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.
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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)
• 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.
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.
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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.
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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”...
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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.
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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.
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.
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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.
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.
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.
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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.
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.
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).
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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...
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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...
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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