Graco Inc. DURON Performance 390 user manual

User manual for the device Graco Inc. DURON Performance 390

Device: Graco Inc. DURON Performance 390
Category: Paint Sprayer
Manufacturer: Graco Inc.
Size: 1.22 MB
Added : 8/19/2013
Number of pages: 36
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Abstracts of contents
Summary of the content on the page No. 1

INSTRUCTIONS–PARTS LIST 308–646
Rev. B
This manual contains important
Supercedes Rev. A
warnings and information.
READ AND RETAIN FOR REFERENCE
ELECTRIC, 120 VAC
Performance 390
Airless Paint Sprayer
2750 psi (195 bar) Maximum Working Pressure
Model 231–553, Series A
Complete sprayer with hoses, gun, RAC IV DripLess
Tip Guard and SwitchTip

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1996, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001

Summary of the content on the page No. 2

Table of Contents Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ON/OFF Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Component Identification and Function . . . . . . . . . . . 5 Drive Housing, Connecting Rod, Crankshaft . . . . . . 28 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Operation . . . . . . . .

Summary of the content on the page No. 3

WARNING WARNING INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause ex- tremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury.  Fluid injected into the skin is a serious injury. The injury may look like just a cut, but it is a serious injury. Get immediate medical attention.  Do not point the gun at anyone or at any part of the body.  Do not put your hand or fin

Summary of the content on the page No. 4

WARNING WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury. INSTRUCTIONS  This equipment is for professional use only.  Read all instruction manuals, tags, and labels before operating the equipment.  Use the equipment only for its intended purpose. If you are not sure, call your distributor.  Do not alter or modify this equipment.  Check equipment daily. Repair or replace worn or damaged parts immediately.  Do not

Summary of the content on the page No. 5

Component Function and Identification B N C A H E K  G D M L F J  Fig. 1 A Motor DC motor, 120 Vac, 15A, 1 phase B Drive Assembly Transfers power from DC motor to the displacement pump C Pressure Adjusting Knob Controls fluid outlet pressure D ON/OFF Switch Power switch that controls 120 Vac power to sprayer E Fluid Outlet Hose and spray gun is connected here F Displacement Pump Pressurizes fluid to be sprayed through spray gun G 50 ft (15 m) Main Hose 1/4 in. ID, grounded, nylon hose

Summary of the content on the page No. 6

Setup 2. Fill the wet–cup (102). Pry off the wet-cup seal. WARNING Fill the cup 1/3 full with Graco Throat Seal Liquid (TSL), supplied. Install the wet-cup seal. If you supply your own hoses and spray gun, be sure the hoses are electrically conductive, that the 3. Plug in the sprayer. Be sure the ON/OFF switch gun has a tip guard, and that each part is rated for (52) is OFF. Plug the cord into a grounded outlet at at least 2750 psi (195 bar) Working Pressure. This least 20 feet away from the spr

Summary of the content on the page No. 7

Operation How to use the gun trigger safety  Open or drain, position When engaged, the gun safety latch prevents the gun  Closed, or spray position from accidental triggering. See Fig. 3. WARNING INJECTION HAZARD If the gun still sprays when the gun trig-  ger safety is locked, repair the gun. See manual 308–235, supplied.  Gun safety latch  shown engaged 04646 Gun safety latch Fig. 4  shown disengaged How to use the pressure control. The pressure control controls the motor operation so th

Summary of the content on the page No. 8

Operation How to use the RAC IV tip guard. WARNING   INJECTION HAZARD To reduce the risk of serious injury, Tip handle shown in whenever you are instructed to relieve  spraying position. pressure, follow the Pressure Relief Turn handle 180,  Procedure on page 9. trigger gun to clear clog  Fig. 6 How to remove a tip clog. 1. Release the gun trigger. Lock the safety latch. Ro- The tip guard alerts you to the risk and helps prevent tate the RAC IV tip handle 180. See Fig. 6. placing an

Summary of the content on the page No. 9

Startup NOTE: If this is a first-time startup, flush the sprayer. WARNING See page 13. INJECTION HAZARD NOTE: Refer to Fig. 9 and the other figures referenced The system pressure must be manually in the text as you start the sprayer. relieved to prevent the system from starting or spraying accidentally. Fluid 1. Open the pressure drain valve (42). See Fig. 7. under high pressure can be injected through the skin and cause serious injury. To reduce the risk of 2. Don’t install the spray tip until

