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3A5202G

EN

Operation

ToughTek

®

 CM20 

Continuous Mixers

Electric continuous mixer for water-based cementitous materials. For professional use only.

Not approved for use in explosive atmospheres or hazardous locations.

100 psi (0.69 MPa, 6.9 bar) Maximum Water Inlet Pressure

See page 2 for model information and approvals.

Important Safety Instructions

Read all warnings and instructions in this 
manual. Save these instructions. 

WLD

Summary of Contents for 25M081

Page 1: ...erials For professional use only Not approved for use in explosive atmospheres or hazardous locations 100 psi 0 69 MPa 6 9 bar Maximum Water Inlet Pressure See page 2 for model information and approvals Important Safety Instructions Read all warnings and instructions in this manual Save these instructions WL D ...

Page 2: ...5M530 120 Volt Series B 19 25M530 120 Volt Series A 19 25M563 230 Volt 20 Mixing Shaft Factory Configuration 21 Parts 22 Mixer Assembly 22 Mixing Shaft Assembly 17T457 25 Water Control Assembly 26 120 V Control Box Assembly 17T351 28 Dimensions 29 Technical Specifications 31 California Proposition 65 31 Graco Standard Warranty 32 Graco Information 32 Models Related Manuals Accessories Model Voltag...

Page 3: ...ING 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 Before checking moving or servicing equipment relieve pressure and disconnect all power sources ELECTRIC SHOCK HAZARD This equipment must be grounded Improper grounding setup or usage of the system can cause electri...

Page 4: ...formation Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations PRESSURIZED EQUIPMENT HAZARD Fluid from the equipment leaks or ruptured components can splash in the eyes or on skin and cause serious injury Relie...

Page 5: ...embly CA Motor alignment pin CAA Motor alignment pin clip CAB Motor alignment pin washer CB Motor power cable CD Grease fitting D Water control assembly see detail view for components E Electrical Box EA On Off switch EB Circuit breaker reset F Mix head assembly see detail view for components FF Discharge nozzle G 2 Hopper ring pins H Hopper grate and bag breaker HH Grate retaining screw Ref Descr...

Page 6: ...haft FBB Mixing shaft pins FC Throat insert FCC Water dosing port FD Material dosing auger shaft WL D 6 Ref Description DA Water accessory fitting DB Water accessory shut off ball valve DC Water supply inlet DCC Inlet screen DD Water pressure regulator DE Water control solenoid DF Water metering valve DG Twist claw outlet fitting hose ti31358a 230V ...

Page 7: ...ecure mixing tube toggle latches FAA 6 Lift the motor assembly C so that it connects to the material dosing auger shaft FD Immediately secure the motor to the hopper with the motor alignment pin CA Ensure the pin has slid completely into place Slide motor alignment pin washer CAB over the end of the alignment pin CA Secure alignment pin with motor alignment pin clip CAA 7 Engage the rear toggle la...

Page 8: ...motor alignment pin CA must be installed and secured with a motor alignment pin washer CAB and motor alignment pin clip CAA 4 Verify that switch EA is in the off position then connect the motor power cable CB 5 Verify that both mix tube toggle latches FAA on mixing tube FA are latched with their locking tabs engaged During setup the cart could collapse and crush fingers and other body parts To avo...

Page 9: ...ween 30 100 psi The water pressure regulator DD has been preset to 30 psi and does not usually require adjustment NOTE The water pressure regulator DD reduces the supply pressure to a constant value so that the water metering valve DF does not need to be adjusted due to fluctuations in supply pressure The water pressure regulator DD must be set below the minimum pressure expected from the water su...

Page 10: ...s in the OFF position Plug the power cord PC to the electrical box E Grounding The system is grounded through the power cord PC Power Supply Requirements Model Voltage Circuit Protection 25M530 110 120 V 15 A Circuit Breaker 25M563 220 230 V 16 A Circuit Breaker Minimal Power Cord Wire Gauge Length ft Wire Gauge AWG 25 16 50 12 100 10 WL D PC E E EA The equipment must be grounded to reduce the ris...

