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1. functions will be disabled when Key Switch is turned ON The Scrub Transport Switch closes when the Scrub 8 Gray Head Actuator extends lowers 2 50mm or more 9 x 4 aH Battery Negative The Hour Meter is activated only when the Scrub or Logic Ground Head is lowered and propel is engaged ms Battery Positive ILLI ME RR or Logic High Nobles Speed Scrub 9002377 REV 00 08 06 43 speed Scrub FaST Pump Hour Meter CONDITIONS Key ON scrub head lowered for cleaning propel engaged FaST scrub selected 6 VD VD VD VD 6 VDC 6 VDC 6 VDC 1 RED u 13 BLK n BRUSH SCRUB TRANSPORT SWITCH INTERNAL TO SCRUB HEAD ACTUATOR 6 6 A CONVENTIONAL SOLUTION VALVE OQ 30 OG CONVENTIONAL SWITCH y AX k AN S K F3 CR4 gt e 1 RED 7 5A 18 28 13 BLK 13 BLK e Wiring Color Codes Unless otherwise marked 2 Right Most Digi Tan Be cautious when working near Control Board Battery voltage is always present even with Key OFF 9 RIEN TEE i If Charger Plug is connected to battery charger ALL machine 6 Blue G a ud functions will be disabled when Key Switch is turned ON
2. ZORam mm E ME MN x Battery C output for various Output to vacuum switch CR3 actuator 13G black battery output relay Battery Discharge Indicator amp low components battery voltage lockout select 11 pink ov 25v amp BATTERY DISCHARGE INDICATOR CONNECTIONS Active Inactive Input Wire Color Voltage Voltage Output Battery Battery supply voltage Discharge 2 9 white 10v to 24v Battery status signal Indicator Battery supply voltage Static drain path 32 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub BDI Diagnostic Fault Indicators LED Flashing Codes 111111119 Very Low Battery Voltage Low Battery Voltage PEELED 9 Slowly Flashing 2 Propel Motor Open Titi Pop a Quickly Flashing 2BARS FLASHING 200 Hz Propel Motor Shorted SBARS FLASHING Battery Lockout GBARS FLASHING Possible Control Board Fault High Battery Voltage sas Control Board in SZLLLLLI Sleep Mode LED s flash one at time from left to Slee right EF Im Throttle Displaced LED s ripple back and forth Nobles Speed Scrub 9002377 REV 00 08 06 The batteries need immediate charging or there is a bad connection to the batteries Charge the batteries or check the connections to the battery The batteries need charging or there is a bad connection to the batteries Charge the batteries or ch
3. J440 0NY L5 3A T LVEIIN HDLOW ENDO _ m3 I 3ALIS d HILIMS ASH I genos 1 XAV SSANAVH NIYIN 314 ONS MJI AN AY IJH RAJYA HOLWOLIW 27 Nobles Speed Scrub 9002377 REV 00 08 06 Page 4 of 6 Speed Scrub Wiring Harness Detail 24 3573 NOI LI3NNO9 TOR 55 1503 SS3NHVH g3sn LON 5155 01 133NN03 3 oe 30010 H2LIMS LINI 1 H3407 oF p K pp SSANYVH NIV o9 J 0 HO1ON LLI Nobles Speed Scrub 9002377 REV 00 08 06 28 Speed Scrub Wiring Harness Detail Page 5 of 6 z 25 E E d a G 5 41 P CHASSIS HARNESS Nobles Speed Scrub 9002377 REV 00 08 06 29 Speed Scrub Wiring Harness Detail Page 6 of 6 a 5 p E c E a T o E m gt ze E at 2 x I 2 jur z tt FF MO L L O lt m WIRE 37 FaST HARNESS 27 END WIRE WIRE 18 ENO VIEW E WIRE 30 WIRE WIRE 18 END VIEW 30 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Control Board amp BDI Details CONTROL BOARD Oa BATTERY PROPEL MOTOR SCRUB OUTPUT PROGRAMMING CONTROL CONNECTIONS CONNECTIONS CONNECTIONS CONNECTIONS CONNECTIONS BATTERY DISCHARGE INDICATOR VIEWED FROM REAR Nobles Speed Scrub 9002377 REV 00
4. SWITCH MOTOR 58 GRY 46 BLU P i 60 TAN BLK pee un 7 rr sss pA y RE gt gt WAND PUMP OPTION Cr4 IE RED LE RED 18 GRY 28 GRY 13E BLK Alo at 9 ecd utu ecc ee 1 Se sas FaST OPTION F3 5 AMP FaST PUMP MOTOR 24 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Wiring Harness Detail Page 1 of 6 LLI a3NNILNOO ANYL AAAI oor HALTS 320 HALI R c 3 3 DS 2 HOLON _ 1 Fans 3 ANNA Hda os THC uu gt oot GSNNILNOO V m oH IW a3NNILNOO 129 155 39v IDA HOO TH3LN AH3llvH eo k AD c OL 211 5 Al33V5 H39HVH2 Or v 001 2 5 ANIMA FL EJ DD 001 2 SSANAVH NIYIN 25 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Wiring Harness Detail Page 2 of 6 SS IN WH AMT UNM WHO Lab 30 211 5 Hao 1H LHS TH H2L IMS A2 Bl 1331 211 5 MOT LIAM HOLIAS v SHnNSSSH4d OVWSH aneas Gn SSANAVH NIYIN Nobles Speed Scrub 9002377 REV 00 08 06 26 Page 3 of 6 Speed Scrub Wiring Harness Detail GANNILNOO GSNNILNOO NY ou i i Ho A HOU IV LAO jos jos jos jos Hore OQ OOOOH Lz 7
