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Operation
ToughTek
Continuous Mixers
Electric continuous mixer for water-based cementitous materials. For professional use only.
Not approved for use in explosive atmospheres or hazardous locations.
Models 25M530
70 psi (0.48 MPa, 4.8 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
®
CM20
3A5202A
EN
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Related Manuals for Graco ToughTek CM20
Summary of Contents for Graco ToughTek CM20
- Page 1 Operation ® ToughTek CM20 3A5202A Continuous Mixers Electric continuous mixer for water-based cementitous materials. For professional use only. Not approved for use in explosive atmospheres or hazardous locations. Models 25M530 70 psi (0.48 MPa, 4.8 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual.
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Page 2: Table Of Contents
Grounding ......8 Graco Standard Warranty ....20... -
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 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 4 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 component.
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Page 5: Component Identification
Component Identification Component Identification CM20 Ref. Description Hopper Cart stand Motor with gearbox Water control assembly (see detail view for components) On/Off switch Electrical Box Mix-head assembly (see detail view for components) Discharge nozzle Hopper grate and bag breaker Grate retaining screw Motor alignment pin 1 Motor alignment pin Hopper ring-pin... -
Page 6: Mix-Head Assembly
Component Identification Mix-head Assembly Ref. Description Mixing tube Mixing tube toggle latches Mixing shaft Mixing head flange Water dosing port Material dosing auger shaft Water Control Assembly Ref. Description Water accessory fitting Water accessory shut-off ball valve Water supply inlet Inlet screen Water pressure regulator Water control solenoid... -
Page 7: Setup
Setup Setup Prepare Unit for Operation 4. Verify that switch (E) is in the off position, then con- nect the motor power cable (CA). During setup, the cart could collapse and crush fin- gers and other body parts. To avoid possible injury, make sure all clips and pins are in place and always complete steps 1 and 2 before setup begins. -
Page 8: Water Connections
Setup Water Connections Electrical Components 1. Close the water accessory shut-off ball valve (U). Power Supply Requirement 110-120 V 15A Circuit Protection Minimal Power Cord Wire Gauge Length (FT) Wire Gauge (AWG) 1. Plug the power cord (PC) to the electrical box (EB). 2. -
Page 9: Operation
Operation Operation 5. Adjust the water metering valve (Y) until the material is the correct consistency. To help prevent injury from moving parts, do not operate with the grate (H) removed. 1. Complete Setup, page 7. 2. Verify that switch (E) is in the OFF position, then plug in power cord (PC). -
Page 10: Shutdown
Operation Shutdown Clean Out 1. Let the hopper run out of dry material. 2. Turn the unit off by flipping the switch to the Off position. Avoid contact with the discharge nozzle (G) and feed liner during clean out. These parts can pull in, crush, cut or amputate fingers and other body parts. -
Page 11: Remove Mixer From Stand
Operation 8. Apply grease to the motor grease fitting (ZA) at least Remove Mixer from Stand once per week. 1. Follow the Shutdown procedure on page 10, then perform the Clean Out procedure on page 10. 2. Make sure both frame pins (M) are in place, then remove hopper ring pin (K). -
Page 12: Troubleshooting
Troubleshooting Troubleshooting 1. Follow Shutdown, page 10, before checking or repairing mixer. Problem Cause Solution Poor mix quality Mixing Shaft Configuration, can sig- Reconfigure mix shaft. nificantly affect mix quality. Excessive wear on mix tube end The Mixing Shaft Bushing needs to Replace mixing shaft bushing. - Page 13 Incorrect solenoid installed. The solenoid must be “normally closed” type. Use on genuine Graco replacement parts. There is a debris in the water circuit. Verify the water inlet screen (VA) is in place and that it is clean. Disassemble the water assembly Clean debris from water dosing port (R).
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Page 14: Spare Parts
Spare Parts Spare Parts ▲ Replacement warning labels (17M606 and 16T764 - not shown) are available at not cost. Part Description Part Description 17S775 17S808 KIT, grate, hopper KIT, bushing, bearing, shaft, mix 17S777 17S809 KIT, cover, tube, mixing KIT, 16 A 6 pole, insert, socket 17S767 17S778 KIT, mixing tube... - Page 15 Spare Parts Part Description Part Description 17S789 17S796 KIT, lynch pin, ring pin KIT, knob, valve, needle 17S790 17S798 KIT, pneumatic, wheel KIT, claw, twist, Geka, 3/4 in. 17S791 17S799 KIT, inner tube, wheel KIT, seal, twist claw, Geka 17S792 17S800 KIT, wing handle, 1/2 ball valve KIT, coupling, Geka, 1/2 in.
- Page 16 Spare Parts Part Description 17S803 KIT, pin, roll, dia. 10 X 45 17S804 KIT, wing, mixing, element, inlet 17S805 KIT, wing, mixing 17S806 KIT, wing, mixing, outlet 17S807 KIT, pin, bearing 3A5202A...
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Page 17: Dimensions
Dimensions Dimensions CM20 Dimensions U.S. Metric 67.0 in. 170 cm 26.5 in. 67 cm 42.5 in. 108 cm 3A5202A... -
Page 18: Technical Specifications
Technical Specifications Technical Specifications ToughTek CM20 Continuous Mixers Metric Maximum fluid working pressure 70 psi 0.48 MPa, 4.8 bar Maximum Motor Speed 300 rpm Output *40 bags per hour Water Inlet Feed Pressure Requirements Minimum Pressure *20 psi *0.15 MPa, 1.5 bar... -
Page 19: Notes
Notes Notes 3A5202A... -
Page 20: 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.