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STEALTH

STEALTH

 ASD20B

 ASD20B

20” Automatic Scrubber

with Brush Assist

E87030-00
E88062-00

1001 Brown Avenue  •  Toledo, Ohio  43607-0127 

Customer Service: 888-GO-BETCO  •  Fax: 800-445-5056  •  Technical Service: 877-856-5954  •  www.betco.com

Operator and Parts 

Manual

Summary of Contents for STEALTH ASD20B

Page 1: ... ASD20B 20 Automatic Scrubber with Brush Assist E87030 00 E88062 00 1001 Brown Avenue Toledo Ohio 43607 0127 Customer Service 888 GO BETCO Fax 800 445 5056 Technical Service 877 856 5954 www betco com Operator and Parts Manual ...

Page 2: ...CE 16 17 WEEKLY MAINTENANCE 18 TROUBLESHOOTING 19 BRUSH AND SELECTION USE 19 PARTS DIAGRAMS AND LISTINGS 20 43 ELECTRICAL SYSTEM 42 44 BATTERY CHECK CARD HOUR METER 45 HYDRAULIC PLANT INSPECTIONS 45 VACUUM SYSTEM INSPECTION 46 BRUSH BASE ADJUSTMENT 47 BRAKE ADJUSTMENT 47 SQUEEGEE ADJUSTMENT 48 CHECK LIST 48 MAINTENANCE SCHEDULE AND WEAR ITEMS 49 WARRANTY 52 ...

Page 3: ...can clean many types of hard flooring As it advances it also collects the dirt removed and the detergent solution not absorbed by the floor The machine must be used only for this purpose Even the best machines will only work well if used correctly and kept in good working order We therefore suggest you read this instruction book let carefully and re read it whenever difficulties arise while using ...

Page 4: ...V HP V W 36 0 74 36 550 Vacuum motor suction inches of water mbar 75 6 188 Solution tank capacity Gal l 11 40 Recovery tank capacity Gal l 13 50 Weight of machine excluding batteries lb Kg 165 75 Batteries V Ah 12 130 2 Charger V A 24 12 Battery compartment dimensions Length Height Width in x in x in 14 2 x 12 8 x 13 0 mm mm mm 360 325 330 Machine dimensions Length Height Width in x in x in 45 3 x...

Page 5: ... not hit against shelving or scaffolding The operator must always be equipped with the appropriate safety device gloves shoes helmet glasses etc Do not use the machine on surfaces with an inclination greater than the one shown on the serial plate The machine is designed to wash and dry floors simultaneously Signal the presence of wet floors with suitable signs If the machine does not work properly...

Page 6: ...ckage are A 45 1 in 1145 mm B 26 2 in 665 mm C 48 4 in 1230 mm 2 HOW TO UNPACK THE MACHINE A Remove the outer packaging B The machine is placed on the pallet with wedges which block the wheels C Remove these wedges D Use a ramp to get the machine down from the pallet pulling it backwards E Keep the pallet for any future transport needs MACHINE PREPARATION ...

Page 7: ...RY To power the machine you can use Wet batteries AGM batteries Gel batteries OTHER TYPES MUST NOT BE USED The maximum battery dimensions and the weight are Width 6 7 in 171 mm Length 12 9 in 329 mm Height 9 6 in 245 mm Weight 68 lb 31 kg WARNING Your charger and battery check card must be set ac cording to the type of battery you install Call BETCO customer service to ensure correct charger setti...

Page 8: ...o the battery plug WARNING This process must be carried out by qualified person nel The incorrect connection of the cables to the connector can seriously harm people and damage objects 8 RECHARGING THE BATTERIES Perform one complete battery charge cycle before using the machine Avoid totally discharging the batteries This can cause permanent damage Recharge as soon as the battery discharged signal...

Page 9: ... battery indicator uses LEDs and has 8 positions 7 yellow charged batter ies and 1 red discharged batteries WARNING A few seconds after the red indicator light comes on the brush motor switches off automatically With the remain ing charge it is possible to complete the drying process before recharging MACHINE PREPARATION ...

Page 10: ... to raise the squeegee G Solution filter 13 SIDE COMPONENTS The side components are identified as follows A Valve for manual regulation of clean water outlet B Handle to raise the recovery tank C Handle to raise the vacuum unit D Upper storage compartment E Brake lever 14 ASSEMBLING THE SQUEEGEE For packaging reasons the squeegee is supplied dismounted from the machine and must be assembled as fol...