5. X Be cautious when working near Control Board i Battery voltage is always present even with Key OFF Sonn IMMUNE UNUM 6 Bue The battery charger uses normally closed relay to send a signal to the control board the relay opens 8 Gray when the charger is plugged in to AC power eee cae mae AC Power HE Battery Negative If On Board Charger is connected to AC or Logic Ground power ALL machine functions will be 2 disabled when Key Switch is turned 36 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Key OFF Power Distribution With Optional On Board Battery Charger CONDITIONS Key OFF On Board battery charger CONNECTED to AC power 6 VDC 6 VDC 6 VDC 6 VDC RED 1 RED 13 BLK iip hp aaas 0 F1 100A F2 1 RED 22 22 13 BLK TO CIRCUIT BREAKER CB1 1 RED TO CIRCUIT BREAKER CB2 CR2 ee 10 TO CIRCUIT BREAKER CB3 B4 TO CIRCUIT BREAKER CB4 1 RED TAN TO FUSE F4 Yo 7 5A CR4 Le 18 28 TO FaST PUMP 6 54 54 BATTERY DISCHARGE INDICATOR 54 14 pM 24 EMERGENCY KEY RED STOP SWITCH SWITCH 64 D BLK Wiring Color Codes ACTUATOR Unless otherwise marked 4 BLACK RELAY Right Most Digit color of Wire K sn Tan CORD 0 CONNECTED TO AC Be cautious when working near Control Board i Battery voltage is always presen
6. The Scrub Transport Switch closes when the Scrub 8 Gray Head Actuator extends lowers 2 50mm or more 9 x 4 aH Battery Negative The Hour Meter is activated only when the Scrub or Logic Ground Head is lowered and propel is engaged Battery Positive ee eee ee or Logic High 44 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Scrub Head Actuator LOWER Extend CONDITIONS Key ON scrub head lower switch activated 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK ff G BRUSH SCRUB TRANSPORT CONTACTOR SWITCH INTERNAL TO SCRUB HEAD ACTUATOR 27 27 CHARGER EMERGENCY KEY SAFETY STOP SWITCH SWITCH SWITCH Aeron ieee _ 4 SHOWN IN OPERATION DURING e 10 LOWERING OF SCRUB HEAD RAISE LIMIT SWITCH 2 SCRUB HEAD ACTUATOR 23 EXTERNAL LOWER LIMIT 13 BLK INTERNAL m 56 SWITCH SWITCHES iri z Wiring Color Codes m 7 I Unless otherwise marked 4 EG Ec LOWER LOWER LIMIT SWITCH i Tan MN AR AL 9 pus scrub Head Actuator Logic Chart 4 Yell 4 Yellow Scrub Raise Lower Lower 6 Transport Limit Limit Limit ully Retracted UP OPEN OPEN CLOSED C
7. FOR SAFETY When loading unloading machine onto off truck or trailer use a ramp that can support the machine weight and person loading it do not exceed a 11 ramp incline at a ramp length of 3 7m 12 ft use tie down straps to secure machine and block machine wheels 20 STORING MACHINE Charge the batteries before storing machine to prolong the life of the batteries Drain and rinse the tanks thoroughly Store the machine in a dry area with the squeegee and scrub head in the up position Open the recovery tank cover to promote air circulation ATTENTION Do not expose machine to rain store indoors 5 If storing machine freezing temperatures make sure to drain machine of all water For models equipped with the FaST System follow the FaST SYSTEM FREEZE PROTECTION procedure below FaST SYSTEM FREEZE PROTECTION Valve Coupling 1006205 and 6 15 cm Hose 63182 are required Purchased separately 1 Remove the FaST PAK carton and connect the valve coupling and 15 cm hose purchased parts to the supply hose Figure 86 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Maintenance Page 14 of 16 2 Disconnect the opposite end of the supply hose 7 drain the anti freeze repeat the draining from the injector assembly and drain the supply process above and reconnect the supply hose to hose Figure 87 To access the injector assembly the FaST PAK carton remove the fro
8. NOBLES SPEED SCRUB EaSI AUTOMATIC SCRUBBER Foam Scrubbing Technology The Safe Scrubbing Alternative Quick Train Controls SERVICE INFORMATION MANUAL 9002377 Rev 01 09 2006 www nobles com IIIIIIIIIOIzIIII Sy FOR REPLACEMENT PARTS Identify machine model and serial number 1 A Identify the machine model 2 B Identify the machine serial number from the data label Refer to the NOBLES Speed Scrub Parts Manual NOTE Only use NOBLES supplied or equivalent parts Parts and supplies may be ordered online by phone by fax or by mail Tennant Company PO Box 1452 Minneapolis MN 55440 Phone 800 553 8033 or 763 513 2850 www nobles com FaST PAK is a US registered and unregistered trademark of Tennant Company Specifications and parts are subject to change without notice Copyright 2006 TENNANT Company Printed in U S A ii Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Service Information Manual Table of Contents page MACHINE INFORMATION COMPON EAE EOGalol u a 1 Machine SpecificationS 5 MAINTENANCE SAFETY LABELS itu eani sioe 7 BATTERY INSTALLATION 8 SQUEEGEE REMOVAL amp 8 CIRCUIT BREAKERS amp FUSES urasna etter nero opes 9 CHAR
9. am Battery Positive Scrub Transport Switch closes when actuator is extended 2 50mm or more or Logic High vd ASNA OL LO LOWER LIMIT SWITCH 46 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Wand Pump CONDITIONS Key ON wand pump switch ON 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK fe Md CHARGER EMERGENCY KEY SAFETY STOP SWITCH SWITCH SWITCH AGRUNTOR eo 4 e 1 RED 78 58 7 5A e e feos WAND PUMPs e SWITCH gt WAND PUMP 38 TO CIRCUIT Wiring Color Codes BREAKER CB4 Unless otherwise marked Right Most Digi 0 Tan AUR a Be cautious when working near Control Board E Battery voltage is always present even with Key OFF IU If Charger Plug is connected to battery charger ALL machine s Bue s Gray 7 9 We A E H E RE Battery Negative or Logic Ground mam Battery Positive or Logic High functions will be disabled when Key Switch is turned ON Nobles Speed Scrub 9002377 REV 00 08 06 47
