Graco ToughTek M680a Operation - Repair - Parts
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Graco ToughTek M680a Operation - Repair - Parts

Graco ToughTek M680a Operation - Repair - Parts

Cs mortar sprayer
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Download this manual See also: Instruction Manual
Operation, Repair, Parts
ToughTek
Sprayer
Sprayer for water-based cementitious materials. Not for use with solvent-borne materials.
For professional use only.
600 psi (4.1 MPa, 41 bar) Maximum Fluid Working
Pressure
150 psi (1.0 MPa, 10 bar) Maximum Air Inlet Pressure
60 psi (0.41 MPa, 4.1 bar) Maximum Pump Air Regulator
Pressure
See page 2 for model information, including model
numbers and approvals.
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
®
M680a CS Mortar
3A5275B
EN
II 2 G
c IIA T5

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Summary of Contents for Graco ToughTek M680a

  • Page 1 Operation, Repair, Parts ® ToughTek M680a CS Mortar 3A5275B Sprayer Sprayer for water-based cementitious materials. Not for use with solvent-borne materials. For professional use only. 600 psi (4.1 MPa, 41 bar) Maximum Fluid Working Pressure 150 psi (1.0 MPa, 10 bar) Maximum Air Inlet Pressure 60 psi (0.41 MPa, 4.1 bar) Maximum Pump Air Regulator Pressure See page 2 for model information, including model...

  • Page 2: Table Of Contents

    Spray ....... . . 17 Graco Information ......36 Flush the Equipment .

  • Page 3: Spray Packages

    1/4 in. air quick disconnect, air pilot line connection, and Includes 25 ft of air hose with 1/4 in. quick disconnect air 3/4 npt air supply inlet. fittings and 25 ft of air pilot line. ti31706a . 2: Air Hose Bundle . 4: ToughTek M680a CS Mortar Sprayer 3A5275B...
  • Page 4 Models Applicators Flex Applicator The flex applicator is for use in low pressure spraying of materials that packout easily and will be finish-troweled. Includes 23 in. (58 cm) flexible hose with a 1 in. camlock fluid inlet, angled spray head, spray air volume control, spray air shut off valve, and motor pilot signal control valve;...

  • Page 5: Warnings

    Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation 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 or on warning labels, 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 6 Warnings 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.

  • Page 7: Changing Materials

    Warnings Changing Materials NOTICE Changing the material types used in your equipment requires special attention to avoid equipment damage and downtime. • When changing materials, flush the equipment multiple times to ensure it is thoroughly clean. • Always clean the internal pump components after flushing.

  • Page 8: Component Identification

    Component Identification Component Identification Overview . 8: Typical Installation Key: Grounding Wire, required (see Grounding, page Material Hopper Air Motor Needle Valve for Air Assist Flow Control Lower Air Supply Quick Disconnect to Applicator Air Cart System Air Inlet Inlet Quick Disconnect Air Inlet, 3/4 npt(f) Claw (Chicago) Fittings Fluid Outlet, 1.5 in.

  • Page 9: System Components

    Component Identification System Components Air Filter (D) Removes harmful dirt and water from compressed air NOTE: System requires use of an applicator with an air supply. pilot line and air pilot valve to operate. See Applicators, page 4 for compatible applicators. Air Regulator Adjustment Knob (F) *Required system components Adjusts air pressure to the motor and fluid outlet...

  • Page 10: Installation

    Installation Installation Grounding 2. Connect the other end of the ground wire to a true earth ground. 3. Ground the object being sprayed, fluid supply container, and all other equipment in the work area. Follow your local code. Use only electrically The equipment must be grounded to reduce the risk conductive air and fluid hoses.

  • Page 11: Setup

    Setup Setup Tools required: 9. Wrap blue velcro camlock retaining straps around each camlock connection to secure. • Two adjustable wrenches NOTE: This includes the two camlocks between the • Non-sparking hammer or plastic mallet hopper and the pump lower, the camlock at the pump outlet, the camlocks on the fluid hoses, and the camlock 1.

