Graco Merkur 313255F Instructions Manual
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Graco Merkur 313255F Instructions Manual

Graco Merkur 313255F Instructions Manual

Heated spray packages
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Instructions-Parts
Merkur
Spray Packages
For finishing and coating applications requiring heated materials, in hazardous or
non-hazardous locations. For professional use only.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 5 for model information, including maximum working pressures and approvals.
Model
G28C18
®
Heated
ti13017a
313255F
Model
G30W82
ll 2 G c T2
ENG
ti13016a

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Summary of Contents for Graco Merkur 313255F

  • Page 1 Instructions-Parts ® Merkur Spray Packages For finishing and coating applications requiring heated materials, in hazardous or non-hazardous locations. For professional use only. Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. See page 5 for model information, including maximum working pressures and approvals. Model G28C18 Heated...

  • Page 2: Table Of Contents

    Related Manuals Contents Related Manuals ......2 Warnings ....... . . 3 Models .

  • Page 3: Warnings

    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 symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable.
  • Page 4 Warnings EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.

  • Page 5: Models

    Models Check the identification plate (ID) for the 6-digit part number of your package. Use the following matrix and tables to define the components of your package. For example, package number G30W80 represents a Merkur package (G), with a 30:1 ratio pump (30), wall mounting (W), and the components shown for (80) in the table on page 6. ti12326a Second and Third Digits First Digit...

  • Page 6: Merkur 28:1 Heated Packages (G28Wxx And G28Cxx)

    Models Merkur 28:1 Heated Packages (G28Wxx and G28Cxx) Maximum Inlet Air Pressure: 100 psi (0.7 MPa, 7 bar) Maximum Fluid Working Pressure: 2800 psi (19.3 MPa, 193 bar) Model Wall Cart Pump Mount Mount Assembly Heater G28W07 G28C05 W28EAS 120V G28W08 G28C06 W28EBS 120V G28W09 G28C07 W28EAS...

  • Page 7: Merkur 48:1 Heated Packages (G48Wxx)

    Merkur 48:1 Heated Packages (G48Wxx) Maximum Inlet Air Pressure: 100 psi (0.7 MPa, 7 bar) Maximum Fluid Working Pressure: 4800 psi (33.1 MPa, 331 bar) Model Wall Cart Pump Mount Mount Assembly Heater G48W17 ----- W48CAS 120V G48W18 ----- W48CBS 120V 313255F Air Controls...

  • Page 8: Installation

    Installation Installation ti13112a . 1: Typical Installation (Your package may not include all items shown.) Key: Air Shutoff Valve (optional accessory) Air Filter (optional accessory) Air Line Moisture Trap and Drain Valve (optional accessory) Fluid Heater Back Pressure Regulator Fluid Filter Fluid Drain Valve Spray Gun Gun Swivel...

  • Page 9: General Information

    General Information Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing. Always use Genuine Graco Parts and Accessories, available from your Graco distributor. If you supply your own accessories, be sure they are adequately sized and pressure-rated for your system.

  • Page 10: Supplied Components

    Installation Supplied Components See F . 1. Components vary by package ordered. See tables on pages 6 to 7. Your package may include: • The red-handled bleed-type master air valve (U) is required in your system to relieve air trapped between it and the air motor and gun when the valve is closed.

  • Page 11: Grounding

    Grounding The equipment must be grounded. Grounding reduces the risk of static and electric shock by providing an escape wire for the electrical current due to static build up or in the event of a short circuit. 1. Pump: See F .
  • Page 12 Installation Electrical Housing Access Remove outer two heater8 bracket screws. Tilt the heater away from the pump for easier access to the screws on the cover of the electrical housing. Hose Connections See F . 1, page 8. 1. Attach one end of the air hose to the gun air regula- tor (T, G40 spray guns only).

  • Page 13: Operation

    Operation Pressure Relief Procedure 1. Engage the trigger lock. 2. See F . 1. Turn off the bleed-type master air valve (U). 3. Disengage the trigger lock. 4. Hold a metal part of the gun firmly to a grounded metal waste container. Trigger the gun to relieve fluid pressure.

  • Page 14: Wet Cup

    Operation Wet Cup Before starting, fill wet cup 1/3 full with Graco Throat Seal Liquid (TSL) or compatible solvent. . 5. Wet Cup Prime the Pump 1. See F . 1. Lock gun trigger. Remove tip guard and spray tip from gun (H). Refer to gun manual. 2.

  • Page 15: Adjust The Atomization

    Adjust the Atomization 1. Do not turn on atomizing air supply. Fluid pressure is controlled by the air pressure supplied to the pump (pump air regulator). Set fluid pressure at low starting pressure. For low viscosity fluids (less than 25 sec, #2 Zahn cup) with lower percent solids (typi- cally less than 40%), start at 300 psi (2.1 MPa, 21 bar) at pump outlet.

  • Page 16: Shutdown

    Operation 3. See F . 7. For narrower pattern, turn pattern adjustment valve knob (AA) counterclockwise (out). If pattern is still not narrow enough, increase air pressure to gun slightly or use different size tip. too little air correct no air amount of .

  • Page 17: Maintenance

    Maintenance Preventive Maintenance Schedule The operating conditions of your particular system determine how often maintenance is required. Establish a preventive maintenance schedule by recording when and what kind of maintenance is needed, and then determine a regular schedule for checking your system. Replace lens covers on regulator gauge lenses when dirt makes gauges difficult to read.

  • Page 18: Troubleshooting

    Troubleshooting Troubleshooting Relieve the pressure before checking or servicing the equipment. Problem Pump fails to operate. Pump operates, but output is low on both strokes. Pump operates, but output is low on downstroke. Erratic or accelerated pump speed. Fluid being pumped is visible in the TSL reservoir.