10. MOTOR Wiring Color Codes Unless otherwise marked Right Most Digi 0 Tan i Be cautious when working near Control Board Battery voltage is always present even with Key OFF sce 6 Blue If Charger Plug is connected to battery charger ALL machine functions will be disabled when Key Switch is turned ON C C 9 white E E E E E Battery Negative or Logic Ground m Battery Positive or Logic High 42 Nobles Speed Scrub 9002377 REV 00 08 06 speed Scrub Conventional Solution Valve Hour Meter CONDITIONS Key ON scrub head lowered for cleaning propel engaged conventional scrub selected 6 VDC 1 RED 13 BLK 4 4 SCRUB TRANSPORT SWITCH INTERNAL TO SCRUB HEAD ACTUATOR 6 6 CONTACTOR ee lele y A CONVENTIONAL SOLUTION VALVE OOS 6688 e 30 9 e 30 gt 0 FaST hh CONVENTIONAL SWITCH 16 HOUR METER F3 CR4 1 RED 7 5A 18 28 Q 13 BLK 13 BLK Wiring Color Codes Unless otherwise marked FaST PUMP ght Mosi ig MOTOR 0 tan Be cautious when working near Control Board Battery voltage is always present even with Key OFF Ee LL ecce i If Charger Plug is connected to battery charger ALL machine 5 Green 6 Blue G a ud
11. T m Vw zx 7 Once the charging cycle begins the indicator lights will progress from red yellow to green When the green indicator light comes on the charging cycle is done Unplug the charger cord If the charger detects a problem the charger will display an error code See ON BOARD BATTERY CHARGER ERROR CODES Speed Scrub Maintenance Page 5 of 16 ON BOARD BATTERY CHARGER ERROR CODES marimar batery volgeskwei No asfonnezessay Safety thermostat exceeded maximum internal Check if the To vents are obstructed temperature Exceeded maximum time for charging phase Repeat the charging cycle and if the error leaving the batteries undercharged due to a code E03 reappears check battery or sulfated or faulty battery replace it SCt Safety timer exceeded maximum charging Replace battery time Interrupts charging cycle Possible internal short circuit Contact Tennant Service 1 800 553 8033 USING OFF BOARD BATTERY CHARGER 1 Transport the machine to a well ventilated area 2 Park the machine on a flat dry surface Turn the key off and set the parking brake if equipped If charging wet lead acid batteries check the fluid level before charging See BATTERY MAINTENANCE 4 Prop up the recovery tank for ventilation Figure 46 FIG 47 7 The supplied charger will automatically begin charging and shut off when fully charged
12. 40 SG I D BUSNES LT LU TE 41 Vacu m Fan aa Sau Qu aus 42 Conventional Solution Solenoid Valve amp Hour Meter 43 Fas Pump amp Hour Wee Ra wiz uu 44 Scrub Head Actuator LOWER Extend 45 Scrub Head Actuator RAISE Retract 46 Wand Uie 47 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Service Information Manual BEFORE CONDUCTING TESTS Read and Follow ALL Safety Warnings and Precautions in Operator s Manual Always use an ESD Electrostatic Discharge strap when working near the Control Board Be cautious when working near Control Board Battery voltage is always present even with Key OFF Always Disconnect Batteries when removing or replacing components DURING TESTS Call Technical Services if Diagnostic Time Exceeds One Hour with Unknown Cause or Course of Action Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Component Locator Page 1 of 4 m HOLE gt Battery Meter Battery Discharge Indicator Reverse Trigger Start Triggers Propel Scrub Brush Pressure Meter Control Console Height Adjustment Lever Speed Control Knob Potentiometer ot IM Nobles Speed Scrub 9002377 REV 00 08 06 O00 Brush Pressure Switch
13. NOTE The machine will not operate when charging ATTENTION Do not disconnect the charger s DC cord from the machine s receptacle when the charger is operating Arcing may result If the charger must be interrupted during charging disconnect the AC power supply cord first Sie 5 Connect the charger s AC power supply into properly grounded receptacle 6 Connect the charger s DC cord into the machine s battery receptacle Figure 47 12 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Maintenance Page 6 of 16 ADJUSTING SCRUB HEAD BRUSHES CYLINDRICAL BRUSH MODEL After installing a new set of cylindrical brushes check the brush pattern to ensure proper brush adjustment Brushes that are not properly adjusted will result in premature wear and poor scrubbing performance FOR SAFETY Before adjusting scrub head stop Figure 50 machine on level surface remove key and set parking brake if equipped To ensure optimum scrubbing performance periodically check the scrub head for proper adjustment CORRECT BRUSH PATTERN _ ll bd DISK MODEL EA Pattern Tools required Measuring device 1 1 16 in 27 mm Uneven Tapered wrench and 15 16 in 24mm wrench Pattern Pattern INCORRECT BRUSH PATTERNS 1 With brushes installed lower the scrub head and N 2 apply medium brush pressure Turn machine off and remove key From the center front and
