Graco 795 - Manuals

Graco 795 – Manual in PDF format online.

Manuals:

Manual

Manual Graco 795

Summary

Page 2 - Component Identification and Function

2 308842 Component Identification and Function 03008 Fig. 1 N K E H B A L T C P R M D J S G F U V 8050A A Motor DC motor, permanent magnet, totally enclosed, fan cooled B Drive Assembly Transfers power from DC motor to displacement pump C Pail Hanger Container for fluid to be sprayed may be hung her...

Page 3 - General Repair Information; CAUTION; Pressure Relief Procedure; WARNING

3 308842 General Repair Information CAUTION To reduce risk of pressure control malfunction: Use needle nose pliers to disconnect a wire. Neverpull on wire, pull on connector. Mate wire connectors properly. Center flat blade ofinsulated male connector in female connector. Route wires carefully to avo...

Page 4 - Grounding; Troubleshooting; MOTOR WON’T OPERATE

4 308842 Grounding WARNING Improper installation or alteration of grounding plugresults in risk of electric shock, fire or explosionthat could cause serious injury or death. 1. Models 232144, 145, 154 require a 230 VAC, 50Hz, 10A circuit with a grounding receptacle. Mod-els 232148, 158 require a 110...

Page 6 - LOW OUTPUT

6 308842 Troubleshooting LOW OUTPUT TYPE OF PROBLEM WHAT TO CHECK If check is OK, go to next check WHAT TO DO When check is not OK refer to this column Low Output 1. For worn spray tip. 1. Follow Pressure Relief Procedure Warn- ing, then replace tip. See your separate gun or tip manual. 2. Verify pu...

Page 7 - NO OUTPUT

7 308842 Troubleshooting NO OUTPUT TYPE OF PROBLEM WHAT TO CHECK If check is OK, go to next check WHAT TO DO When check is not OK refer to this column Motor runs and pump strokes 1. Paint supply. 1. Refill and reprime pump. 2. For clogged intake strainer. 2. Remove and clean, then reinstall. 3. For ...

Page 9 - Spin Test; Motor Brush Replacement

9 308842 Spin Test Setup Electric Shock Hazard; page 3. To check armature, motor winding and brush electricalcontinuity: 1. Relieve pressure ; page 3. 2. Remove drive housing; page 15. 3. Fig. 3. Remove pressure control cover (82). Dis-connect motor leads (F) and (G). 4. Fig. 4. Remove motor shield ...

Page 11 - On/Off Switch Replacement

11 308842 On/Off Switch Replacement 1. Read General Repair Information on page 3. 2. Relieve pressure ; page 3. 3. Fig. 7. Remove pressure control cover (82). 4. Remove display connector (B) from plug (C) 5. Disconnect four wires (A) from ON/OFF switch(80). 6. Press in on two retaining tabs on each ...

Page 12 - Pressure Control Repair; Motor Control Board

12 308842 Pressure Control Repair Motor Control Board Removal 1. Relieve pressure ; page 3. 2. Fig. 7. Remove five screws (28) and cover (82). 3. Fig. 17. Disconnect at motor control board (104): Filter board (8). Six motor leads: two yellow, two violet, black(+) and red (–). Lead (D) from potentiom...

Page 13 - Digital Display Messages

psibarMPa 13 308842 Pressure Control Repair Digital Display Messages 1. Lift lid on pressure control cover and view display. 2. Observe display and reference following table: 3. No display does not meanthat sprayer is not pressur- ized. Relieve pressure before repairing ; page 3. DISPLAY SPRAYER OPE...

Page 15 - Drive Housing Replacement

15 308842 Drive Housing Replacement CAUTION Do not drop gear cluster (51) when removing drivehousing (67). Gear cluster may stay engaged inmotor front end bell or drive housing. Do not lose thrust balls (90) or drop thrust ballsbetween gears. If thrust balls are caught betweengears and not removed, ...

Page 16 - Motor Replacement

8054A 16 20 49 67 67b 51 67a 90 90 34 26 20 54 22 73 20 16 70 40 A 30 10 85 Fig. 10 98 79 1 2 Torque to 90–100 in-lb (10.2–11.3 N m) Liberally apply grease 2 1 1 36 16 308842 Motor Replacement 1. Read General Repair Information on page 3. 2. Relieve pressure ; page 3. 3. Fig. 10. Remove motor shield...

Page 17 - Removing pump

17 308842 Displacement Pump Repair See manual 308798 for pump repair instructions. Removing pump 1. Flush pump. Relieve pressure. Fig. 11. Cyclepump with piston rod (222) in its lowest position. 2. Fig. 11. Remove suction tube and hose. Fig. 11 7672B 222 3. Fig. 12. Use screwdriver: push retaining s...

Page 18 - Parts Drawing – Sprayer

18 308842 Parts Drawing – Sprayer Ultra MAX 795 and 1095 Hi-boy Sprayers Model 232144, Series AModel 232154, Series AModel 232148, Series AModel 232158, Series AModel 232156, Series A 8055A REF 77 SEE PARTS ON PAGE 22 33 Ref 70 Ref 85 32 68 24 61 66 39 53 47 40 70 78 20 16 30 77 54 34 16 20 73 90 67...

Page 19 - Parts List – Sprayer

19 308842 Parts List – Sprayer Ultra MAX 795 and 1095 Hi-boy Sprayers Model 232144, Series A; Model 232154, Series AModel 232148, Series A; Model 232156, Series A; Model 232158, Series A REF NO. PART NO. DESCRIPTION QTY REF NO. PART NO. DESCRIPTION QTY 10 110996 NUT, heavy hex, 5/16–18 unc–2a 4 14 1...

Page 23 - Wiring Diagram

8100B Fig. 17 Brown Green TP4 TP5 TP2 TP1 104 Violet TP3 Pressure Transducer ON/OFFSwitch Power Plug Potentiometer from Motor Digital Display Filter Board Red (+) Black (–) Blue Yellow Brown Blue View C–C C C Brown Blue 107 Wiring Diagram Heat from inductor coil of filter board maydestroy wire insul...

Page 24 - Accessories; Technical Data; Dimensions

24 308842 Accessories French 185955 Spanish 185962 German 186042 Greek 186046 Korean 186050 Apply otherlanguage here DANGER LABELS An English language DANGER label is on yoursprayer. If you have painters who do not read En-glish, order one of the following labels to apply toyour sprayer. The drawing...