BETCO CREWMAN AS20B Operator's Manual

BETCO CREWMAN AS20B Operator's Manual

20” automatic scrubber with brush assist
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E83025-00
E29937-00
E29936-00
CREWMAN
AS20B
20" Automatic Scrubber
with Brush Assist
Operator Manual
1001 Brown Avenue • Toledo, Ohio 43607-0127
Customer Service: 888-GO-BETCO • Fax: 800-445-5056 • Technical Service: 877-856-5954 • www.betco.com
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  • Page 1 E83025-00 E29937-00 E29936-00 CREWMAN AS20B 20” Automatic Scrubber ™ with Brush Assist Operator Manual 1001 Brown Avenue • Toledo, Ohio 43607-0127 Customer Service: 888-GO-BETCO • Fax: 800-445-5056 • Technical Service: 877-856-5954 • www.betco.com...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS RECEIVING THE MACHINE..........3 TECHNICAL SPECIFICATIONS ........4 GENERAL SAFETY REGULATIONS ......... 5 MACHINE PREPARATION ........6 - 10 OPERATION ............11 - 12 TURNING OFF THE MACHINE ........13 DAILY MAINTENANCE ...........14 - 15 WEEKLY MAINTENANCE ..........16 TROUBLESHOOTING ...........
  • Page 3: Receiving The Machine

    RECEIVING THE MACHINE Immediately check, when receiving the machine, that all the materials indicated on delivery documents have been received and also that the machine has not been damaged in transit. If it has been damaged, this damage must be immediately reported to the shipper and also to our customer’s service department.
  • Page 4 TECHNICAL DESCRIPTION Measurement Unit Crewman AS20B ™ Working width In (mm) 20 (508) Rear squeegee width In (mm) 26 (660) Work capacity ft2/h (m2/h) 18,500 (1720) Brush & Pad (diameter) in (mm) 20 (500) Brush RPM Brush pressure lb. (Kg) 50 (22) Brush motor V / HP (V / W)
  • Page 5: General Safety Regulations

    • Before using the machine make sure that all doors and covers are positioned as shown in this operating and maintenance manual. • When your BETCO machine is ready to be retired, the machine must be disposed of properly. It contain oils and electronic components. The machine was built using totally recyclable materials.
  • Page 6: Machine Preparation

    MACHINE PREPARATION 1. HANDLING THE PACKED MACHINE Do not place more than two packages on top of each other. The total weight is 220 lb. (100 kg). The overall dimensions of the package are: A : 50 in (1260 mm) B : 26 in (660 mm) C : 48.4 in (1230 mm) 2.
  • Page 7 MACHINE PREPARATION 3. BATTERY INSTALLATION The machine will be supplied with a battery charger and either two 12V Wet or AGM batteries. The batteries must be housed in the battery tray in the battery compartment beneath the recovery tank. To insert the batteries you must: A.
  • Page 8 MACHINE PREPARATION 5. BATTERY CHARGE LEVEL GAUGE The batteries’ indicator is digital with 4 fixed positions and a blinking one. The numbers, which appear on the display, show the approximate charge level. 4 = maximum charge, 3 = charge 3/4, 2 = charge 2/4, 1 = charge 1/4, 0 = (blinking) discharged batteries) WARNING! Some seconds after that “0”...
  • Page 9 MACHINE PREPARATION 9. RECOVERY TANK Open the cover and check if the suction plug (2) is insert correctly and its notches are locked turning the plug clockwise and is well connected with the hose which leads to the suction motor. Furthermore check, that the squeegee hose (1) is well connected and that the exhaust plug at the back of the machine is closed.
  • Page 10 MACHINE PREPARATION 12. BRUSH ASSEMBLY A. Push the pedal in order to lift the brush base. B. With lifted brush base try to bring the brushes in the right position corre- sponding to the center of the machine. C. Let the brush base down by releasing on the pedal. D.
  • Page 11: Operation