Page 11: ... SQUEEGEE INCLINATION During working operation the rear squeegee blade is slightly bent backwards by about 0 2 in 5 mm in a uniform manner for its entire length If it is neces sary to increase the bend of the squeegee blade in the central region you must tilt the squeegee backwards rotating the adjuster 1 counter clockwise To increase the bend of the squeegee blade at the sides of the squeegee rot...

Page 12: ...on of excess foam could damage the vacuum motor so be sure to use the correct concentration of detergent WARNING Always use low foam detergent Introduce a small amount of defoaming chemical in the recovery tank before start ing to work to prevent foam from being generated WARNING Never use acids 20 MOUNTING THE BRUSH A With the brush deck up place the brush under the brush deck and position it in ...

Page 13: ... the lever 3 and lower the brush deck E Lower the squeegee by rotating the squeegee lift lever 4 counter clockwise The vacuum motor will turn on F Confirm that the brake 5 is released G Pressing the levers 1 activates the brushes and the machine begins to move itself forward During the first few feet adjust the amount of solution dispensed and confirm that the squeegee dries the floor H The machin...

Page 14: ...ndlebars WARNING When moving in reverse lift the squeegee 3 OVERFLOW DEVICE The machine has a shut off float in a filter basket that activates when the recov ery tank is full and stops airflow into the vacuum hose At this point you must empty the recovery tank by removing the cap of the drain hose WARNING Always wear gloves when doing this operation to protect you from contact with hazardous chemi...

Page 15: ...lever 3 D Turn off the key switch 4 E Move the machine where the tanks can be drained F Remove the drain hose from its holder unscrew the drain cap and empty the recovery tank G The squeegee must be raised when the machine is not operating to avoid deforming the squeegee blades H Remove the floor scrub pad and clean it with water WARNING Always wear gloves when doing this operation to pro tect you...

Page 16: ...vacuum filter cover by rotating it clockwise C Pull the filter to remove it D Use water to clean the filter E Perform the cleaning operations with care F Reassemble all the components WARNING Always wear gloves when doing this operation to pro tect yourself from contact with hazardous chemicals 3 CLEANING THE VACUUM HOSE FILTER A Raise the recover tank cover B Rotate the inner filter 1 and remove ...

Page 17: ...the switch levers 2 and quickly release them D The pad driver will be automatically release from the brush deck 6 REPLACING THE SQUEEGEE BLADES Check the condition of the squeegee blades and if necessary replace them To replace them A Remove the squeegee vacuum hose from the squeegee shoe adapter B Remove the cotter pins that pass through the mounting pins of the squeegee shoe C Remove the squeege...

Page 18: ...ARNING Always wear gloves when doing this operation to pro tect yourself from contact with hazardous chemicals 2 CHECKING THE BRAKE Every week check the distance between the work brake pads and the wheels If necessary adjust them by means of the nuts so they are at a distance of 0 12 in 3 mm when released 3 CLEANING THE SOLUTION TANK A Loosen the solution tank cap B Rinse with water C Loosen the d...

Page 19: ...that are not very dirty TROUBLESHOOTING GUIDE POLYPROPYLENE BRUSH PPL Used on all types of floors Good resistance to wear and tear and hot water no greater than 140 F 60 C NYLON BRUSH Used on all types of floors Excellent resistance to wear and tear and hot water even over 140 F 60 C ABRASIVE BRUSH The bristles of this type of brush are coated with highly aggressive abrasives It is used to clean v...

Page 20: ...20 BRUSH DECK DIAGRAM ...

Page 21: ...1 E88272 Brush Deck Splash Guard 1 2 E20073 Brush Deck 1 3 E83970 Bushing 3 4 E83802 Hex Bolt M8x30 Zinc 3 5 E81709 Nyloc Hex Nut M8 Zinc 3 6 E83404 Flat Washer M9x24x2 5 Zinc 8 Item Part Description Qty Item Part Description Qty ...

Page 22: ...22 BRUSH DECK DRIVE DIAGRAM 5 7 6 9 11 9 5 28 9 10 25 12 24 20 25 27 29 17 21 13 3 4 15 14 5 1 5 19 1 19 11 3 4 2 5 9 8 23 26 16 18 34 33 31 25 25 32 ...

