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Table of Contents
- 1 Table of Contents
- 2 Component Identification and Function
- 3 General Repair Information
- 4 Grounding
- 5 Troubleshooting
- 6 Pressure Control Repair
- 7 Drive and Bearing Housing Replacement
- 8 Motor Replacement
- 9 Displacement Pump Replacement
- 10 3-D Wiring Diagram
- 11 Technical Data
- 12 Dimensions
- 13 Graco Phone Number
- Download this manual
Repair
r
Ultimate
Airless Sprayers
3300 psi (227 bar, 22.7 MPa) Maximum Working Pressure
Vac
Model
695
120
795
North America
1095
R
1595
* Not ETL Approved
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Mx II 695/795/1095/1595t
Standard/
Premium
Standard
826048
826047
Premium
826041
826040
Standard
826049
Premium
826042
Standard
826050
Premium
826044
Standard
826054
826051*
Premium
826053
826045*
ECOPYRIGHT 2004, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
309942
826042
ti4281a
Rev. F
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Table of Contents
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Summary of Contents for Graco Ultimate Mx II 695
- Page 1 826042 1095 Standard 826050 Premium 826044 1595 Standard 826054 826051* Premium 826053 826045* * Not ETL Approved 826042 ti4281a GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 2004, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
Pressure Control Repair ....Graco Phone Number .... - Page 3 WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help pre- vent fire and explosion: D Use equipment only in well ventilated area. D Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop cloths (potential static arc).
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Page 4: Component Identification And Function
Component Identification and Function ti2377a ti4281a Fig. 1 Motor DC motor, permanent magnet, totally enclosed, fan cooled Drive Assembly Transfers power from DC motor to displacement pump Displacement Pump Transfers fluid to be sprayed from source through spray gun Fluid Outlet Spray gun is connected here Prime Valve Used to prime and drain sprayer (also relieves fluid outlet pressure) when open... -
Page 5: General Repair Information
General Repair Information Pressure Relief Procedure CAUTION To reduce risk of pressure control malfunction: WARNING Use needle nose pliers to disconnect wire. Never pull on wire, pull on connector. INJECTION HAZARD System pressure must be manually Mate wire connectors properly. Center flat blade of insulated male connector in female connector. -
Page 6: Troubleshooting
Troubleshooting Relieve pressure; page 5. Mechanical/Fluid Flow WHAT TO CHECK WHAT TO DO TYPE OF PROBLEM If check is OK, go to next check When check is not OK refer to this column Low Output or Pressure 1. For worn spray tip. 1. -
Page 7: Electrical
Troubleshooting Electrical Symptom: Sprayer does not run or stops running WARNING Relieve pressure; page 5. To avoid electrical shock or moving parts hazards when covers are removed for troubleshooting, wait 30 seconds after unplugging power cord for stored D Plug sprayer into correct voltage, grounded outlet electricity to dissipate. - Page 8 Troubleshooting Electrical DIGITAL CONTROL BOARD- INDICATION WHAT TO DO STATUS LIGHT DISPLAY Displays high – Improper pressure Open prime valve. Connect a known good trans- pressure ducer in place of the sprayer transducer. Set signal to contro when prime sprayer ON. Replace transducer If sprayer runs. valve is open Replace control board If sprayer does not run.
- Page 9 Troubleshooting Electrical DIGITAL CONTROL BOARD- INDICATION WHAT TO DO STATUS LIGHT DISPLAY E=05 Blinks 5 x repeat- Possible locked 1. Check motor wiring connections edly pump or drive. May be motor connection 2. Check for locked or frozen pump or drive train or wiring error.
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Page 10: Pressure Control Repair
Pressure Control Repair Motor Control Board Removal Installation 1. Fig. 3. Apply small amount of thermal compound 110009 (5) to shaded component areas on rear of Relieve pressure; page 5. motor control board (95). CAUTION 2. Fig. 3. Remove four screws (38) and cover (96). To reduce risk of motor control board failure, do not overtighten screws (102) which can damage the 3. - Page 11 Pressure Control Transducer Removal 7. Remove grommet (40) from transducer and save for reuse. Relieve pressure; page 5. Installation 1. Install o-ring (20) and transducer (86) in filter base 2. Fig. 3. Remove four screws (38) and cover (96). (67). Torque to 35–45 ft-lb (47–61 N·m). 3.
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Page 12: Drive And Bearing Housing Replacement
Drive and Bearing Housing Replacement 7. Remove five screws (6) and pull drive housing (90) CAUTION off motor (84). Do not drop gear cluster (89) when removing drive Assembly housing (90). Gear cluster may stay engaged in motor front end bell or drive housing. Fig. - Page 13 ti4253a Fig. 4 309942...
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Page 14: Motor Replacement
Motor Replacement Removal Installation 1. Slide new motor (84) under two screws (23) in cart Relieve pressure; page 5. frame (62) near control. 2. Remove pump (91); Displacement Pump Re- 2. Install two screws (23) and nuts (19) on motor side opposite control. - Page 15 ti4254a LED Status Light Fig. 5 309942...
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Page 16: Displacement Pump Replacement
Fig. 9 7. Fig. 6. Install pump rod shield (108) with screw 1.5 in. (31). 8. Fig. 10. Fill packing nut with Graco TSL until fluid flows onto top of seal. ti4258a Fig. 8 2. Install pump pin (44). Verify retaining spring (43) is ti4258a in groove of connecting rod (85). -
Page 17: 3-D Wiring Diagram
3-D Wiring Diagram ti4251a See Parts manual for wiring schematic Fig. 11 309942... -
Page 18: Technical Data
(57.2) Graco Phone Number TO PLACE AN ORDER OR FOR SERVICE, contact your Graco distributor, or call 1–800–690–2894 to identify the nearest distributor. All written and visual data contained in this document reflect the latest product information available at the time of publication.
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