14. To prolong the life of the batteries only recharge the batteries if the machine was used for a total of 30 minutes or more Do not leave batteries discharged for lengthy periods AX WARNING Fire Or Explosion Hazard Batteries Emit Hydrogen Gas Keep Sparks And Open Flame Away Keep Battery Compartment Open When Charging FOR SAFETY When servicing batteries wear protective gloves and eye protection when handling batteries and battery cables Avoid contact with battery acid BATTERY CHARGER SPECIFICATIONS e CHARGER TYPE FOR SEALED Gel BATTERIES FOR WET Lead acid BATTERIES OUTPUT VOLTAGE 24 VOLTS OUTPUT CURRENT 20 AMPS e AUTOMATIC SHUTOFF CIRCUIT e FOR DEEP CYCLE BATTERY CHARGING ON BOARD BATTERY CHARGER SETTINGS If your machine is equipped with the on board charger the charger settings must be set for your battery type before charging Failure to properly set will result in battery damage To determine your battery type see battery label Contact your battery supplier if not specified To verify the setting of the charger connect the charger cord into an electrical receptacle The charger will display a sequence of codes One of the codes will either read GEL or Acd Figure 41 GEL Set for sealed maintenance free batteries Acd Set for wet lead acid batteries ukya ae LE eat LEE ev x4 FIG 41 Nobles Speed Scrub 9002377 REV 00 08 06 S
15. 08 06 31 Speed Scrub Control Board amp BDI Pin Charts CONTROL BOARD CONNECTIONS Active Inactive Input name Pims Wires color vonage vonage output punetionicomponent Nols Battery Connections 13A black battery C x input x negative power supply Propel Motor Ov to 24v M4 Propel motor power supply Forward 4v to 24v Reverse 0v Connections Ov to 24v connections Reverse 1 5v to 12v Forward 0v Scrub Output battery jbattery output E cba EUM nana tita abel Controls CR1 brush contactor solution Connections battery PPY valve FaST relay amp hour meter Programming Connections Used only for programming the control board 3 see notes nout Throttl Reverse 0v to 2 25v Fwd 2 75v to 5v hi uidi Neutral 2 25v to 2 75v Throttle Sv reference signal white battery open output CR2 Vacuumfanrelay __ 29 E ee 255888 Special mode wire 48 connected to 13H 22 4v lockout for Europe 54 yellow battery battery output Battery supply for input Output in series to charger safety E stop amp switches switches Control Connections Throttle Ov reference signal ig ae p xc x gt L x po white NW Communicates battery amp control board information up to 10v
16. 25 4 in 645 mm 29 in 737 mm 33 in 838 mm 28 in 711 mm 34 in 864 mm C 35 7 in 908 mm 41 3 in 1 051 mm 46 6 in 1 185 mm 41 3 in 1 051 mm 46 6 in 1 185 mm 6 Nobles Speed Scrub 9002377 REV 00 08 06 Commonly Used Electrical Symbols amp Terms NOTE The term NORMALLY refers to the components at rest or de energized position 4 Jih n lt o Wires Connected Wires Not Plug in TM Together Connected Together Gannechiah Battery Circuit Breaker Fuse ve N Normally Open Normally Open Normally Closed Normally Open Normally Closed Diode Switch Momentary Switch Limit Switch Limit Switch Push Button Switch Push Button Switch Normally Open n Closed VI Relay Coil Solenoid Valve FERA Part 1 of Relay Relay Contacts Part 2 of Relay or 2 otor otentiometer 1 1 3 2 i A A Sain Indicates Movement Indicates Component in Indicates Component Assembly Information Warning from Normal Position Position Other than Normal is Energized Terms amp Abbreviations AC Alternating Current BDI Battery Discharge Indicator CB Circuit Breaker CR Relay Contact Type LED Light Emitting Diode M Motor PWM Pulse Width Modulation A method of using controlled on off times to regulate voltage and current to an electrical device Standoff A common connecting point for multiple wires Example of Wiring Numbers amp Colors Wiring Color Codes Unless
17. acid batteries to prevent corrosion and check for loose battery cable connections See BATTERY MAINTENANCE 15 Recharge the batteries Figure 70 after a total of 30 minutes of use or more FIG 72 3 Inspect and clean the recovery tank cover seal Figure 73 Replace if damaged I 1 FIG 73 4 Lubricate all pivot points and rollers with a water resistant grease FIG 70 MONTHLY MAINTENANCE 5 Lubricate the casters with a water resistant grease 1 Remove the solution tank filter from underneath the Figure 74 machine and rinse out the screen Figure 71 Make sure the solution tank is empty before removing filter FIG 74 6 Clean the parking brake clamp with a cleaning solvent 7 Check the machine for loose nuts and bolts Nobles Speed Scrub 9002377 REV 00 08 06 17 Speed Scrub Maintenance Page 11 of 16 8 Check the machine for leaks SQUEEGEE BLADES BATTERY MAINTENANCE Wet lead acid batteries When the blades become worn simply rotate the blades end for end or top to bottom to a new wiping 1 Check battery fluid level frequently to prevent edge Replace blades when all edges are worn battery damage The fluid should be at the level shown Figure 75 Add distilled water if low DO The front blades on the 28 in 700 mm and 32 in NOT OVERFILL the fluid may expand and 800mm squeegee assemblies have 12 14 slots on one overflow when charging edge and 6 slots on the
