMENTS
ÂNever modify these equipments.
Check them daily, keep them in a good condition and replace the worn parts only with KREMLIN
parts.
Before cleaning or removing components of the equipment, it is compulsory :
-to stop the gun by shutting off the compressed air supply,
-to trigger the gun to depressurize the hoses.
3. TECHNICAL FEATURES
Small, lightweight decorating spray gun with exceptional manoeuvrability.
J 53 P J 53 A
Maximum air feeding pressure 6 bar / 87 psi
Recommended air working pressure 3 bar / 43.5 psi
Maximum fluid feeding pressure 6 bar / 87 psi (suction cup)
Maximum operating temperature 50°C / 122°F
Weight with cup 470 g / 1.03 lb 470 g / 1.03 lb (without cup)
Nozzle and needle Stainless steel
Gun body Aluminium
Air fitting M 1/4 NPS (+ M 1/4 BSP)
Fluid fitting M 1/4 NPS

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J 53 P GUN
Fluid viscosity
CA N°4 (s)
Projector Fluid output
(cc/mn / oz/mn)
Air consumption
(m3/h / c.f.m)
Fan width
(cm / " )
Fan type
14 – 20 s 08 PX 100 / 3.5 10 / 5.9 18 / 7.1" Flat fan
20 – 30 s 10 PX 120 / 4.2 10 / 5.9 21,5 / 8.5" Flat fan
30 – 40 s 12 PX 150 / 5.3 10 / 5.9 22 / 8.7" Flat fan
30 – 40 s 10 GL 120 / 4.2 10 / 5.9 8 / 3.1" line
J 53 A GUN
Fluid viscosity
CA N°4 (s)
Projector Fluid output
(cc/mn / oz/mn)
Air consumption
(m3/h / c.f.m)
Fan width
(cm / " )
Fan type
< 20 s 08 AM 80 / 2.8 10 / 5.9 10 / 3.9" Flat fan
< 20 s 10 AM 92 / 3.2 10 / 5.9 12 / 4.7" Flat fan
< 20 s 12 AM 131 / 4.6 10 / 5.9 17 / 6.7" Flat fan
20 – 40 s 15 AM 165 / 5.8 10 / 5.9 18 / 7.1" Flat fan
4. DESCRIPTION OF THE LABEL MARKING
Marking in accordance with the ATEX directive
KREMLIN
STAINS FRANCE Name and address of the manufacturer
03 Year of manufacturing (eg : 03 for 2003)
II 2 G II : group II 2: class 2
Surface equipment meant to an area where explosive
atmospheres due to gas, vapours, mists or air mixtures
with dusts will probably appear.
G: gas
On the trigger
P air : 6 bar / 87 psi Gun air supply maximum pressure
TYPE J 53 Gun model On the body
5. SUPPLY SYSTEM
Air supply : 7 mm i.d hose with a M 1/4 NPS or M 1/4 BSP fitting on the gun depending on the model.
Fluid supply : Suction : cup assembly (0,75 l) with drip-free system.
Pressure : pressure pot or low pressure pump. 7 mm i.d fluid hose with a M 1/4 NPS
fitting on the gun.
6. CONTROLS
FAN WIDTH
Can be adjusted by using the knurled knob located on the upper rear section of the spray gun. It
controls the air going to the horns on the air cap.

KREMLIN Page 4 Manual : 573.156.112
FLUID OUTPUT
Having selected the proper fluid and nozzle/needle assembly and the fluid pressure, it is possible to
further control the output by adjusting the travel of the needle (knurled knob located on the lower rear
section of the spray gun).
7. GUN HANDLING
When mounting the air cap on the gun, hold it vertically in order to correctly adjust the air cap before
screwing the air cap ring. Keep the gun perpendicular to the surface to be painted.
8. GUN CLEANING
Never use metal brushes files, points or clips for dismantling
SHORT BREAKS (LESS THAN 3 HOURS)
Remove the paint on the air cap, with a brush and solvent. Otherwise leave the equipment as it is.
Removing the paint will prevent the drying and clogging of the holes.
LONG BREAKS
Gun : Unscrew the air cap.
Remove the needle and then remove the fluid nozzle with the wrench provided. Soak the needle, air
cap, fluid nozzle in solvent, clean the internal part of the gun, carefully brush the threated parts.
Never soak the gun in solvent
Paint cup : If you want to keep the paint in the cup, put a cover on it to prevent its drying. If not, empty
out the paint and replace it with solvent. Clean the inside and outside part of the cup with a brush
soaked in solvent.
9. TROUBLESHOOTING CHART - WHAT TO DO
TROUBLE CAUSE SOLUTION
Spray fan is not
uniform.
Air holes in air cap are partially
blocked.
Improper ratio between Air pressure /
Fluid flow rate.
Nozzle is damaged.
Clean air cap.
Turn the fan air control and adjust
fluid flow rate.
Change it.
Intermittant spray
pattern.
Paint cup (or pressure tank) is empty.
Nozzle not correctly tightened.
Cup cover air hole blocked.
Fill it up.
Tighten nozzle.
Clean it.
Paint leak.
Dirt in the paint.
Needle is worn out.
Packing is worn out.
Operate 3 or 4 times the trigger
and release it.
Replace it.
Replace it.
Air valve leak. Defective valve. Replace it.