Graco Inc 695 Premium Hi-Boy, 795 Premium Hi-Boy, 3A0157A Pressure Control Transducer

Page 25

Troubleshooting

Pressure Control Transducer

Removal

Perform Pressure Relief Procedure; page 8. Wait 5 minutes before servicing.

1. Remove four screws (38) and cover (96).

96

38

ti13493a

2.Disconnect transducer connector (E) from motor control board (95).

E

4.Remove four screws (39) and control box (61). Allow control panel (68) to hang down freely.

ti7458a

68

39	ti13494a
	ti13494a
	61

5.Remove grommet (40) from control box then remove transducer (86) and o-ring (20) from filter base (67).

ti7260a

40 67

86

ti12999a

95

20ti13495a

3.Disconnect potentiometer connector (C), WatchDog switch, and reed switch connector from motor con- trol board.

6.Remove grommet (40) from transducer and save for reuse.

40

C

ti13722a

ti13495a

3A0157A

25

Image 25

Contents Mark Electric Airless SprayersUltra MAX lIl ModelsTable of Contents Grounding Grounding InstructionsSkin Injection Hazard Fire and Explosion HazardElectric Shock Hazard Equipment Misuse HazardPressurized Aluminum Parts Hazard Moving Parts HazardComponent Identification Pressure Relief Procedure Grounding Power RequirementsPails Extension CordWhat to Check What to do Type of Problem TroubleshootingMechanical/Fluid Flow Follow Pressure Relief Procedure on What to Check What to do Type of Problem Electrical Type of Problem What to Check HOW to CheckCheck to see if transducer and control board Step Check Motor Thermal Switch Unplug thermal Is not correct, replace motor YES Sprayer Will Not Shut OffSprayer Will Not Run Step VAC and 110 VAC Motor Control Board Removal Installation 33 D 115 Removal VAC Filter BoardPressure Adjust Potentiometer Pressure Control Transducer Install control box 61 and control panel 68 with four screws 3A0157A Disassembly Drive and Bearing Housing ReplacementAssembly Drive and Bearing Housing Replacement Installation Motor ReplacementRemoval Motor Replacement Perform Relieve Pressure Procedure Displacement Pump Replacement for 695/795/MarkTi7169a Perform Pressure Relief Procedure, Displacement Pump Replacement 1095/1595/MarkPlace u-bolt on pump door protrusion Attach drain hose to sprayer Hose Reel Grease shaft Install swivel Removal Installation Reed Switch Replacement120V Models Wiring Diagram120V Models with 15/20 Amp Switch 240V Models 3A0157A For Graco Canada Customers Graco Standard Warranty