18. back of scrub head measure the distance from the top edge of scrub FIG 50 head Ion Oo To Inspect the Brush Pattern 1 Position the machine on a dry dusty floor or apply a powdered substance such as chalk 2 Disconnect the drive motor wire connector to keep machine from moving forward Figure 51 FIG 48 4 If scrub head is not level loosen the lock nut and turn the scrub head leveling screw to level Tighten down the lock nut once head is level Figure 49 FIG 51 3 Lower the scrub head to the floor and apply maximum brush pressure Shut off the solution flow Pull the triggers to create a brush pattern on the floor Raise the scrub head and pull the machine away ees 7 Observe the brush pattern on floor If the brush pattern is uneven or tapered adjustment is required 8 Reconnect drive motor wire Nobles Speed Scrub 9002377 REV 00 08 06 13 Speed Scrub Maintenance Page 7 of 16 To Adjust an Uneven Brush Pattern To Adjust a Tapered Brush Pattern Tools required Measuring device 1 1 16 in 27 mm Tools required 3 8 in 10mm wrench and 6mm hex wrench and 15 16 in 24mm wrench wrench 1 Measure the distance from the front edge of the 1 Raise the scrub head off floor and remove key scrub head to the floor and from the back edge of the scrub head to the floor Figure 52 The 2 Remove the idler plate from the brush igure 54 measurements should be the same FIG 5
19. opposite edge Figure 77 If making sharp turns with the cylindrical brush models use the 12 14 slotted edge for maximum water pickup 6 Slots on one edge 12 14 Slots on opposite edge CORRECT BATTERY FLUID LEVEL FIG 77 e After Charging Replacing Squeegee Blades 1 Loosen the band clamp and remove the band from the squeegee assembly Figure 78 ns 5 E TAN _ Wa mS MY 1 EM u DU d D r LEM mra M i i n i J j 1 FIG 75 AX WARNING Fire Or Explosion Hazard Batteries Emit Hydrogen Gas Keep Sparks And Open Flame Away Keep Battery Compartment Open When Charging 2 Clean the batteries to prevent battery corrosion Use a scrub brush with a mixture of baking soda and water Figure 76 FIG 78 FOR SAFETY When cleaning batteries wear protective gloves and eye protection Avoid contact with battery acid 18 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Maintenance Page 12 of 16 2 Replace or rotate the rear blade to a new wiping edge and replace band Figure 79 FIG 79 3 To change the front blade remove the band and loosen the four knobs Replace or rotate the front blade to a new wiping edge Figure 80 MOTOR MAINTENANCE Contact an Authorized Tennant Service Center for carbon brush replacement A WARNING Electrical Hazard Disconnect Battery Cables Before Servicing Machine Nobles S
20. 35 ft 72 m per min PRODUCTIVITY RATE 26 400 ft 30 800 ft 35 200 ft 28 600 ft 35 200 ft Theoretical 2 450 m h 2 860 m2 h 3 270 m h 2 660 m2 h 3 270 m2h PRODUCTIVITY RATE 17 875 ft 20 800 ft 24 000 ft 19 200 ft 24 000 ft Estimated Actual 1 660 m h 1 930 m h 2 230 m h 1 785 m h 2 230 m h CLEANING PATH WIDTH 24 in 600 mm 28 in 700 mm 32 in 800 mm 26 in 650 mm 32 in 800 mm BRUSH DIAMETER 11 9 in 302 mm 13 9 in 353 mm 15 9 in 404 mm 5 9in 151 mm 5 9 in 151 mm BRUSH PRESSURE up to 120 Ib 54 kg SOLUTION FLOW RATE 5 gpm E T 6 gpm 6 gpm m 1 min 1 89 L min gp 2 27 L min 2 27 L min SQUEEGEE WIDTH 35 7 in 908 mm 41 3 in 1 051 mm 46 6in 1 185mm 41 3 1 051 mm 46 6 in 1 185 mm standard standard standard standard standard 31 5 in 800 mm 35 7 908 mm 41 3in 1 051 mm 35 7 in 908 mm 41 3 in 1 051 mm narrow aisle narrow aisle narrow aisle narrow aisle narrow aisle Qty 2 75 hp 55 kW 220 rpm 24 V 29 A Qty 2 63 hp 47 kW 1500 rpm 24V 23A 85 hp 63 kW 640 W 3 stage 5 7 24 V 26 A 62 in 55 mm 69 ft 32 413 m BRUSH MOTOR VACUUM MOTOR WATER LIFT AIR FLOW Qy4 6V WET lead Acid 235 20h rate Sealed Gel 200 Ah 9 20 h rate WET Up to 5 0 hours Gel Up to 4 0 hours 120 VAC 10 A 50 60 Hz 24 VDC 20 A output TOTAL POWER CONSUMPTION 50 A nominal VOLTAGE DC 24 VDC PROTECTION G