Page 11: ...ring valve DF until the material is the correct consistency NOTE It takes time for the mixed material to travel through the tube Avoid making over adjustments Make small adjustments and wait 10 15 seconds to allow the material to travel through the tube before making another adjustment 5 If desired pause the output during operation by starting and stopping the unit using the On Off switch EA To he...

Page 12: ...ixing shaft are clean 10 Clean the face of the throat insert FC 11 Clean out water dosing port FCC Avoid contact with the discharge nozzle FF mix shaft FB and material dosing auger shaft FD during shut down These parts can pull in crush cut or amputate fingers and other body parts NOTICE To prevent damage to the water control assembly D drain water from unit if it is to be stored for extended peri...

Page 13: ... the mixing tube assembly onto the throat insert Ensure the pins FBB on the mixing shaft FB line up with the slots in the material dosing shaft FD NOTE Hopper lid accessory 17T019 can be used to keep excess material in hopper dry WL D ...

Page 14: ...the throat insert Ensure the pins FBB on the mixing shaft FB line up with the slots in the material dosing shaft FD Avoid contact with the discharge nozzle FF mix shaft FB and material dosing auger shaft FD during preparation for changing material or storing equipment These parts can pull in crush cut or amputate fingers and other body parts Do not use pressurized water jets to clean electrical bo...

Page 15: ...pin washer CAB and the motor alignment pin CA Set the motor aside 4 Disengage both mixing tube toggle latches FAA and remove the mix head assembly F 5 Remove hopper ring pins G 6 Remove mixer Lift the mixer off of the stand 7 If desired fold the cart stand for storage convenience a Remove frame pins BA b Flip the cart stand upside down and lay on a level surface c Align cart stand legs and fold to...

Page 16: ...ches grating fasteners housings and enclosures are installed and in good working order functioning properly and free of excessive wear cracks or corrosion Before every use Ensure all electrical components cabling and motor are properly assembled so that they are sealed from water ingress free of debris and in good working order Ensure all warning labels are clean and easily readable Grease Frequen...

Page 17: ...FCI circuit is in use and has tripped If a GFCI circuit has tripped connect to an outlet with a different GFCI model NOTE Certain 120 V GFCI outlets have been known to trip while using this product GFCI outlets have a range of sensitivities Motor controllers can cause false trips of GFCI outlets The circuit breaker has tripped Reset circuit breaker switch EB Main power has turned off Check all cor...

Page 18: ...ssible The material dosing auger shaft FD is dirty or worn and needs to be cleaned or replaced There is a debris in the water control assembly D Verify the water inlet screen DCC is in place and that it is clean Disassemble the water assembly and clean any debris Clean debris from water dosing port FCC Water does not turn on low flow or water does not turn off Solenoid damaged or clogged with debr...

Page 19: ...Schematics 3A5202G 19 Schematics 25M530 120 Volt Series B 25M530 120 Volt Series A ...

Page 20: ...Schematics 20 3A5202G 25M563 230 Volt ...

Page 21: ...most materials it is recommended to reduce starting torque by positioning the pointed ends of the mixing elements so that they are on the leading edge However for very thin materials positioning some or all of the mixing elements so that the blunt ends are on the leading edge may improve the mix quality The mix shaft retainer has a left handed thread to ensure it does not disassemble during operat...

Page 22: ...Parts 22 3A5202G Parts Mixer Assembly WL D F G D E D 25M530 Series A D 25M563 25M530 25M530 Series B and 25M563 44 ...

