Graco Inc. ti6125a user manual

User manual for the device Graco Inc. ti6125a

Device: Graco Inc. ti6125a
Category: Paint Sprayer
Manufacturer: Graco Inc.
Size: 2.18 MB
Added : 8/15/2013
Number of pages: 30
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Abstracts of contents
Summary of the content on the page No. 1

Repair

390 Airless Sprayer
310824D
- For portable spray applications of architectural paints and coatings -
3300 psi (22.7MPa, 227bar) Maximum Working Pressure
IMPORTANT SAFETY INSTRUCTIONS!
Read all warnings and instructions. Save these instructions. Contact Graco Customer Service
or your local Graco distributor to obtain a manual in your language.
Related Manuals
310820
309639
309250
ti11608a
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310876
ti11626a
Hi-Boy
ti11583a
ProStep
Model* VAC Country

120 North America
262019, 25

Summary of the content on the page No. 2

Manual Conventions Contents Motor Brush Replacement . . . . . . . . . . . . . . . . . . 18 Manual Conventions . . . . . . . . . . . . . . . . . . . . . . . . 2 Control Board Replacement . . . . . . . . . . . . . . . . . 19 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 21 Component Identification . . . . . . . . . . . . . . . . . . . . 5 Pressure Control Assembly Replacement . . . . . . 22 Insta

Summary of the content on the page No. 3

Warning Warning The following warnings are for the setup, use, grounding, maintenance and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risks. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where appli- cable. Grounding Instructions This product must be grounded. In the event of an electrical short circuit, grounding reduces the risk o

Summary of the content on the page No. 4

Warning WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion: � Do not spray flammable or combustible materials near an open flame or sources of ignition such as cigarettes, motors, and electrical equipment. � Paint or solvent flowing through the equipment is able to result in static electricity. Static electricity creates a risk of fire or explosion in the presence of paint or solvent fume

Summary of the content on the page No. 5

Warning WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. � Always wear appropriate gloves, eye protection, and a respirator or mask when painting. � Do not operate or spray near children. Keep children away from equipment at all times. � Do not overreach or stand on an unstable support. Keep effective footing and balance at all times. � Stay alert and watch what you are doing. � Do not operate the unit when fatigued or under the influence of drugs or alcohol. � Do not ki

Summary of the content on the page No. 6

Component Identification Component Identification P S R U B B U K E A A E N M H F H F D J ti12008a D K J T T V Item English A Pressure Control BON/OFF switch DPower Cord E Fluid Outlet FPrime Valve HPump J Suction Hose KDrain Hose MFluid Hose NGun PTip R Guard S Trigger Safety Lock T Model/Serial Tag UFilter VPlatform 6 310824D

Summary of the content on the page No. 7

Installation Installation Do not use the sprayer if the electrical cord has a dam- Grounding and Electric aged ground contact. Only use an extension cord with Requirements an undamaged ground contact. WARNING Your system must be grounded. Read warnings, page 3. Recommended extension cords for use with this The sprayer cord includes: a grounding wire with an sprayer: appropriate grounding contact. 2 � 110-120V: 3-wire, 12 AWG (2.5 mm ) minimum, 300 ft. (90 m) maximum length. 2 � 240V: 3-wi

Summary of the content on the page No. 8

Pressure Relief Procedure Pressure Relief Procedure 3. Turn prime valve down. WARNING ti5304a Follow this Pressure Relief Procedure whenever you are instructed to relieve pressure, stop spraying, check or service equipment or install or clean spray tip. Read Injection Hazard Warning, page 3. 1. Turn OFF power and turn pressure control to lowest pressure setting. 2. Hold gun against side of grounded metal flushing If you suspect the spray tip or hose is clogged or that pail. Trigger gun to

Summary of the content on the page No. 9

General Repair Information General Repair Information WARNING WARNING Read Electric Shock Warning, page 3 and Burn To reduce risk of serious injury, including electric Hazard Warning, page 4. shock: � Do not touch moving or electric parts with fingers or tools while testing repair. WARNING � Unplug sprayer when power is not required for testing. � Install all covers, gaskets, screws and washers before you operate sprayer. Flammable materials spilled on hot, bare, motor could cause fire

Summary of the content on the page No. 10

Troubleshooting Troubleshooting WARNING Read Electric Shock Warning, page 3, Burn Hazard Warning, page 4 and Pressure Relief Procedure, page 8. What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Motor Won’t Operate Basic Fluid Pressure 1. Pressure control knob setting. Slowly increase pressure setting to see if motor Motor will not run if set at mini- starts. mum (fully counter-clockwise). 2. Spray tip or fluid filter may be Reli

Summary of the content on the page No. 11

Troubleshooting What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Basic Electrical 1. Electric supply. Meter must read Reset building circuit breaker, replace building See wiring diagram, page 100-130 VAC for 110-120 VAC fuses. Try another outlet. 28 models and 210-255 VAC for 240 VAC models. 2. Extension cord. Check extension Replace extension cord. cord continuity with volt meter. 3. Sprayer power supply cord. Replace power supp

