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INSTRUCTIONS–PARTS LIST

308–457

Rev. B

Supersedes A

23:1 MONARK CARBON STEEL, CART  MOUNTED

AA200hs Air-Assisted Airless 
Spray Package

See the Data Sheet, 305–663, for application information.

2760 psi (190 bar) Maximum System Working Pressure
120 psi (8.3 bar) Maximum Air Inlet Pressure

Model 237–418, Series A

This complete package includes a pump, 
an AA200hs air-assisted airless–spray gun 
with a 411 spray tip,a portable cart, 25 ft. (7.6 m) air
and fluid hoses, 
air and fluid controls, and a fluid feed.

IMPORTANT

This manual provides the basic safety, installation and
operation information for the package. For your safety,
also read the component manuals supplied with this
package before operating it.

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

COPYRIGHT 1994, GRACO INC.

This manual contains important 
warnings and information. 
READ AND RETAIN FOR REFERENCE

Summary of Contents for 237-418

Page 1: ... includes a pump an AA200hs air assisted airless spray gun with a 411 spray tip a portable cart 25 ft 7 6 m air and fluid hoses air and fluid controls and a fluid feed IMPORTANT This manual provides the basic safety installation and operation information for the package For your safety also read the component manuals supplied with this package before operating it GRACO INC P O BOX 1441 MINNEAPOLIS...

Page 2: ...rts 12 Technical Data 16 Warranty 16 Graco Phone Numbers 16 Symbols Warning Symbol WARNING This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions Caution Symbol CAUTION This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the corresponding instructions ...

Page 3: ...perates before spraying the gun D Lock the gun trigger safety when you stop spraying D Follow the Pressure relief procedure on page 8 if the spray tip clogs and before cleaning checking or servicing the equipment D Tighten all fluid connections before each use D Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Per manently coupled hoses cannot be repaired D Handl...

Page 4: ...t D Use the equipment only for its intended purpose If you are in doubt about this call Graco Techni cal Assistance at 1 800 543 0339 D Do not alter or modify this equipment Use only genuine Graco parts and accessories D Check equipment daily Repair or replace worn or damaged parts immediately D Do not exceed the 2760 psi 190 bar maximum working pressure at 120 psi 8 3 bar maxi mum incoming air pr...

Page 5: ... the pump air regulator 8a is opened the valve relieves all air pressure to the system 4 Have a grounded metal waste pail available to use when draining the fluid filter 5 Ventilate the spray booth WARNING To prevent hazardous concentrations of toxic and or flammable vapors spray only in a properly venti lated spray booth Never operate the spray gun unless ventilation fans are operating Check and ...

Page 6: ...ely V Ground the system WARNING To reduce the risk of static sparking ground the pump and all other equipment used or located in the spray area Check your local electrical code for detailed grounding instructions for your area and type of equipment Ground all of this equipment Also read FIRE OR EXPLOSION HAZARD on page 4 1 Pump one end of the ground wire 30 is already connected to the air motor gr...

Page 7: ...of the spray pattern 2 To unlock the gun trigger safety turn the safety so it is parallel with the trigger To lock the gun trigger safety turn the safety to a right angle with the trig ger See Fig 2 Fig 2 UNLOCKED gun trigger safety LOCKED gun trigger safety 0795A 1 2 1 2 E II How to change the spray pattern direction 1 Relieve the air and fluid pressure 2 Install a spray tip in the gun Rotate the...

Page 8: ...ining nut or hose end cou pling and relieve pressure gradually Clean the tip or hose obstruction II Flush the pump before the first use Flush with a solvent compatible to your fluid Consult the fluid manufacturer s literature for recommenda tions See Flushing on page 10 III Prime the system See Fig 5 1 Remove the air cap and spray tip from the gun 2 Close the filter drain valve 26 3 Put the suctio...

Page 9: ...d outlet pressure by about 100 psi 6 9 bar and try again Continue to raise the fluid pressure in 100 psi 6 9 bar increments until the pattern is full and clean Do not exceed 120 psi 8 3 bar incoming air pressure or 2760 psi 190 bar fluid working pressure NOTE Always use the lowest fluid and air pres sure required for good atomization and spray pat tern for maximum fluid efficiency Air pressure ove...

Page 10: ...ed metal waste pail Trigger the gun Slowly increase the pump air regulator setting until the fluid flows freely Some air will spit from the gun until the fluid arrives 9 Keeping the gun triggered decrease the pump air regulator 8a pressure as much as possible without stalling the pump and pump out the solvent until air comes through the gun 10 Repeat the procedure with clean solvent if needed 11 R...

Page 11: ...11 308 457 Notes ...

Page 12: ...15 102 814 FLUID PRESSURE GAUGE 1 16 166 999 ELBOW reducing street 1 2 npt m x 1 4 npt f 1 17 162 453 NIPPLE 1 4 npt x 1 4 npsm 2 18 214 960 SUCTION HOSE 3 4 npt mbe 3 4 ID x 3 5 19 mm ID x 1 06 m 1 19 165 767 SUCTION TUBE 3 4 npt f 1 20 100 349 FLUID INTAKE ELBOW 3 4 npt f 1 21 100 016 LOCKWASHER 1 4 spring 2 23 155 665 SWIVEL UNION 3 8 npt m x 3 8 npsm f 1 24 206 994 THROAT SEAL LIQUID 8 oz 1 25...

Page 13: ...13 308 457 Parts A A 1 2 3 4 5 6 7 8 8 9 9 11 12 13 14 15 18 19 20 21 26 28 30 27 27 33 33 33 34 29 10 22 31 32 35 36 37 23 25 17 16 17 ...

Page 14: ...14 308 457 Notes ...

Page 15: ...15 308 457 Notes ...

Page 16: ...n authorized Graco distributor for verification of the claim If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in fluid or workmanship repairs will be made at a reasonable charge which charges may include the cos...

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