21. 39 Speed Scrub Propel Reverse System CONDITIONS Key ON reverse propel engaged 6 VD VD VD VDC 6 VDC 6 VDC 6 1 RED fe ff 13 BLK PROPEL MOTOR REVERSE 32 5V REFERENCE OV REFERENCE SIGNAL INPUT 3 B SPEED LIMITER POTENTIOMETER DIRECTION SWITCH REVERSE e RECOVERY TANK Y I ME PROPEL INTERLOCK SWITCH Wiring Color Codes Unless otherwise marked ic Most Digit Color of Wire of Wire Number Tan o LEFT TRIGGER Riese 3 oOrange Battery voltage is always present even with Key OFF eee The Propel Motor M4 is controlled by PWM A h 4 Yellow nm MM MEE N Be cautious when working near Control Board 8 Gray igher duty cycle will result in higher travel speed 7 9 we 12 07970 O a r aa E E E Battery Negative or Logic Ground m Battery Positive or Logic High functions will be disabled when Key Switch is turned ON If Charger Plug is connected battery charger ALL machine 40 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Scrub Brushes CONDITIONS Key ON Scrub Head lowered for cleaning propel engaged 6 VD VD VD VD 6 VDC 6 VDC 6 VDC 1 RED 13 BLK SCRUB TRANSPORT BRUSH SWITCH INTERNAL TO CONTACTOR SCRUB HEAD ACTUATOR TPAR OG 4 Fat icd RIGHT BRUSH 118 P
22. 4 FIG 52 3 Hold the brush plug shaft with a wrench and loosen 2 level the scrub head loosen the lock nut and the 6mm hex SEIN Figure 55 turn the leveling screw clockwise to lower the rear T UYUNI of the scrub head or counter clockwise to lower the front Figure 59 FIG 55 4 To lower the brush end turn the shaft clockwise for the front brush and counter clockwise for the rear FIG 53 brush Retighten hex screw Figure 56 3 Recheck brush pattern NOTE Replace brush when bristles are worn to 5 8 15 mm FIG 56 5 Recheck brush pattern NOTE Replace brushes when bristles are worn to 5 8 in 15 mm 14 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Maintenance Page 8 of 16 MACHINE MAINTENANCE To keep the machine in good working condition it s important that the following maintenance procedures are performed on a routine basis A WARNING Electrical Hazard Disconnect Battery Cables Before Servicing Machine DAILY MAINTENANCE After Every Use 1 Drain the recovery tank Figure 57 2 Rinse out the recovery tank Figure 58 FIG 58 3 Remove the recovery tank float shut off screen and clean Figure 59 FIG 59 Nobles Speed Scrub 9002377 REV 00 08 06 4 Drain the solution tank Figure 60 5 Cylindrical Brush Model FIG 62 7 Inspect the cylindrical brushes for wear Rotate brushes from front to rear eve
23. Avant l Entretien BATTERY CHARGE LABEL Located on bottom side of recovery tank WARNING Fire Or Explosion Hazard Batteries Emit Hydrogen Gas Keep Sparks And Open Flame Away Keep Battery Compartment Open When Charging SPINNING BRUSH LABEL Located on scrub head Awwarnine Spinning Brush Keep Hands Away Turn Off Power Before Working On Machine 8 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Maintenance Page 2 of 16 BATTERY INSTALLATION SQUEEGEE REMOVAL amp INSTALLATION EMBLY A WARNING Fire Or Explosion Hazard REMOVING SQUEEGEE ASS Batteries Emit Hydrogen Gas Keep Sparks And 1 Park the machine on a level surface remove the Open Flame Away Keep Battery Hood Open When key and set the parking brake if equipped Charging 2 Lift the squeegee lift lever to the upward position FOR SAFETY When installing batteries wear Figure 3 protective gloves and eye protection Avoid contact with battery acid Battery Specifications Four 6 volt 235A 20h deep cycle batteries Maximum battery dimensions 7 5 in 190 mm W x 10 8 in 275 mm L x 11 2 in 284 mm H 1 Park the machine on a level surface remove the key and set the parking brake if equipped 2 Carefully install the batteries into the battery compartment tray Figure 1 Arrange the battery posts as shown Figure 2 FIG 3 3 Remove the vacuum hose from the squeegee assembly Note loop and clip on hose Fig
24. GING BATTERIES eae 9 Battery Charger Specifications 9 On Board Battery Charger Settings 9 Using the On Board Battery 10 On Board Battery Charger Error Codes 11 Using an Off Board Battery 11 ADJUSTING SCRUB HEAD BRUSHES 12 DISK Brus MOG lace 12 Cylindrical Brush Model 12 Adjusting an Uneven Brush Pattern 13 Adjusting a Tapered Brush Pattern 13 MACHINE MAINTENANCE 14 Dal kawa 14 Monthly Maintenance sere IRI ose MALUS 16 Battery Maintenance 17 Squeegee 0 20 27 27 7 7 17 Motor Maintenance 18 FaST System Maintenance 18 JACKING U
25. ITCH 54 YEL 8 GRY REMOVED WI ON BOARD 6 BLU SOLUTION VALVE CHARGER OPTION CHARGER E SAFETY SWITCH OF ueri gt 37 PUR ee n2 97774 51 FaST RELAY 1 RED 22 BRN 477 16 BLU A 17 PUR F2 30 AMP HOUR METER 27 PUR VACUUM SWITCH 64 YEL b SQUEEGEE LEVER ACTUATED UP 13M BLK 11 PINK D 13K BLK 48 GRY ACTUATOR RELAY 136 BLK SP 13H BLK DIRECTION BATTERY W DISCHARGE SWITCH INDICATOR 34 YEL REVERSE 31 PINK p gt l PINK I3F BLK NV RECOVERY TANK PROPEL i 9 WHI LOW VOLTAGE Ay SPEED INTERLOCK SWITC FORWARD INTERLOCK ree 39 WHT SETTING POTENT I OMETER 9 LEFT TRIGGER 49 52 WH BRN 32 BRN RIGHT TRIGGER dite hi a a i VACUUM FAN 74 YEL RELAY 13H BLK Cr 25 AMP 2 BRN 4 12 BRN 59 WHT BL lt lt gt gt BRUSH PRESSURE N CR RIGHT BRUSH pu MOTOR 25 AMP 42 BRN gt 33 ORG BLK lt lt gt gt CBS LEFT BRUSH Cree 25 AMP MOTOR LA RED 10 TAN 20 13C BLK lt lt gt RETRACT LIMIT x ACTUATOR 10 AMP 1G RED 73 GRY 38 GRY 7 40 TAN 9 BLK lt lt r lt lt gt f 68 GRY SCRUB DECK BLK KH K ACTUATOR MOTOR A ge is E 9 gt M 68A GRY 5 26 BLU EXTEND LIMIT INTERNAL TO ACTUATOR LOWER EXTERNAL LOWER LIMIT SWITCH BLK WAND PUMP PUMP 7 5
