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Graco 248195 manuel d'utilisation

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- nom du fabricant et année de fabrication Graco 248195
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- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Graco 248195 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Graco 248195 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Graco en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Graco 248195, comme c’est le cas pour la version papier.

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Table des matières du manuel d’utilisation

  • Page 1

    For water-based materials only. For professional use only. Not approved for use in European explosive atmosphere locations. Model 248195, Series A Model 248269, Series A Model 249075, Series A 580 psi (4 MPa, 40 bar) Maximum Working Pressure IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in this manual. Save these instructions. 30[...]

  • Page 2

    Table of Contents 2 309977H Table of Contents Table of Contents .......................... 2 Warnings ................................. 3 General Repair Information .................. 6 Pressure Relief .......................... 6 Pressure Relief Procedure ................. 6 Grounding and Electrical Requirements ....... 6 General Repair Informatio[...]

  • Page 3

    Warnings 309977H 3 Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual, refer back to these Warnings. Product-specific[...]

  • Page 4

    Warnings 4 309977H W ARNING W ARNING W ARNING W ARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent, in work area can ignite or explode. To help prevent fire and explosion: • Use equipment in well ventilated area. • Sprayer generates sparks. When flammable liquids are used near the sprayer or for flushing or cleaning, keep sprayer[...]

  • Page 5

    Warnings 309977H 5 W ARNING W ARNING W ARNING W ARNING MOVING PARTS HAZARD Moving parts can pinch, cut or amputate fingers and other body parts. • Keep clear of moving parts. • Do not operate equipment with protective guards or covers removed. • Pressurized equipment can start without warning. Before checking, moving, or servicing equipment, [...]

  • Page 6

    General Repair Information 6 309977H General Repair Information Pressure Relief The system pressure must be manually relieved to pre- vent the system from starting or spraying accidentally. To reduce the risk of an injury from accidental spray from the applicator, splashing fluid, or moving parts, fol- low the Pressure Relief Procedure whenever you[...]

  • Page 7

    General Repair Information 309977H 7 General Repair Information Auxiliary Air Compressor An external air compressor may be connected to the applicator air line fitting, This may be useful for the appli- cation of decorative or hard-to-spray materials. Hose Size and Lengths The system comes with the following hoses: Hose Usage Always attach the 25mm[...]

  • Page 8

    Troubleshooting 8 309977H Troubleshooting Relieve pressure; page 6. MOTOR WON’T OPERATE . 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 Basic Fluid Pressure Prob- lems 1. Pressure control knob setting. Motor will not run if at minimum setting (fully counterclockwise). 1. Slowl[...]

  • Page 9

    Troubleshooting 309977H 9 Basic Electrical Problems (continued) 7. Brush length which must be 1/4 in, minimum. See page 14. NOTE: Brushes do not wear at the same rate on both sides of motor. Check both brushes. 7. Replace brushes. See page 14. 8. For broken or misaligned motor brush springs. Spring must rest squarely on top of brush. See page 14. 8[...]

  • Page 10

    Troubleshooting 10 309977H LOW OR FLUCTUATING 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 , page 6, then replace tip. See separate gun or tip manual. 2. Verify pump does not continue to stroke when gu[...]

  • Page 11

    Troubleshooting 309977H 11 MOTOR IS HOT AND RUNS INTERMITTENTLY Low Output continued 13. Low stall pressure. 13. Do either or both: a. Turn pressure control knob fully clock- wise. Make sure pressure control knob is properly installed to allow full clockwise position. b. Try a new transducer. 14. Motor armature for shorts by using an armature teste[...]

  • Page 12

    Troubleshooting 12 309977H ELECTRICAL SHORT 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 Building circuit breaker opens as soon as sprayer switch is turned on. CAUTION Any short in any part of the motor power circuit will cause the control circuit to inhibit sprayer operation. [...]

  • Page 13

    Spin Test 309977H 13 Spin Test Setup To check armature, motor winding and brush electrical continuity: 1. Relieve pressure; page 6. 2. Remove motor, page 15. 3. Fig. 3. Remove six screws (12) and motor cover (18). 4. Fig. 2. Disconnect wire harness (155) from control board. Armature Short Circuit Test Quickly turn motor fan by hand. If no electrica[...]

  • Page 14

    Motor Brush Replacement 14 309977H Motor Brush Replacement Motor Brush Removal Replace brushes worn to less than 1/2 in. Check both sides. Order Brush Repair Kit 243642 for 220-240 Vac motors and 243215 for 100-120 Vac motors with exter- nal capacitor. 1. Read General Repair Information; page 6. 2. Relieve pressure; page 6. 3. Fig. 6. Remove six sc[...]

  • Page 15

    Motor Replacement 309977H 15 Motor Replacement Removal 1. Relieve pressure; page 6. 2. Fig. 5. Remove pump module (A). a. Loosen clamp rod (20). b. Release hopper quick-release clamp (28). c. Disconnect pump module (A) from frame (35). F IG .5 3. Fig. 6. Remove six screws (12) and motor cover (18). 4. Remove two screws (41) and disconnect leads fro[...]

  • Page 16

    Motor Replacement 16 309977H F IG .6    <HOORZ                ' & WLD %     [...]

  • Page 17

    Pressure Control Repair 309977H 17 Pressure Control Repair Motor Control Board Diagnostics Note: Keep a new transducer on hand to use for test. 1. Relieve pressure; page 6. 2. Remove five screws (12) and motor cover (18). 3. Plug in power cord. 4. Observe LED operation and reference following table: NOTICE Do not allow sprayer to develop fluid pres[...]