  • Page 19: Datatrak Controls And Indicators

    DataTrak Controls and Indicators Key for F AA Runaway Limit, in cycles per minute (user settable; 00=OFF) AB Lower Displacement (user settable) AC Flow Rate Units (user settable to [Imperial], oz/min [US], oz/min [Imperial], l/min, or cc/min) AD LED (fault indicator when lit) AE Display PF Prime/Flush Key (Enables Prime/Flush mode.

  • Page 20: Datatrak Operation

    DataTrak Operation DataTrak Operation NOTE: The display (AE) will turn off after 1 minute to save battery life. Press any key to wake up the display. NOTICE To prevent damage to the soft key buttons, do not press the buttons with sharp objects such as pens, plastic cards, or fingernails.
  • Page 21 Prime/Flush 1. See F . 8. To enter Prime/Flush mode, press any key to wake up the display, then press Prime/Flush symbol will appear in the display and the LED will flash 2. While in Prime/Flush mode, runaway protection is disabled and the batch totalizer (BT) will not count.
  • Page 22 DataTrak Operation Symbol Table 1:Diagnostic Codes Code Code Name Diagnosis Runaway Pump running faster (DataTrak only) than set runaway limit. Diving Up Leak during upstroke. Diving Down Leak during downstroke. Low Battery Battery voltage too low to stop runaway. Service Component Problem with stopping runaway.

  • Page 23: Replace Datatrak Battery Or Fuse

    Replace DataTrak Battery or Fuse The battery and fuse must be replaced in a non-hazardous location. Use only the following approved replacement batter- ies. Use of an unapproved battery will void Graco’s warranty and FM and Ex approvals. • Ultralife lithium # U9VL •...

  • Page 24: Parts

    Parts Parts NOTE: Parts vary by model. See Parts Lists on pages 26 to 28. 73 81 G48xxx Models G28xxx G30xxx Models (wall mount models) (cart mount models) ti13018a 313255F...
  • Page 25 313255F Non-Hazardous Location Electrical Cord Parts (120V Cart Mount Only) 50 51 ti13111a ti13114a Parts 78 (120V only) ti13261a G40 Gun Shown ti13143a...

  • Page 26: G28Xxx Models

    Parts G28xxx Models Ref. No. Part No. Description PUMP ASSEMBLY W28EAS M18LN0 x LW125A W28EBS M18LT0 x LW125A PANEL, air controls 24A583 Pump only (see page 31) 24A581 Pump and gun, see page 30 24A576 DATATRAK, assembly, see page 32 and manual 313541.

  • Page 27: G30Xxx Models

    G30xxx Models Ref. No. Part No. Description PUMP ASSEMBLY W30CAS M12LNO x LW075A W30CBS M12LT0 x LW075A PANEL, air controls (includes 3b, 42, and 24A583 Pump only, see page 31 24A581 Pump and gun, see page 30 24A576 DATATRAK, assembly, see page 32 and manual 313541 ----- INSERT, panel (included with Part 2)

  • Page 28: G48Wxx Models

    Parts G48Wxx Models Ref. No. Part No. Description PUMP ASSEMBLY W48CAS M18LNO x LW075A W48CBS M18LT0 x LW075A 24A581 PANEL, air controls, pump and gun (includes 3b, 42, and 43; see page 30) 24A576 DATATRAK, assembly, see page 32 and manual 313541 ----- INSERT, panel (included with Part 2)

  • Page 29: Kits

    Kits Wall Mount Kit 24A578 ti12633a Heated Cart Mount Kit 256427 313255F Description WALL PLATE, kit, includes screws SCREW (included with 101) NOTE: Mounting Arms Kit 24A372 (Part 49, see page 26 or 27) also is required for wall mounting a package that has a control panel.

  • Page 30: Pump And Gun Control Panel Kit

    Kits Pump and Gun Control Panel Kit Kit 24A581 Ref. Part Description 114362 VALVE, ball 15T643 SWIVEL, tee, 3/8 npt(m) x 1/2T ----- TUBE, 1/2 OD, cut to fit, order Tubing Kit 24D496 121212 ELBOW, swivel, 1/2T x 3/8 npt(m) 15T536 REGULATOR, air, pump, 3/8 npt 15T937 ELBOW, swivel, 5/32 T x 1/4 npt -----...

  • Page 31: Pump Only Control Panel Kit

    Pump Only Control Panel Kit Kit 24A583 Ref. Part Description 301 114362 VALVE, ball ----- TUBE, 1/2 OD, cut to fit, order Tubing Kit 24D496 304 121212 ELBOW, swivel, 1/2T x 3/8 npt(m) 305 15T536 REGULATOR, air, 3/8 npt 306 15T937 ELBOW, swivel, 5/32 T x 1/4 npt ----- TUBE, black, cut to fit, order Tubing Kit 24D496...

  • Page 32: Datatrak Kits

    Kits DataTrak Kits Kit 24A576 (with Runaway Protection) Ref. Part No. Description 24B563 DATATRAK, assembly (includes Part 3) 24B566 SOLENOID/REED SWITCH, kit ----- CLAMP, hose (not shown) Order kit 24A548 for pack- age of 10 404▲ 15V262 LABEL, warning (not shown) ----- Not sold separately.

  • Page 33: Wall Bracket Mounting Dimensions

    Wall Bracket Mounting Dimensions Four 0.40 in. (10 mm) mounting holes Technical Data Maximum fluid working pressure....See Models table on page 5. Maximum pump air inlet pressure ....100 psi (0.7 MPa, 7.0 bar) Maximum gun working pressure .

  • Page 34: Graco Standard Warranty

    Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

Merkur g30w82Merkur g28c18

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