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Instructions-Parts
Merkur
Pump Assembly
For pumping isocyanates, UV coatings, and other moisture-sensitive materials. For
professional use only.
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
See page 7 for model information, including maximum
working pressure.
™
Bellows
312795K
EN
ti15361a
II 2 G Ex h IIB T6 Gb
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Table of Contents
Related Manuals for Graco Merkur A Series
Summary of Contents for Graco Merkur A Series
- Page 1 Instructions-Parts ™ Merkur Bellows Pump Assembly 312795K For pumping isocyanates, UV coatings, and other moisture-sensitive materials. For professional use only. Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. See page 7 for model information, including maximum working pressure.
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Page 2: Table Of Contents
Flush the Pump Before First Use ... 14 Graco Standard Warranty ....32 Trigger Lock . -
Page 3: Warnings
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 symbols refer to procedure-specific risks. When these symbols appear in the body of this manual, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable. - Page 4 Warnings WARNING WARNING WARNING WARNING 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 com- ponent.
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Page 5: Important Two-Component Material Information
Important Two-Component Material Information Important Two-Component Material Information Isocyanate Conditions Moisture Sensitivity of Isocyanates Isocyanates (ISO) are catalysts used in two component coatings. ISO will react with moisture (such as humidity) Spraying or dispensing materials containing isocya- to form small, hard, abrasive crystals, which become nates creates potentially harmful mists, vapors, and suspended in the fluid. -
Page 6: Models
Models Models Check your pump’s identification marking (ID) for the 6-digit part number. Use the following matrix to define the construction of your pump, based on the six digits. For example, pump Part No. B05FA0 represents a 5 to 1 ratio, 150 cc pump, with no DataTrak, a low noise exhaust, and v-packings To order replacement parts, see Parts section starting on page 20. -
Page 7: Pump Data
Pump Data Pump Data Maximum Fluid Flow Rate Displacement Working Pressure at 60 cpm Fluid Model, Series Motor Pump psi (MPa, bar) gpm (lpm) Fluid Inlet Outlet Air Inlet B05FA0, Series A M04LN0 LB150A B05FB0, Series A M04LT0 500 (3.4, 34) 2.4 (9.0) 1 in. -
Page 8: Component Identification
Component Identification Component Identification ti15361a . 1. Component Identification Key: Air Motor Ground Wire Coupler Shield Coupling Nut Connecting Rod Coupling Collar Tie Rod Packing Nut Fluid Inlet Pump Adapter Bellows Chamber Jam Nut Fluid Outlet Cylinder Foot Cap 312795K... -
Page 9: Installation
. 2 and F . 3 are only guides for selecting and installing system components and accessories. Contact your Graco distributor for assistance in designing a sys- NOTE: Reference numbers and letters in parentheses tem to suit your particular needs. -
Page 10: Prepare The Site
Installation Prepare the Site Keep the site clear of any obstacles or debris that could interfere with the operator's movement. Ensure that you have an adequate compressed air Have a grounded, metal pail available for use when supply. flushing the system. Bring a compressed air supply line from the air com- pressor to the pump location. -
Page 11: Grounding
Mount the pump directly to the wall (order Wall Mounting static build up or in the event of a short circuit. Kit, page 22) or to a Graco cart (order Cart Mounting Kit 24E879). Pump dimensions are shown on page 27. -
Page 12: Accessories
Installation Accessories • Air line filter (B): removes harmful dirt and mois- ture from compressed air supply. Install the following accessories in the order shown in • Air shutoff valve (A): isolates air line accessories . 2 or F . 3, using adapters as necessary. for servicing. -
Page 13: Operation
Operation Operation Pressure Relief Procedure Flush the Pump Before First Use The pump is tested with lightweight oil, which is left in to protect the pump parts. If the fluid you are using may be contaminated by the oil, flush it out with a compatible Trapped air can cause the pump to cycle unexpect- solvent. -
Page 14: Prime And Adjust The Pump
Operation Prime and Adjust the Pump 9. In a direct supply system, with the pump and lines primed, and with adequate air pressure and volume supplied, the pump will start and stop as the NOTICE gun/valve is opened and closed. The maximum fluid inlet pressure is 15 psi (0.1 MPa, 10. -
Page 15: Maintenance
Maintenance Maintenance 3. Place siphon tube in grounded metal pail containing cleaning fluid. 4. Set pump to lowest possible fluid pressure, and start Preventive Maintenance pump. Schedule 5. Hold a metal part of the gun firmly to a grounded metal pail. The operating conditions of your particular system determine how often maintenance is required. -
Page 16: Troubleshooting
Troubleshooting Troubleshooting NOTE: Check all possible problems and causes before disassembling the pump. Relieve the pressure, page 13, before checking or servicing the equipment. Problem Cause Solution Pump output low on both strokes. Restricted air supply lines. Clear any obstructions; be sure all shutoff valves are open;... -
Page 17: Repair
Always use Genuine Graco Parts and Accessories, lift the entire pump up and out from the mounting available from your Graco distributor. If you supply plate. Place it on a work bench. your own accessories, be sure they are adequately sized and pressure rated for your system. - Page 18 Repair 5. Push up the motor shaft. Remove the coupling nut (7). 6. Use a socket to remove the tie rod nuts (4). 7. Use a socket to remove the bottom two mounting screws. 8. Carefully remove the displacement pump, with the pump adapter attached.