  • Page 18

    Pressure Control Repair 18 309977H Pressure Control Repair Motor Control Board Removal Refer to Wiring Diagram, page 29. 1. Relieve pressure; page 6. 2. Remove five screws (12) and motor cover (18). 3. Cut wire tie holding wiring to motor control board (38). 4. Disconnect at motor control board (38): • Motor wire harness: brown (+), blue (-). •[...]

  • Page 19

    Pressure Control Repair 309977H 19 Pressure Control Transducer Removal Refer to Wiring Diagram, page 29. 1. Relieve pressure; page 6. 2. Remove five screws (12) and motor cover (18). 3. Disconnect lead (E) from motor control board (38). 4. Remove strain relief (49) from circuit board bracket (21). Thread transducer connector through bracket. 5. Rem[...]

  • Page 20

    Pump Repair 20 309977H Pump Repair Removal 1. Relieve pressure; page 6. 2. Perform Storage More than 24 hours procedure in Operation Manual 309973, 309974 or 309975. 3. Fig. 8. Loosen clamp rod (20). F IG .8 4. Release hopper quick-release clamp (28). 5. Disconnect pump module (A) from frame (35). 6. Remove five screws (12) and motor cover (18). 7.[...]

  • Page 21

    Pump Repair 309977H 21 Disassemble Pump TIP: It may be easier to leave the pump connected to the connecting rod and bearing housing if the only assemblies to be cleaned and inspected is the intake housing or piston valve. 1. Relieve pressure; page 6. 2. See Pump Repair, Removal on page 20 to remove pump. 3. Fig. 13. Remove clamp (209) and intake ho[...]

  • Page 22

    Pump Repair 22 309977H Assemble Pump 1. Fig. 16. Place end of piston rod (203) in vise. Install new piston seal (222). Torque piston valve to 27 ft-lb (36.6 N  m). F IG .1 6 2. Fig. 17. Install packing nut (216). Hand tighten and then tap screw driver. Push piston rod (203) into out- let housing (202) and extending 50-75mm out of outlet housing.[...]

  • Page 23

    Bearing Housing and Connecting Rod 309977H 23 Bearing Housing and Connecting Rod Removal 1. Relieve pressure; page 6. 2. Fig. 20. Do Pump Repair Removal, page 20. 3. Tip motor/drive housing assembly horizontal. Remove four screws (90), washers (71) and gear housing base (25). 4. Remove four screws (7) and lock washers (6) from bearing housing (34).[...]

  • Page 24

    Drive Housing 24 309977H Drive Housing Removal 1. Relieve pressure; page 6. 2. Fig. 5. Remove pump module (A). a. Loosen clamp rod (20). b. Release hopper quick-release clamp (28). c. Disconnect pump module (A) from frame (35). 3. Fig. 6. Remove Five screws (12) and motor cover (18). 4. Fig. 21. Lay pump module horizontal. Remove four screws (90) a[...]

  • Page 25

    Drive Housing 309977H 25 Drive Housing Installation 1. Fig. 21. Install thrust washers (10, 11, 14) on combi- nation gear (29). Install combination gear in drive housing (37). 2. Liberally apply bearing grease (supplied with combi- nation gear) to all gear teeth and to drive housing areas called out by note 1. 3. Align gears and push new drive hous[...]

  • Page 26

    Parts Drawing 26 309977H Parts Drawing      D  E  F WLE         SDJH                SJ    ?[...]

  • Page 27

    Parts List 309977H 27 Parts List Models 248195, 248269, 249075; Series A Ref. Part Description Qty. 1 100004 SCREW, cap, hex hd 1 2 101242 RING, retaining, ext. 2 3 101566 NUT, lock 1 4 102040 NUT, lock, hex 6 5 104430 PIN, cotter 1 8 111145 KNOB, pronged 1 9 111841 WASHER, plain, 5/8 2 12 PM 115492 SCREW, mch, slot hex wash hd 9 13 PM 116171 BUSHI[...]

  • Page 28

    Parts Drawing 28 309977H Parts Drawing GHQPDUN ,WDO VZLW]HUODQG 0RGHO 0RGHO 0RGHO WLE                          ?[...]

  • Page 29

    Parts List 309977H 29 Parts List Models 248195, 248269, 249075; Series A Ref. Part Description Qt y. 6 PM 106115 WASHER, lock spring (hi-collar) 4 7 PM 107210 SCREW, cap, socket hd 4 10 PM 114672 WASHER, thrust 3 11 PM 114699 WASHER, thrust 1 14 PM 116191 WASHER, thrust 1 25 PM 15D708 BASE, gear housing 1 27 PM 193037 NUT, retaining 1 29 PM 243870 [...]

  • Page 30

    Parts Drawing 30 309977H Parts Drawing                    SDJH     $ % & WLD  26[...]

  • Page 31

    Parts - Pump 248764 309977H 31 Parts - Pump 248764 Models 248764; Series A 248405 Applicator Tool Box Ref. Part Description Qt y. 201 15D113 CYLINDER, pump 1 202 15D108 HOUSING, outlet 1 203 15D532 ROD, piston 1 204 248769 KIT, repair, housing, intake includes PTFE o-ring 1 206 15D115 GUIDE, ball 1 207 193395 SEAT, carbide 1 208 107167 BALL, sst 1 [...]

  • Page 32

    Notes 32 309977H Notes[...]

  • Page 33

    Technical Data 309977H 33 Technical Data Maximum air working pressure ............................. 2 5 0p s i (1.7 MPa, 17 bar) Maximum working pressure ............................... 5 8 0p s i (4.0 MPa, 40 bar) Generator required ...................................... 7k W Hopper capacity Maximum ........................................ 1 2 gal[...]

  • Page 34

    All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. 2ULJLQDOLQVWUXFWLRQV This manual contains English. MM 309977 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Kor[...]