    OPERATION 1. MACHINE OPERATION A. Connect the battery cable (1). B. Press the brush switch (2). C. Press the suction switch (3). D. Use the solution knob (4) to adjust the detergent solution quantity: it should be enough to regularly wet the floor but not as much as to flow out the splashguard.
  • Page 12 OPERATION 2. OVERFLOW DEVICE The machine is supplied with float that trips whenever the recovery tank is full, closing the suction tube. In this case you should empty the recovery tank by removing the outlet pipe cap. ATTENTION! Always wear gloves during this procedure, to avoid any contact with dangerous substances.
  • Page 13: Shutting Down The Machine

    SHUTTING DOWN THE MACHINE At the end of the work, and before performing any type of maintenance: 1. Close the solution valve(1). 2. Raise deck by pressing on foot pedal. 3. Raise squeegee lever (2). 4. Turn off the brush switch (3). 5.
  • Page 14: Daily Maintenance

    DAILY MAINTENANCE 1. RECOVERY TANK CLEANING A. Hold the recovery tank outlet hose. B. Remove the outlet cap and empty the tank. ATTENTION! Always wear gloves during this procedure, to avoid any contact with dangerous substances. C. Lift the recovery tank lid. D.
  • Page 15 DAILY MAINTENANCE 4. BRUSHES DISASSEMBLY A. Lift the brush base through the pedal (push down). B. With brush base in lifted position operate the operator control lever, and the brush will unhook automatically. 5. CLEANING SOLUTION FILTER A. Take off the filter on the solution tank. B.
  • Page 16: Weekly Maintenance

    WEEKLY MAINTENANCE 1. CLEANING SQUEEGEE HOSE Weekly, or whenever the suction in insufficient, it is necessary to check that the squeegee hose is not obstructed. Should it be the case, proceed as follows to clean it: A. Unthread the hose from the squeegee sleeve. B.
  • Page 17: Troubleshooting