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Page 19: Reconnect The Pump
Repair Reconnect the Air Motor Reconnect the Displacement Pump 1. Screw the tie rods (3) into the bottom cover of the 1. Align the straight edge of the pump adapter with the air motor. Torque to 50-55 ft-lb (68-75 N•m). back of the air motor. -
Page 20: Parts
Parts Parts Torque to 50-55 ft-lb Torque to 50-60 ft-lb Torque to 75-80 ft-lb M04xxx air motors only; counterbore end faces ti15367a 312795K... -
Page 21: Parts That Vary By Model
Parts Parts That Vary by Model Part No./Description Ref. Motor Part No. Description Piston Displacement Motor Diam. Adapter See Table DISPLACEMENT PUMP, see Model Pump (1) (in.) manual 312793 for parts See Table MOTOR, see manual 312796 for B05FA0 M04LN0 parts LB150A B05FB0... -
Page 22: Repair Kits
Repair Kits Repair Kits LB050A and LB050B LB100A and LB100B LB150A and LB150B 3.5 in. 4.5 in. 4.5 in. 6.0 in. 7.5 in. 3.5 in. 6.0 in. 7.5 in Kit Description motor motor motor motor motor motor motor motor Coupling Collars (5) 24A619 24A619 24A619... -
Page 23: Performance Charts
Performance Charts Performance Charts Model B05Fxx 5:1 Ratio, 150cc/cycle Cycles per Minute (0.4 (3.5, 35) (0.34) (2.8, 28) (0.28) (2.1, 21) (0.23) (0.17) (1.4, 14) (0.11) (0.7, 7) (0.06) (1.9) (3.8) (5.7) (7.6) (9.5) Fluid Flow gpm (lpm) tested in No. 10 weight oil = 100 psi (0.7 MPa, 7 bar) = 70 psi (0.5 MPa, 5 bar) Model B12Dxx... - Page 24 Performance Charts Model B15Bxx Cycles per Minute 15:1 Ratio, 50cc/cycle 16 (0.45) 1600 (11.0, 110) 14 (0.40) 1200 12 (0.34) (8.3, 83) 10 (0.28) 8 (0.23) (5.5, 55) 6 (0.17) 4 (0.11) (2.8, 28) 2 (0.06) (0.8) (1.5) (2.3) (3.0) Fluid Flow gpm (lpm) tested in No.
- Page 25 Performance Charts Model B23Dxx 23:1 Ratio, 100 cc/cycle Cycles per Minute 2500 (17.2, 172) (1.13) 2000 (13.8, 138) (0.85) 1500 (10.3, 103) 1000 (0.57) (6.9, 69) (0.28) (3.4, 34) (0.8) (2.3) (3.8) (5.3) (6.8) Fluid Flow gpm (lpm) tested in No. 10 weight oil = 100 psi (0.7 MPa, 7 bar) = 70 psi (0.5 MPa, 5 bar) = 40 psi (0.3 MPa, 3 bar)
- Page 26 Performance Charts Model B25Bxx Cycles per Minute 25:1 Ratio, 50 cc/cycle 3000 (0.71) (20.7, 207) 2500 (17.2, 172) (0.57) 2000 (13.8, 138) (0.42) 1500 (10.3, 103) (0.28) 1000 (6.9, 69) (0.14) (3.4, 34) (0.8) (3.0) (1.5) (2.3) Fluid Flow gpm (lpm) tested in No. 10 weight oil = 100 psi (0.7 MPa, 7 bar) = 70 psi (0.5 MPa, 5 bar) = 40 psi (0.3 MPa, 3 bar)
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Page 27: Pump Dimensions
Pump Dimensions Pump Dimensions ti15391a ti15368a Pump Weight Model in. (mm) in. (mm) in. (mm) in. (mm) in. (mm) lb (kg) B05FAx 57 (25) 33 (838) 6.9 (175) 5.8 (147) 9.7 (246) 35 (888) B05FBx 58 (26) B12DAx 63 (28) 33.5 (851) 6.9 (175) 10.8 (274) -
Page 28: Wall Bracket Mounting Dimensions
Wall Bracket Mounting Dimensions Wall Bracket Mounting Dimensions 6.9 in. (175 mm) 2.167 in. (55 mm) 8.5 in. (216 17.0 in. (432 mm) 6 x 0.400 in. (10 mm) ti15369a Technical Data Maximum fluid working pressure ....See Pump Data, page 7. Maximum fluid inlet pressure . -
Page 29: California Proposition 65
California Proposition 65 California Proposition 65 CALIFORNIA RESIDENTS WARNING: Cancer and reproductive harm – www.P65warnings.ca.gov. 312795K... -
Page 30: Graco Standard Warranty
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.
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