26. LOSED Fully Extended DOWN CLOSED CLOSED OPEN OPEN Guy 7 9 Wwe Retracting RAISING Extending LOWERING E E E Battery Negative or Logic Ground mam Battery Positive Scrub Transport Switch closes when actuator is extended 2 50mm or more or Logic High Nobles Speed Scrub 9002377 REV 00 08 06 45 Speed Scrub Scrub Head Actuator RAISE Retract CONDITIONS Key ON scrub head raise switch activated 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK ff ff G BRUSH SCRUB TRANSPORT CONTACTOR SWITCH INTERNAL TO SCRUB HEAD ACTUATOR 27 27 RAISE LIMIT SWITCH CHARGER EMERGENCY KEY SAFETY STOP SWITCH SWITCH SWITCH AGRUNTOR _ T TA SHOWN IN OPERATION DURING idis 2 2550 RAISING OF SCRUB HEAD 1RED 78 38 40 _ 408 RAISE EXTERNAL 13 BLK LOWER LIMIT INTERNAL 4 SWITCH SWITCHES 56 68 56 68 Wiring Color Codes Unless otherwise marked of Wire Number O Tan Pink scrub Head Actuator Logic Chart 4 Yell 4 Yellow Scrub Raise Lower Lower 6 Transport Limit Limit Limit ully Retracted UP OPEN OPEN CLOSED CLOSED Fully Extended DOWN CLOSED CLOSED OPEN OPEN Guy 7 9 Wwe Retracting RAISING Extending LOWERING E E E Battery Negative or Logic Ground
27. Off Aisle Wand on off Switch option FaST System on off Switch option Main Power on off Key Switch Hour Meter speed Scrub Component Locator Page 2 of 4 CONTROL BOARD AND CIRCUIT BREAKERS RECOVERY TANK INTERLOCK SWITCH VACUUM FAN i E MOTOR M3 4 E j ne y i y a T F LI f i ee M FaST PUMP MOTOR M6 2 Nobles Speed Scrub 9002377 REV 00 08 06 speed Scrub Component Locator Page 3 of 4 MOTOR 1 MoTOR MOTOR CYLINDRICAL SCRUB M2 DISK SCRUB BRUSH MOTORS BRUSH MOTORS ACTUATOR SCRUB TRANSPORT SWITCH ACTUATOR RAISE LIMIT SWITCH ACTUATOR LOWER LIMIT SWITCH SCRUB HEAD ACTUATOR M5 SCRUB HEAD ACTUATOR M5 Nobles Speed Scrub 9002377 REV 00 08 06 speed Scrub Component Locator Page 4 of 4 ON BOARD CHARGER lt Tn 2 VACUUM FAN PR Mo SWITCH 6 5 CD CHARGER INTERLOCK SWITCH OFF BOARD CHARGER CONVENTIONAL SOLENOID VALVE CONTROL BOARD STANDOFF CIRCUIT BREAKERS BRUSH CONTACTOR CR1 RELAYS 100A FUSE F1 STANDOFF CONTROL BOARD FUSE amp CIRCUIT BREAKERS 4 Nobles Speed Scrub 9002377 REV 00 08 06 MACHINE SPECIFICATIONS 24 in 600mm 28 in 700mm 32 in 800mm 26 in 650mm 32 in 800mm 27 gal 1051 SOLUTION TANK CAPACITY 22 5 gal 85 L DRIVE SYSTEM Transaxle 24 V 25 hp 19 kW TRAVEL SPEED MAXIMUM Cleaning 2201 67 m permin Transporting 2
28. P MACHINE Guba 19 TRANSPORTING 0100000 02 19 STORING MACHINE Sune Neth h D Ses 19 FaST System Freeze Protection 19 RECOMMENDED STOCK ITEMS 20 BASIC TROUBLESHOOTING Q heap diuites 21 ELECTRICAL Electrical Schemialle serenas cede cater 23 Wining Flarmess Deal a iade 24 Control Board amp BDI Details 30 Control Board amp BDI Pin Charts suu u apas aqa 31 BDI Diagnostic Fault Indicators 32 Electrical Symbols amp Terms 33 Key OFF Power Distribution Off Board Charger Disconnected 34 Key OFF Power Distribution Off Board Charger Connected 35 Key OFF Power Distribution On Board Charger Disconnected 36 Key OFF Power Distribution On Board Charger Connected 37 Key ON Power Distribution 38 Propel Forward SySI efYl aqa E A 39 Propel Reverse System
29. PUMP MOTOR M6 eee ee BATTERY DISCHARGE INDICATOR 54 54 4 14 i 24 34 34 0 CHARGER EMERGENCY KEY 0 SAFETY STOP SWITCH Wiring Color Codes SWITCH 64 5 BLK 13 BLK Unless otherwise marked ACTUATOR Pink Be cautious when working near Control Board Battery voltage is always present even with Key OFF mmi 7 2 8 Gray If Charger Plug is connected to battery charger ALL machine i 9 White functions will be disabled when Key Switch is turned ON i 22 T p s aso massa as SSE KS em or Logic Ground mm Battery Positive or Logic High 34 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Key OFF Power Distribution With Standard Off Board Battery Charger CONDITIONS Key OFF off board battery charger CONNECTED to charger plug 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK 10 5 af A 4J ss 1 CONTROL BOARD i z TO CIRCUIT BREAKER CB1 1 RED TO CIRCUIT BREAKER CB2 10 TO CIRCUIT BREAKER CB3 54 CR2 TO CIRCUIT BREAKER CB4 CR3 1 RED F3 7 5A CRA 1 RED 18 28 TO FaST PUMP MOTOR M6 54 54 CHARGER i BATTERY i e SAFETY DISCHARGE SWITCH e INDICATOR e 54 4 14 1 9 2 9 13 BLK Unless otherwise marked RELAY 2 N B