  • Page 12: Operation

    Operation Operation Pressure Relief Procedure 2. Set air pressure regulator knob (F) to zero pressure. 3. Hold applicator firmly against a grounded metal pail. Follow the Pressure Relief Procedure whenever you see this symbol. This equipment stays pressurized until pressure is manually relieved.

  • Page 13: Wet Out The System

    Operation Wet Out the System 3. Partially fill the clean hopper with material flushing agent, depending on the material you will be spraying. 4. Turn air regulator adjustment knob (F) counterclockwise until it stops and gauge (E) reads zero. NOTICE To prevent material curing in the system, never load material into a dry system.
  • Page 14 Operation 8. Open bleed type master air valve (B). 10. Continue running the pump until all of the flushing fluid is dispensed into the pail. The system is now wetted out. ti21632a ti21574a . 20 . 18 11. To stop dispensing, close the air motor pilot ball 9.

  • Page 15: Mix The Material

    Operation Mix the Material Prime with Material Always wet out the pump, hose, and applicator before loading the material. See Wet Out the System, page Always follow the material manufacturer’s instructions NOTICE for the material being sprayed. Mortar must be thoroughly mixed to a smooth consistency before To prevent material curing in the system, never load loading it in the hopper.
  • Page 16 Operation 6. Turn air regulator adjustment knob (F) NOTICE counterclockwise until it stops and gauge (E) reads To prevent damage to pump seals caused by cavita- zero. tion, run the pump slowly until the system is primed. 10. Rotate the air regulator adjustment knob (F) clockwise until pump begins to move slowly.

  • Page 17: Spray

    Operation 12. To stop dispensing, close the air motor pilot ball Spray valve (G). Prevent Packout To avoid material packout or interruption of material flow: • Use the lowest pressure and largest nozzle size that provides an acceptable spray pattern. This will also result in seals and wear parts lasting much longer.
  • Page 18 Operation 1. Wet Out the System, page 13. 7. Open the air motor pilot ball valve (G) located on base of applicator. See Component Identification, 2. Mix the Material, page 15. page 8. Material will begin dispensing. 3. Prime with Material, page 15. 8.

  • Page 19: Flush The Equipment

    Operation Flush the Equipment 1. Close the bleed type master air valve (B). To avoid fire and explosion, always ground equipment and waste container. To avoid static sparking and injury from splashing, always flush at the lowest pos- sible pressure. NOTICE Failure to flush prior to material beginning to cure in the system will result in damage to system and may...
  • Page 20 Operation 4. With air assist air flowing, open the air motor pilot 8. When water begins to exit the applicator outlet, ball valve (G) located on base of applicator. close the air motor pilot valve (G) located on base of the applicator to stop dispensing.
  • Page 21 Operation Place bucket under pressure relief ball valve (J). c. Use a screwdriver to lift the pump lower inlet Open valve to flush out any additional material. ball. This will drain the remaining material from Close valve. the pump lower. When the pump stops draining, release the pump lower inlet ball.

  • Page 22: Disassemble And Clean The Pump (Daily)

    Operation Disassemble and Clean the Pump (Daily) Suggested Tools • 5/8 in. box end wrench or 5/8 in. socket and ratchet • Rubber mallet (to break items loose, if necessary) . 36 3A5275B...
  • Page 23 Operation 1. Flush the system. See Flush the Equipment, page 19. Stop pump near bottom of its stroke. Inlet Elbow with Camlock Inlet Housing Clamp 2. Relieve pressure. See Pressure Relief Procedure, Inlet Housing Assembly page 12. Inlet Ball Pump Rod Assembly 3.
  • Page 24 Operation 9. Slide cylinder (BI) over rod (BF) with o-ring (BT) installed between outlet housing (BK) and cylinder (BI). NOTE: If the o-ring (BT) does not stay in place while assembling the cylinder (BI) to the housing (BK), the cart may need to be tipped upright to install properly. After clamp is installed, tip cart back to horizontal position to finish assembly.

  • Page 25: Shutdown

    Operation Shutdown 1. Flush the system. See Flush the Equipment, page 2. Relieve pressure. See Pressure Relief Procedure, page 12. NOTICE 3. Perform pump disassembly and cleaning procedure. To prevent rust, never leave water in pump for See Disassemble and Clean the Pump (Daily), extended storage periods.