Page 23: ... 12 17T349 KIT capacitor 80 μf stud run 120 V system 1 1 17T505 KIT capacitor 50 μf stud run 230 V system 1 1 13 17T342 KIT collar mounting mix head 1 1 1 1 14 17T443 KIT insert throat dosing zone 1 1 1 1 15 17T330 KIT plate clamp collar 2 2 2 2 16 17T441 KIT grate hopper 1 1 1 1 16a 17T327 KIT fastener captured 1 1 1 1 17 17T352 KIT capacitor 216 μf start 120 V system 1 1 18 17T504 KIT capacitor ...

Page 24: ...r vfd mounted 1 39 KIT set screw m8 x 1 25 x 10 mm 1 1 1 1 40 17T367 KIT motor 120 V 60 Hz mounted 1 1 17T507 KIT motor 230 V 50 Hz mounted 1 1 41 17T345 KIT coupler motor 1 1 1 42 17T339 KIT flange ring motor mount 1 1 1 43 17T368 KIT cover motor fan 150 mm 1 1 1 17T512 KIT cover motor fan 170 mm 1 1 44 WASHER flat 15 mm 1 1 1 1 Replacement Danger and Warning labels tags and cards are available a...

Page 25: ...ong 1 1 1 1 201b 17T465 KIT pin roll 6 mm x 45 mm long 1 1 1 1 203 17T461 KIT element mix wing inlet 1 1 1 1 204 17T466 KIT element mixing wing 1 8 8 8 205 17T463 KIT element mix wing outlet 1 1 1 1 206 17T462 KIT retainer mix shaft M12 left handed 1 1 1 1 The mix shaft retainer has a left handed thread to ensure it does not disassemble during operation To loosen retainer rotate clockwise WL D D E...

Page 26: ...t wc assembly right 1 1 1 1 312 17T450 KIT regulator pressure 1 1 1 1 313 17T353 KIT solenoid valve 120 V 1 1 1 17T510 KIT solenoid valve 230 v 1 1 313b 17T357 KIT coil solenoid valve 120 v 1 1 1 17T511 KIT coil solenoid valve 230 v 1 1 314 17T338 KIT fitting reducer 3 4 to 1 2 pipe 1 1 1 1 315 17T452 KIT valve needle 1 1 1 1 315a 17T469 KIT handle needle valve 1 1 1 1 316 17T453 KIT fitting Geka ...

Page 27: ... 1 1 320c 17T329 KIT fitting barb male 1 1 1 1 320d 17T328 KIT fitting barb female 1 1 1 1 321 17T356 KIT screen filter Geka 1 1 324 17T336 KIT bracket wc assembly left 1 1 1 1 Ref Part Description Qty 120V 230V 25M530 25M563 Series A Current Current ...

Page 28: ...1 402 17T362 KIT boot toggle switch 1 1 1 403 17T425 KIT switch toggle 1 1 1 405 16T764 LABEL warning shock 1 1 1 406 17T365 KIT label on off 1 1 1 407 17T423 KIT boot breaker switch 1 1 1 408 17T363 KIT circuit breaker 15 A 1 pole 1 1 1 409 17T360 KIT socket power inlet 15 A 1 1 1 Replacement Danger and Warning labels tags and cards are available at no cost WL D ...

Page 29: ...Dimensions 3A5202G 29 Dimensions g CM20 Dimensions U S Metric A 67 0 in 170 cm B 26 5 in 67 cm C 42 5 in 108 cm D 22 75 in 58 cm E 27 50 in 70 cm WL D A B C E D ...

Page 30: ...Dimensions 30 3A5202G ...

Page 31: ...80 lb bags typical 45 liters Material Construction Wetted Components Brass rubber plastic plated steel aluminum Weight empty CM20 200 lb 25M530 220 lb 25M563 91 kg 25M30 100 kg 25M563 Noise dBa Maximum sound pressure level less than 75 db A A rating emission Inlet Outlet Sizes Fluid inlet size 3 4 in garden hose thread female swivel 25M530 Geka twist claw irrigation fitting 25M563 Fluid outlet siz...

Page 32: ...n material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warr...

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