Page 23: ...ock Washer M6 Zinc 4 15 E20093 Carriage Bolt M8x25 Zinc 1 16 E20297 Flat Hd Soc Machine Screw M8x16 Zinc 3 17 E82844 Clutch Plate 1 18 E82845 Spacer 3 19 E88245 Motor Geared 24V 400W 140 RPM 1 19 11 E20451 Fitting Solution Delivery Tube 1 20 E83565 Knob 1 21 E88246 Brush Flange Threaded 1 23 E83491 Spring 1 24 E83881 Hex Bolt M5x20 Zinc 1 25 E88010 Hex Nut M5 4 26 E83489 Rings 1 27 E20290 Flat Hd ...

Page 24: ...24 SQUEEGEE ASSEMBLY DIAGRAM 21 3 1 12 14 22 16 18 5 11 2 4 24 23 17 6 20 7 15 19 19 9 10 8 30 ...

Page 25: ...6 Squeegee Blade Gum Rubber 30 3 4 x 1 3 4 x 1 8 1 12 E82451 Wheel 45 OD x 25 W 2 13 E83914 Hex Bolt M6x20 SS 2 14 E82253 Bushing Brass OD 11 95mm x ID 8 9mm x L 8 45mm 1 15 E83851 Screw Pan Hd Phil Self Tap M5 5x13 SS 2 16 E83802 Hex Bolt M8x30 Zinc 2 17 E82707 Set Screw Hex Soc Flat End M6x40 SS 8 18 E81848 Flat Hd Soc Machine Screw M6x25 SS 12 19 E20114 Hex Jam Nut M6X3 SS 2 20 E83875 Hex Jam N...

Page 26: ...26 SQUEEGEE YOKE DIAGRAM ...

Page 27: ...at Washer M6x18x1 5 Zinc 1 4 1 11 E81874 Flat Washer M8x17x1 6 Zinc 1 4 1 12 E85722 Flat Washer M13x24x2 5 Zinc 1 4 1 13 E83531 Knob 1 4 2 E83590 Chain 1 4 3 E83655 Adjuster Knob 1 4 4 E20286 Squeegee Yoke 1 4 5 E85499 Hex Nut M8x6 5 SS 1 4 6 E20134 Hex Bolt M5x10 Zinc 1 5 E20408 Squeegee Lift Lever 1 6 E20242 Pan Hd Phil Machine Screw M3x20 Zinc 2 7 E83838 Screw 4 2 X 13 4 8 E82317 Hex Jam Nut M5...

Page 28: ...28 MAIN FRAME DIAGRAM 28 30 5 15 26 27 23 22 21 12 1 10 20 5 24 6 20 4 20 2 8 7 29 3 2 17 16 9 4 18 13 14 18 20 1 20 4 31 31 33 34 34 33 5 35 36 37 38 39 ...

Page 29: ...t 1 20 2 E83833 Hex Bolt M8x25 Zinc 2 20 4 E81874 Flat Washer M8x17x1 6 Zinc 4 20 5 E20532 Axle Mounting Bracket 1 20 6 E81709 Nyloc Hex Nut M8 Zinc 2 21 E20501 Splash Guard 1 22 E20122 Flat Washer M5 x 15 x 1 5 SS 2 23 E20705 Nyloc Hex Nut M5 Zinc 2 24 E20488 Carriage Bolt M5x16 Zinc 2 26 E20473 Switch Plate 1 27 E20435 Nyloc Hex Nut M3 SS 2 28 E20242 Pan Hd Phil Machine Screw M3x20 Zinc 2 29 E82...

Page 30: ...30 SOLUTION TANK DIAGRAM 1 17 3 1 7 1 17 2 1 11 1 12 3 10 9 1 15 1 16 9 10 4 5 16 1 17 1 1 6 1 5 4 9 15 9 7 14 12 1 18 1 3 1 8 2 1 4 1 19 1 17 3 1 17 2 1 17 1 14 1 2 19 8 13 11 18 6 17 1 1 ...

Page 31: ...x4 Zinc 1 1 17 E20197 Solution Tank Gray 1 1 17 1 E20389 Hinge Pin 1 1 17 2 E20271 Grommet 2 1 17 3 E20196 Fitting Barbed 2 1 18 E20577 Spacer 1 1 19 E20602 Fitting Barbed Threaded 1 2 E20411 Bracket 1 3 E82772 Hex Bolt M6x20 Zinc 2 4 E20090 Hex Bolt M6x25 Zinc 3 5 E20392 Pan Hd Phil Machine Screw M4x16 Zinc 4 6 E83796 Screw Pan Hd Phil Self Tap M4 2x16 Zinc 5 7 E20112 Hex Nut M6x6 Zinc 1 8 E20121...