  • Page 26: Maintenance

    Maintenance Maintenance Preventive Maintenance Corrosion Protection The operating conditions of your particular system NOTICE determine how often maintenance is required. Establish To prevent rust, never leave water in pump for a preventative maintenance schedule by recording when extended storage periods. and what kind of maintenance is needed, and then determine a regular schedule for checking your system.

  • Page 27: Troubleshooting

    Troubleshooting Troubleshooting 1. Follow Pressure Relief Procedure, page 12. 2. Check all possible problems, causes, and solutions listed below before disassembling pump. To help avoid serious injury from splashing fluid, never open a camlock hose or applicator fitting while there is pressure in the fluid line.
  • Page 28 Troubleshooting Problem Cause Solution Cannot open or close air motor pilot Dirty air clogged the air motor pilot Install new air motor pilot ball valve. ball valve (G) on applicator ball valve If no ball valve is immediately avail- able, bypass the air motor pilot valve so air is always supplied to air motor, regardless of applicator pilot valve position.

  • Page 29: Repair

    Repair Repair 8. Connect the pump rod. See F . 40. 9. Connect small air tubes to air motor. To help avoid serious injury from splashing fluid, Replace Pump Lower never open a camlock hose or applicator fitting while there is pressure in the fluid line. See Pressure Perform this procedure to replace the entire pump lower Relief Procedure, page 12.

  • Page 30: Parts

    Parts Parts ToughTek M680a CS Systems Apply pipe sealant to all non-swiveling pipe Torque to 145-155 ft-lb (197-210 N•M). threads. Apply clear liquid petrolatum to axles (1) before Apply medium strength thread-locking fluid to assembling wheels (2). threads. Torque to 50-60 ft-lb (68-81 N•m).
  • Page 31 Parts Part No./Description Ref. Part Description Qty. 197340 COVER, coupler Ref. Part Description Qty. 244820 CLIP, hairpin with lanyard 262914 CART 262908 WIRE, ground with clamp 116406 WHEEL 111799 SCREW, cap, hex head 113436 RING, retaining 16V671 GUARD, spring ----- MODULE, air controls;...

  • Page 32: Pump Lower (25C964)

    Parts Pump Lower (25C964) Ref. Part Description Qty. 17G456 CLAMP, double-bolted, 4 in. 16U796 HOUSING, inlet 17K490 STOP, ball, with pins 16U798 CYLINDER, pump 16U799 VALVE, piston 16U800 HOLDER, valve piston 16U801 STOP, upper ball 16V143 HOUSING, inlet, 2 in. cam and groove 17G220 HOUSING, outlet 16U804 ROD, displacement...

  • Page 33: Air Controls

    Parts Air Controls ti22050a Apply pipe sealant to all non-swiveling pipe threads. Assemble one end of lanyard between ball valve (207) and fitting (208). One end hangs loose. Part Description Part Description 101950 SCREW, socket head cap, 1.4 x 2.5 262658 FILTER, air, 40 micron 158491 FITTING, nipple 115942 NUT, hex, flange head...

  • Page 34: Hose Bundle Repair Parts

    Parts Hose Bundle Repair Parts Included in sprayer packages. † Parts included in fluid hose bundle 27A004 Part Description Qty. (purchase separately). 300† 128474 FITTING, 1.5 camlock M x 1.5 npt F 301† ----- HOSE, fluid ‡ Parts included in air hose bundle 24T852 (purchase 302†...

  • Page 35: Technical Specifications

    Technical Specifications Technical Specifications ToughTek M680a CS Mortar Sprayer Metric Maximum Fluid Working Pressure 600 psi 4.1 MPa, 41bar Maximum Air Inlet Pressure 100 psi 0.41 MPa, 4.1 bar 30 standard cubic feet per 0.85 cubic meters per minute Minimum Inlet Air Flow (Typical) minute 8 scfm per gallon at 100 psi 0.06 cubic meters per minute...

  • Page 36: 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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