DeVilbiss FLG-513, FLG-606, FLG-626 Service Bulletin

SERVICE BULLETIN
SB-2-601-C
Replaces SB-2-601-B
Gun Repair Kit FLG-480
FLG-513, FLG-606 AND FLG-626 SPRAY GUN
IMPORTANT: Before using this equipment, read all safety precautions on page 2 and instructions. Keep for future use.
DESCRIPTION - MODEL FLG-606 & FLG-626 SPRAY GUNS
The FLG-606 and FLG-626 are light weight, general purpose suction feed spray guns for both conventional and HVLP spraying applica­tions suitable for use with a wide variety of common coating materials. These models include the TGC-545 suction cup. The FLG­513 is a pressure feed HVLP spray gun.
Halogenated hydrocarbon solvents - for example; 1, 1, 1­trichloroethane and methylene chloride - can chemically react with the aluminum in this gun and cause an explo­sion hazard. Read the label or data sheet for the material you intend to spray. Do not use spray materials contain­ing these solvents with this spray gun.
IMPORTANT: This gun may be used with most common coating and finishing materials. It is designed for use with mildly corrosive and non-abrasive materials. If used with other high corrosive or abrasive materials, it must be expected that frequent and thor­ough cleaning will be required and the necessity for replacement of parts will be increased.
OPERATION
Strain material thru 60 or 90 mesh screen.
Model FLG-606:
The No. 1 (conventional) air cap requires an air supply at the gun inlet of approximately 45 psi, measured with the trigger pulled and can be operated from a 3 H.P. compressor.
HVLP Models FLG-513 and FLG-626:
The No. 3 (HVLP) air cap requires an air supply at the gun inlet of 23 psi max., measured with the trigger pulled.
This gun was manufactured to provide maximum transfer efficiency by limiting air cap pressure to 10 psi (complies with rules issued by SCAQMD and other air quality authorities).
possible. If a wire or hard instrument is used, extreme care must be used to prevent scratching or burring of the holes which will cause a distorted spray pattern.
To clean fluid passages, remove excess material at source, then flush with a suitable solvent. Wipe gun exterior with a solvent dampened cloth. Never completely immerse in solvent as this is detrimental to the lubricants and packings.
To prevent damage to the fluid tip (3) or fluid needle (6), be sure to either 1) pull the trigger and hold while tight­ening or loosening the fluid tip or 2) remove fluid needle adjusting screw (15) to relieve spring pressure against needle collar.
Spray Gun Lubrication
Daily, apply a drop of SSL-10 spray gun lube at trigger bearing stud (11) and the stem of the air valve (17) where it enters the air valve assembly (21). The shank of the fluid needle (6) where it enters the packing nut (8) should also be oiled. The fluid needle packing (9) should be kept soft and pliable by periodic lubrication. Make sure the baffle (5) and retaining ring (1) threads are clean and free of foreign matter. Before assembling retaining ring to baffle, clean the threads thoroughly, then add two drops of SSL-10 spray gun lube to threads. The fluid needle spring (14) and air valve spring (18) should be coated with a very light grease, making sure that any excess grease will not clog the air passages. For best results, lubricate the points indicated, daily.
A. Trigger Points B. Packing C. Adjusting Valves D. Baffle Threads
Note
A
C
This gun will produce approximately 10 psi cap pressure at 23 psi inlet pressure, as measured at the gun inlet. An air cap test kit (see ACCESSORIES) should be used to insure 10 psi cap pressure is not exceeded.
Adjust fluid pressure to deliver the desired paint volume. Adjust air pressure and fluid flow to provide a uniform dispersion of atomized paint throughout the pattern. Keep air pressure as low as possible to minimize bounce - back and overspray. Excessive air pressure will result in split patterns. Low air pressure will result in heavy centered patterns and poor atomization. Excessive fluid flow will result in heavy center spray patterns. Inadequate fluid flows may cause the pattern to split. See Spray Gun Guide, SB-2-001, which is available upon request, for details concerning set up of spray guns.
PREVENTIVE MAINTENANCE
To clean air cap and fluid tip, brush exterior with a stiff bristle brush. If necessary to clean cap holes, use a broom straw or toothpick if
D
B
Figure 1
DESCRIPTION - MODEL TGC-545 CUP
This one quart capacity drip free suction cup has a unique, two position valve which permits selection of either a drip free spraying mode or a conventional open vent mode.
In the drip free position, air is directed through the vent in the lid to a channel beneath the lid gasket before entering the cup at the valve. This allows the cup to be tilted when full without dripping paint through the vent. The cup can also be inverted while spraying without leaking.
The open position isolates the channel and opens a direct vent into the cup.
(Continued on page 3)
Page 2 SB-2-601-C
SAFETY PRECAUTIONS
This manual contains information that is improtant for you to know and understand. This information relates to USER SAFETY and PREVENTING EQUIPMENT PROBLEMS. To help you recognize this information, we use the following symbols. Please pay particular attention to these sections.
Note
Important safety information - A hazard that may cause serious injury or loss of life.
The following hazards may occur during the normal use of this equipment.
HAZARD CAUSE SAFEGUARDS
Fire
Solvent Spray
Please read the following chart before using this equipment.
Solvent and coatings can be highly flam- Adequate exhaust must be provided to keep air free of mable or combustible especially when accumulations of flammable vapors. sprayed.
During cleaning and flushing, solvents can Wear eye protection. be forcefully expelled from fluid and air passages. Some solvents can cause eye injury.
Important information that tells how to prevent damage to equipment, or how to avoid a situation that may cause minor inury.
Smoking must never be allowed in the spray area.
Fire extinguishing equipment must be present in the spray area.
Information that you should pay special attention to.
Inhaling Toxic Substances
Explosion Hazard ­Incompatible Materials
Certain materials may be harmful if Follow the requirements of the Material Safety Data inhaled, or if there is contact with the skin. Sheet supplied by your coating material manufacturer.
Adequate exhaust must be provided to keep the air free of accumulations of toxic materials.
Use a mask or respirator whenever there is a chance of inhaling sprayed materials. The mask must be compatible with the material being sprayed and its concentration. Equipment must be as prescribed by an industrial hygienist or safety expert, and be NIOSH approved.
Halogenated hydrocarbon solvents - for Guns with stainless steel internal passageways may be example; methylene chloride and 1, 1, 1 - used with these solvents. However, aluminum is widely Trichlorethylene are not chemically com- used in other spray application equipment - such as patible with the aluminum that might be material pumps, regulators, valves, and this gun and cup. used in many system components. The Check all equipment items before use and make sure they chemical reaction caused by these solvents can also be used safely with these solvents. Read the reacting with aluminum can become violent label or data sheet for the material you intend to spray. and lead to an equipment explosion. If in doubt as to whether or not a coating or cleaning
material is compatible, contact your material supplier.
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