Page 32: ...32 RECOVERY TANK DIAGRAM 3 5 3 6 3 4 3 7 4 7 6 2 5 3 8 3 9 8 5 9 3 3 3 2 3 10 3 1 3 11 2 3 11 1 10 1 12 11 12 13 14 15 ...

Page 33: ...ew M5x12 Zinc 3 3 9 E81619 Cable Tie Holder 3 3 10 E82341 Gasket 1 3 11 1 E20198 Recovery Tank Red 1 3 11 2 E20188 Hinge Pin 1 4 E83833 Hex Bolt M8x25 Zinc 1 5 E82638 Screw Pan Hd Phil Self Tap M3 9x13 SS 6 6 E82808 Hex Jam Nut M8X5 Zinc 1 7 E20127 Flat Washer M9x18x1 5 Zinc 1 8 E20563 Plate 1 9 E20195 Plate 1 10 E20524 Spacer Nylon 1 11 E88500 Fitting Hose D38 W1 5 L50 1 12 E88501 Clamp 9x300 4 8...

Page 34: ... VACUUM UNIT DIAGRAM 1 2 23 2 14 2 3 2 17 2 11 2 15 2 24 2 2 2 27 2 8 2 19 2 10 2 9 2 18 2 21 2 1 2 16 2 4 2 6 2 5 2 13 2 7 4 2 28 2 22 3 2 26 2 25 2 12 2 20 4 2 20 3 2 20 1 2 20 2 2 26 2 20 2 29 2 30 5 6 ...

Page 35: ...1 2 18 E88289 Gasket 1 2 19 E20064 Support Bracket 1 2 20 E88291 Vacuum Motor 36VDC 550W 1 2 20 1 E83897 Connector Electrical Housing 30A 2 2 20 2 E83883 Lug Electrical 30A 2 2 20 3 E83935 Wire Tie 2 2 20 4 E20525 Carbon Brush 2 2 21 E81006 Vacuum Splash Guard 1 2 22 E20122 Flat Washer M5 x 15 x 1 5 SS 5 2 23 E88290 Hose Vacuum 1 2 24 E20440 Sound Deadening Foam 1 2 25 E83796 Screw Pan Hd Phil Sel...

Page 36: ...36 SOLUTION DELIVERY DIAGRAM 8 ...

Page 37: ...olenoid Valve 1 4 E85762 Hose Clamp 2 5 E86275 Barbed Elbow 1 6 E88265 Hose Glass Reinforced D 10 x 140 1 7 E83935 Hose Clamp 2 8 E20375 Tubing 10 ID x 650 L 1 9 E20602 Fitting Barbed Threaded 1 Item Part Description Qty Item Part Description Qty ...

Page 38: ...12 3 19 3 11 3 4 3 11 3 2 4 3 12 3 13 3 1 2 2 2 5 2 4 23 24 25 25 1 18 17 16 14 13 14 15 21 20 21 2 3 11 12 10 2 1 26 2 26 1 22 27 5 27 3 27 1 27 2 27 4 19 3 9 3 10 3 21 3 9 3 7 3 8 9 8 5 7 6 29 28 25 HANDLEBAR DIAGRAM For serial numbers beginning with 211 and earlier ...

Page 39: ...20243 Pan Hd Phil Machine Screw M3x30 Zinc 2 3 13 E81673 Hex Nyloc Nut M3 Zinc 4 3 14 E20341 Hex Bolt M4x16 Zinc 1 3 15 E20248 Hex Nut M4x4 Zinc 1 3 16 E20556 Plate 1 3 17 E20242 Pan Hd Phil Machine Screw M3x20 Zinc 3 3 18 E20367 Hinge Bracket RH 5 3 19 E20466 Insert 1 3 20 E83037 Flat Washer M4x12x1 6 Zinc 1 3 21 E20362 Set Screw Hex Soc Dog Point M5x30 Zinc 1 4 E20111 Flat Hd Soc Machine Screw M...

Page 40: ... 1 42 1 32 1 43 1 44 1 23 1 14 1 30 1 25 1 20 1 18 1 31 1 7 1 22 1 19 1 10 1 18 1 12 1 27 1 14 1 18 1 6 1 11 1 34 1 18 1 36 1 33 1 13 1 24 1 17 1 28 1 13 1 23 1 16 1 2 1 31 1 1 1 40 1 17 1 4 1 15 1 5 1 8 2 5 4 1 41 3 1 3 1 1 3 3 1 3 2 1 3 4 1 9 1 21 1 26 1 17 1 29 1 35 1 38 1 39 ...