Summary of the content on the page No. 12

Troubleshooting What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Low Output 1. Worn spray tip. Relieve pressure, page 8. Replace tip. Refer to gun instruction manual, 309639. 2. Verify pump does not continue to Service pump. See page 14, Displacement stroke when gun trigger is Pump Replacement. released. 3. Prime valve leaking. Relieve pressure, page 8. Then repair prime valve. See page 24, Manifold Replacement. 4. Suction hose

Summary of the content on the page No. 13

Troubleshooting What To Check What To Do Problem (If check is OK, go to next check) (When check is not OK, refer to this column) Motor runs and pump 1. Prime Valve Open. Close prime valve. strokes 2. Paint supply. Refill and reprime pump. 3. Intake strainer clogged. Remove and clean, then reinstall. 4. Suction hose leaking air. Tighten nut. Check o-rings on swivel. 5. Intake valve ball and piston ball See Pump Manual 309250. Strain paint before are seating properly. using to remove particles t

Summary of the content on the page No. 14

Displacement Pump Replacement Displacement Pump Replacement See manual 309250 for pump repair instructions. 4. Cycle pump until pin (32) is in position to be removed. Removal 5. Disconnect power cord from outlet. 6. Using a flat screwdriver, push retaining spring (C) WARNING up. Push out pump pin (32). Read Injection Hazard Warning, page 3, Moving Parts Hazard Warning, page 4 and Pressure Relief Procedure, page 8. 1. Relieve pressure, page 8. C 2. Loosen two screws (30) and rotate cover (

Summary of the content on the page No. 15

Displacement Pump Replacement 5. Screw in pump until threads are flush with top of Installation drive housing opening. WARNING If pump pin works loose, parts could break off due to force of pumping action. Parts could project through air and result in serious injury or property damage. CAUTION If the pump jam nut loosens during operation, the threads of the drive housing will be damaged. 6. Align pump outlet (E) to back. 1. Extend pump piston rod full. Apply grease to top of pump rod at (D

Summary of the content on the page No. 16

Drive Housing Replacement Drive Housing Replacement Installation WARNING 1. Apply a liberal coat of grease to gears and needle bearing surfaces. Install thrust bearing (4) and gears (2) and (3) in front endbell housing. Read Injection Hazard Warning, page 3 and page 8. Needle bearing surfaces Removal 1. Relieve pressure, page 8. 3 2. Remove pump (9). Displacement Pump Replace- 4 ment, page 14. Disconnect power cord from outlet. 3 4 2 5 7 ti6121a 6 32 30 2 ti5641a 2. Push drive housing

Summary of the content on the page No. 17

Spin Test Spin Test See Wiring Diagram, page 28. 2. If uneven or no resistance, check for missing brush caps, broken brush springs, brush leads, and worn brushes. Repair as needed, page 19. WARNING 3. If still uneven or no resistance, replace motor, page 27. 30 Read Electric Shock Warning, page 3 and Pressure Relief Procedure, page 8. To check armature, motor winding and brush electrical continuity: 1. Relieve pressure, page 8. Disconnect power cord from outlet. 29 2. Remove two screws (30

Summary of the content on the page No. 18

Fan Replacement Fan Replacement Removal 3. Remove spring clip (101) on back of motor. WARNING 4. Pull off fan (100). Installation Read Electric Shock Warning, page 3 and Pressure 1. Slide new fan (100) in place on back of motor. Be Relief Procedure, page 8. sure blades of fan face motor as shown. 1. Relieve pressure, page 8. Disconnect power cord from outlet. 2. Install spring clip (101). 2. Remove two screws (30) and shroud (29). 3. Replace shroud (29) and two screws (30). 100 101 30 29 ti5

Summary of the content on the page No. 19

Motor Brush Replacement Motor Brush Replacement See Wiring Diagram, page 28. 2. Push each cap (A) into place over brush. Orient each cap with the 2 projections on either side of the brush lead. You will hear a “snap” when cap is Removal securely in place. Replace brushes worn to less than 1/4 in. (6mm). Brushes wear differently on each side of motor, check 3. Using a wire stripper, strip off wire insulation approx- both sides. imately 1/4 inch (6 mm) from the end of each yellow wire (C) to

Summary of the content on the page No. 20

Control Board Replacement Control Board Replacement See Wiring Diagram, page 28. 6. Pull control board out slightly and then slide it back and off of frame. WARNING Make sure power cord is free and NOT wrapped around cord wrap. Read Electric Shock Warning, page 3 and Pressure 7. Remove grommet and wires from strain relief. Relief Procedure, page 8. Removal 1. Relieve pressure, page 8. Disconnect power cord A from outlet. B B 2. Remove two screws (30) and shroud (29). 3. Disconnect pressu


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