Summary of the content on the page No. 10

Startup b. If more coverage is needed, use a larger tip WARNING rather than increasing the pressure. FIRE AND EXPLOSION HAZARD To reduce the risk of static sparking and c. Adjust the direction of the spray pattern. See splashing when priming or flushing the Fig. 8. Engage the gun safety latch. Loosen system, hold a metal part of the gun the retaining nut (A). Position the tip guard for firmly to the side of a grounded metal pail before a horizontal or vertical pattern. Hold the tip triggering th

Summary of the content on the page No. 11

Startup 32  1/4 npsm(m) fluid outlet 33  Do not install any shutoff device here  Rotate clockwise to increase pressure  64  Shown in closed or spray position  Fill 1/3 full with TSL   28 74 52  102  67  Fig. 9  

Summary of the content on the page No. 12

Shutdown and Care WARNING WARNING INJECTION HAZARD INJECTION HAZARD See the warning section INJECTION To reduce the risk of serious injury, HAZARD on page 3 for information on whenever you are instructed to relieve the hazard of using damaged hoses. pressure, follow the Pressure Relief Procedure on page 9. Shutdown and Care Turn packing  nut clockwise to tighten 1. Check the packing nut/wet-cup daily (102). Re- lieve pressure first. Keep the wet-cup 1/3 full of TSL at all times to help prevent

Summary of the content on the page No. 13

Flushing 3. Pour one-half gallon (2 liters) of compatible solvent When to Flush into a grounded metal flushing pail. Put the suction 1. Before using a new sprayer: flush out the oil hose in the pail. which was left in to protect pump parts. 4. Open the pressure drain valve. See Fig. 4, page Before using water-base paint: flush with min- 7. eral spirits followed by soapy water, and then a clean water flush. 5. To save the paint still in the pump and hose, follow Step 6, except put the drain tube

Summary of the content on the page No. 14

Troubleshooting WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. Basic Problem Solving Check everything in the troubleshooting table before disassembling the sprayer. TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK, refer to this column Fluid pressure 1. Check pressure control knob setting. The pump 1. Slowly increase pressure setting to se

Summary of the content on the page No. 15

Basic Problem Solving TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK, refer to this column Electrical (continued) 5. Check motor armature commutator for burn 5. Remove motor and have motor shop spots, gouges and extreme roughness. Re- resurface commutator if possible. See move motor cover and brush inspection plates page 26. to check. See page 20. 6. Check motor armature for shorts using arma- 6. Replace motor. See page 26. ture tester (growler) or

Summary of the content on the page No. 16

Intermediate Problem Solving TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK, refer to this column Low output (continued) 3. Release gun trigger. Observe resting position of 3. If pump consistently comes to rest with pump rod (107). rod (107) fully extended, the piston pack- ings and/or piston valve may be worn. Service the pump. See page 22. 4. Check electrical supply with volt meter. Meter 4. Reset building circuit breaker; replace should read 105

Summary of the content on the page No. 17

Intermediate Problem Solving TYPE OF PROBLEM WHAT TO CHECK WHAT TO DO If check is OK, go to next check When check is not OK, refer to this column 1. Spray tip worn beyond sprayer pressure capa- 1. Replace spray tip. Spray Pattern Variations bility. NOTE: A smaller size tip will provide longer life. 2. Check transducer (29) for wear or damage. 2. Replace transducer. See page 31. 3. Check pressure control (64) for smooth opera- 3. Replace pressure control. See page 30. tion. 4. Check Low output se

Summary of the content on the page No. 18

Motor Test WARNING INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 9. B For checking armature, motor winding and brush elec- trical continuity. Setup A Remove the drive housing. See page 28. This is to ensure that any resistance you notice in the armature test is due to the motor and not to worn gears in the drive housing. Remove the motor brush inspection covers (A). See Fig. 12.  Fig. 12 R

Summary of the content on the page No. 19

General Repair Information WARNING WARNING INJECTION HAZARD HOT SURFACE HAZARD During operation, the motor and drive To reduce the risk of serious injury, housing become very hot and could burn whenever you are instructed to relieve your skin if touched. Flammable materi- pressure, follow the Pressure Relief als spilled on the hot, bare motor could cause a fire Procedure on page 9. or explosion Tool List CAUTION These are the tools required to service all parts of the To reduce the risk of a pr

Summary of the content on the page No. 20

Motor Brushes NOTE: Replace brushes when worn to about 0.5 in.  Motor lead; do not disconnect (12.5 mm). Always check both brushes. Brush Repair  Minimum 0.5” (12.5 mm) Kit 236–967, which includes spring clip 112–766, is  Included in Brush Repair available for motors manufactured by Pacific Scientific. Kit 236–967  NOTE: Replacement brushes may last only half as  C H long as the original ones. To maximize brush life, break G in new brushes by operating the sprayer for at least  F one hour


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