Page 41: ...1 22 E82798 Flat Washer M6x18x1 5 Zinc 1 1 23 E82270 Micro Switch 3 1 24 E81625 Shank M5x32 Female Threaded Nylon 2 1 25 E20466 Insert M3x9 Zinc 1 1 26 E87296 Drain Hose Clip 1 1 27 E20360 Hex Bolt M6x45 Zinc 1 1 28 E20362 Set Screw Hex Soc Dog Point M5x30 Zinc 1 1 29 E20442 Button Hd Soc Machine Screw M5x16 Zinc 1 1 3 E20469 Flat Washer M3 SS 2 1 31 E20382 Nyloc Hex Nut M5 x 5 Zinc 2 1 32 E22081 ...

Page 42: ...GRAM M2 M2 OPTIONAL 17 Rxe185 16 27 26 12 28 24 15 16 16 14 7 7 7 7 12 24 23 23 29 28 29 17 25 25 25 25 6 3 1 6 4 5 1 1 1 4 5 3 3 4 3 3 3 J7 J8 J9 J10 J11 14 15 MI 4 MI 3 29 28 NC NC 8 8 9 11 10 11 10 9 NC NC MI 1 MI 2 ...

Page 43: ...or 14 E82322 Solenoid Valve 15 E20402 Electrical Connector 30A 16 E20402 Electrical Connector 30A MI 1 E82270 Micro Switch MI 2 E82270 Micro Switch MI 3 E88249 Micro Switch MI 4 E88249 Micro Switch M1 E88235 Brush Gear Motor 24VDC 400W M2 E88291 Vacuum Motor 36VDC 550W Item Part Description Qty Item Part Description Qty ...

Page 44: ...vers B Verify that the micro switches are pressed with the lever in rest position and that in that condition the micro switch lever has about 0 5 mm of movement C Verify the functionality and conditions of the power contactors of the self recovery fuses ELECTRICAL SYSTEM B B C C A A 5XH 5XH 9 880 02725 5XH 586 02725 5 H 5XH 1 1 1 1 ...

Page 45: ...ition and the LED which turn on correspond to the current set up Verify that if the machine uses wet cell batteries the adjustment is on position 1 Verify that if the machine uses GEL batteries the adjustment is on position 4 WARNING A wrong set up of the battery control card can compromise the battery efficiency and damage then in ir reversible way 1 Fill up the solution tank and look for leaks a...

Page 46: ...nections and the sealing of the vacuum hoses and the squeegee hoses 4 Check the sealing of the squeegee hose adapter 5 Check the sealing of the exhaust hose and exhaust hose plug 6 Vacuum micro switch adjustment Adjust the vacuum micro switch in way that when the cam on the squeegee lever push the micro switch there is about 0 5 mm of clearance of the micro switch lever ...

Page 47: ...eck in this position H Check that the pan head screw on the back side is adjusted near the flat part of the brush The distance between the screw head and the brush has to be 1 2 mm when the brush is locked and the brush deck is lowered 2 In the machines without traction A Loose the ring nut B Adjust the knob to let the brush in working condition help the machine in go ing forward Tighten to increa...

Page 48: ...erify the sealing of all the water plant and that the water is equal on the brush Adjust the inclination and the height of the squeegee blades doing a functional test Adjust the inclination of the brush deck and do a functional test Check the efficiency of the parking brake Final test Check all the functions washing drying and movement CHECK LIST SQUEEGEE ADJUSTMENT 1 Adjust the inclination adjust...

Page 49: ... o e t a t s k c e h C 0 0 2 s t n e m h c a t t a h s u r b k c e h C Check wear of rotating brushes 50 200 BRUSH MOTOR Check cleanless of air cooling inlet 100 0 0 0 1 0 0 4 s e h s u r b n o b r a c k c e h C 0 0 0 1 l e v e l e s i o n d n a w a r d p m a k c e h C VACUUM MOTOR Check noise level and cleanless of the inlet hose 50 0 0 4 0 0 2 s e h s u r b n o b r a c k c e h C Check vacuum per...

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Page 51: ...51 ...

Page 52: ...years against manufacturer defects All other components except wear items are warranted by Betco for a period of 3 years Wear Items exempt from Warranty consideration include but may not be limited to power cords transport wheels vacuum bags belts squeegee blades pad drivers clutch plates handle grips filters screens throttle cables brushes and carbon brushes Subject to the conditions and exceptio...

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