    TROUBLESHOOTING GUIDE INSUFFICIENT WATER TO THE BRUSHES 1. Check that the solution valve (1) is open. 2. Check that there is water in the solution tank. THE MACHINE DOES NOT CLEAN PROPERLY 1. Check the brush wear and replace them if necessary (the brushes must be replaced when bristles are 15 mm high).
  • Page 18 BRUSH DECK DIAGRAM...
  • Page 19 BRUSH DECK PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E83802 Hex Bolt M8x30 Zinc E88272 Brush Deck Splash Guard E20073 Brush Deck E81709 Nyloc Hex Nut, M8 Zinc E83970 Bushing E83404 Flat Washer M9x24x2.5 Zinc...
  • Page 20 BRUSH DECK DRIVE DIAGRAM 19.11 19.1...
  • Page 21 BRUSH DECK DRIVE PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E20011 Motor Mount Plate E82845 Spacer E82312 Bushing E88245 Motor, Geared 24V 400W 140 RPM 19.11 E20451 Fitting, Solution Delivery Tube E83833 Hex Bolt M8x25 Zinc E83404 Flat Washer M9x24x2.5 Zinc E83565...
  • Page 22 FRAME ASSEMBLY DIAGRAM...
  • Page 23 FRAME ASSEMBLY PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E81635 Screw, M6X45 E20430 Main Frame ASM E82525 Arm s42 E81735 Hex Bolt M12x35 Zinc E82833 E20705 Nyloc Hex Nut, M5 Zinc E82834 Pivot Block E83550 NyLoc Hex Nut, M6 Zinc E22146 Coupling...
  • Page 24 SQUEEGEE ASSEMBLY DIAGRAM...
  • Page 25 SQUEEGEE ASSEMBLY PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E82253 Bushing, Brass OD 11.95mm x ID 8.9mm x L 8.45mm 1 E83909 Squeegee Blade, Polyurethane 30" x 1 3/4" x 1/8" 1 E12560 Squeegee Blade, Polyurethane 30 3/4" x 1 3/4" x 1/8" 1 E83851 Screw, Pan Hd Phil Self Tap M5.5x13 SS E82608...
  • Page 26 TANK ASSEMBLIES DIAGRAM 1.1.8 1.1.2 1.1.7 1.1.4 1.1.11 1.2.3 1.1.1 1.1.13 1.1.12 1.3.7 1.2.7 1.1.16 1.3.5 1.2.2 1.3.3 1.3.4 1.3.6 1.2.6 1.2.5 1.2.4 1.2.11 1.2.1 1.1.9 1.3.2 1.1.10 1.1.14 1.1.3 1.1.15 1.2.10 1.1.5 1.1.17 1.3.1 1.1.6 1.2.8 1.2.9...
  • Page 27 TANK ASSEMBLIES PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. 1.1.1 E82319 Solution Tank, Crewman AS20B 1.3.4 E87296 Drain Hose Clip 1.1.2 E82332 Gasket 1.3.5 E83037 Flat Washer M4x12x1.6 Zinc 1.3.6 E85784 Vac Motor Deadening 1.1.3...
  • Page 28 SQUEEGEE CONTROL ASSEMBLY DIAGRAM...
  • Page 29 SQUEEGEE CONTROL ASSEMBLY PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E85499 Hex Nut, M8x6.5 SS E82428 Wheel 52 OD x 28 W E82273 Bushing E81874 Flat Washer M8x17x1.6 Zinc E85497 Weldment, Squeegee Wheel Support E83550 NyLoc Hex Nut, M6 Zinc E82329 Threaded Pin...
  • Page 30 VACUUM MOTOR ASSEMBLY DIAGRAM...
  • Page 31 VACUUM MOTOR ASSEMBLY PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E87975 Stud Bolt Tripla E83454 Vacuum Motor, 24 volt E83897 Connector, Electrical Housing 30A E83454 Vacuum Motor, 24 volt E83883 Lug, Electrical 30A E83966 Hose Clamp E83935 Wire Tie E82761...
  • Page 32 SOLUTION ASSEMBLY DIAGRAM...
  • Page 33 SOLUTION ASSEMBLY PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E82309 Spring, Compression E83943 Nipple, Double Male 3/8" E83361 Ball Valve, 5/8 Double Female E83798 Flat Washer M6x30x3 PVC Black E82269 Barbed Fitting, 3/8 in. E83850 Flat Washer M5x20 SS E83534 Solution valve lever...
  • Page 34 ELECTRIC COMPONENTS DIAGRAM...
  • Page 35 ELECTRIC COMPONENTS PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E82761 Washer 6x12x1.6 E22151 Electric System E22152 Handlebar Assembly E82798 Washer, 6x18x1.5 E83547 M6x16 Bolt, Zinc Hex Head E82774 Lock Washer, M6 Zinc E81983 Hex Bolt M6x40 Zinc...
  • Page 36 HANDLEBAR ASSEMBLY DIAGRAM...
  • Page 37 Switch, Momentary E82308 E22153 Mounting Plate E20489 Soc Hd Cap Screw M6x20 Zinc E88244 Fuse Holder for Crewman AS20B E20342 Soc Hd Cap Screw M6x40 Zinc E83168 Fuse, 3 amp E20107 Screw, Pan Hd Phil Self Tap M4.2x16 SS E86144...
  • Page 38 ELECTRIC CONTROLS DIAGRAM...
  • Page 39 ELECTRIC CONTROLS PARTS LISTING Item# Part # Description Qty. Item# Part # Description Qty. E83628 Contactor 24VDC E22155 Electric Panel E83540 Lever WS17 E81954 Washer, Lock E82550 Handle - Lever S42 E83816 Screw E82698 bushing E82305 Fuse 50A faston brushes motor E82772 Hex Bolt M6x20 Zinc E83972...
  • Page 40 ELECTRICAL DIAGRAM...
  • Page 41 ELECTRICAL LISTING Item# Part # Description Item# Part # Description E83328 Vacuum Switch E86208 Connector, SB50, Red, #6, w/ Lugs E83175 Battery Level Display E86208 Connector, SB50, Red, #6, w/ Lugs E83328 Vacuum Switch Various Battery E88245 Motor, Geared 24V 400W E83157 Battery Indicator Card E82796...
  • Page 44: Warranty

    Service Distributor. If the original part is returned within the warranty policy period from date of delivery for inspection by Betco and is found to be defective the owner will be credited for the cost of replacement parts plus shipping and handling.

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