30. RADE IPX3 DECIBEL RATING AT OPERA TOR S EAR INDOORS VIBRATION AT CONTROLS ACCELERATION RATE ON OPERATOR MAX GRADE LEVEL MAX Scrubbing 5 3 Transporting 896 5 67dBA 68dBA 39 ft s 4 1188 m s 34 ft s lt 103 m s 56 ft 179 m s Run times are based on Continuous Scrubbing Run Times Sound levels ISO 11201 as recommended by the American Association of Cleaning Equipment Manufacturers AACEM and OSHA Nobles Speed Scrub 9002377 REV 00 08 06 24 in 600mm 28 in 700mm 32 in 800mm 26 650mm 32 in 800mm PRODUCTIVITY RATE 20 075ft 22 750ft 26 250ft 21 000ft 26 250ft Estimated Actual 1 865m h 2115m2 h 2440m h 1950m2 h 2440m h SOLUTION PUMP 24 Volt DC 3 5 A 1 5 5 6 L min open flow 60 psi 4 13 Bar bypass setting SOLUTION FLOW RATE 0 15 gpm 0 15 0 22 gpm 0 57 L min 0 22 0 83 L min 0 57 L min 0 83 L min CONCENTRATE FLOWRATE 0 019302 0 019302 0 02802 m UU 0 0280z 0 8800 min Cin 98805 min CONCENTRATE TO WATER e DILUTION RATIO MACHINE DIMENSIONS 44 in 1 120 mm Lh ON ps qe PS pl B i A n 0 AHL 4 s Cg nFv r Models 24 in 600 mm 28 in 700 mm 32 in 800 mm 26 in 650 mm 28 in 800 mm Disk Disk Disk Cylindrical Cylindrical A 53 4 in 1 357 mm 55 5 in 1 408 mm 58 in 1 471 mm 55 in 1 399 mm 55 in 1 399 mm B
31. RESSURE CB1 MOTOR 81 gt 59 4 13 BLK 13 BLK 1 RED CB2 25A 33 i 13 BLK 13 BLK Wiring Color Codes LEFT BRUSH Unless otherwise marked MOTOR Right Most Digit color of Wire of Wire Number Tan 5 7 777777775555555555555255 5 5 5 22 Be cautious when working near Control Board Battery voltage is always present even with Key OFF 22 A a f Charger Plug is connected to battery charger ALL machine functions will be disabled when Key Switch is turned ON 6 Blue a The Scrub Transport Switch closes when the Scrub Head Actuator extends lowers 2 50mm or more ray 9 white Mee MEM T The Brush Pressure Gauge monitors u u mE m m Battery Negative or Logic Ground current on the Right brush motor only mam Battery Positive or Logic High Nobles Speed Scrub 9002377 REV 00 08 06 41 Speed Scrub Vacuum Fan System CONDITIONS Key ON Squeegee lowered 6 VD VD VD VD 6 6 6 1 RED 13 BLK ibi 4 uf nf A 4 VACUUM FAN 54 54 e SWITCH Ba 54 4 14 M b CHARGER EMERGENCYe KEY 7 SAFETY STOP SWITCH SWITCH SWITCH VACUUM FAN i RELAY 25A 1RED e e i110 SN 20 13 BLK 13 BLK 2 21 VACUUM FAN
32. e cautious when working near Control Board 5 6 E i p lo 34 34 0 f EMERGENCY KEY STOP SWITCH Wiring Color Codes SIEGE 64 BLK 5 Battery voltage is always present even with Key OFF EE WRIT CEN 7 C an 8 Gray 7 9 Wie 3 10 088 Battery Negative or Logic Ground m Battery Positive or Logic High If Charger Plug is connected to battery charger ALL machine i functions will be disabled when Key Switch is turned ON Nobles Speed Scrub 9002377 REV 00 08 06 35 Speed Scrub Key OFF Power Distribution With Optional On Board Battery Charger CONDITIONS Key OFF On Board battery charger NOT CONNECTED to AC power 6 VDC 6 VDC 6 VDC 6 VDC RED 1 RED 13 BLK JD gt of nf 4 4 F1 100A F2 Pre saa BOARD 1 RED 22 22 13 BLK TO CIRCUIT BREAKER CB1 1 RED TO CIRCUIT BREAKER CB2 CR2 IER 10 TOCIRCUIT BREAKER CB3 E TO CIRCUIT BREAKER CB4 1 RED TO FUSE F4 7 5A CRA du 18 28 TO FaST PUMP MOTOR M6 54 1 I BATTERY i DISCHARGE ON BOARD INDICATOR CHARGER 14 24 34 EMERGENCY KEY RED STOP SWITCH SWITCH O T Wiring Color Codes ACTUATOR Unless otherwise marked BLACK RELAY Right Most Digit color of Wire a d CORD 0 NOT CONNECTED TO AC
33. eck the connections to the battery The propel motor has an open connection Check all the connections and wires between the motor and the control board Test motor for open circuit The propel motor has a short circuit Check all the connections and wires between the motor and the control board Test motor for short circuit The voltage level of the batteries has fallen below the Battery Lockout Level and the control board is inhibiting certain machine functions Charge the batteries A control board fault is indicated Make sure that all connections are secure An excessive voltage has been applied to the controller This is usually caused by a poor battery connection Check all battery connections The controller has entered sleep mode Switch the control system off and then on again A throttle fault is indicated Make sure that the forward and reverse switches are released before switching on the machine or check all connections and wires from the switches to the control board 33 Speed Scrub Key OFF Power Distribution With Standard Off Board Battery Charger CONDITIONS Key OFF off board battery charger NOT CONNECTED to charger plug 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK 0 0 L D CONTROL BOARD i TO CIRCUIT BREAKER CB1 1 RED TO CIRCUIT BREAKER CB2 10 TO CIRCUIT BREAKER CB3 54 CR2 TO CIRCUIT BREAKER CB4 CR3 1 RED F3 7 5A CRA 1 RED 18 28 TO FaST
34. itch is turned ON A E H E RE Battery Negative Sen oe Ce Sa ae eee or Logic Ground mm Battery Positive or Logic High 38 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Propel Forward System CONDITIONS Key ON forward propel engaged 6 VDC 1 RED 13 BLK 4 53 1 5 PROPEL MOTOR FORWARD 32 5V REFERENCE ov REFERENCE SIGNAL INPUT 3 SPEED LIMITER POTENTIOMETER DIRECTION SWITCH 31 REVERSE I RECOVERY TANK PROPEL INTERLOCK i asal SWITCH TRIGGER SWITCH Wiring Color Codes E otherwise marked 52 49 Only one trigger switch needs to be 2006600 closed to propel machine forward LEFT ee TRIGGER SIG 4 Yellow OA GS n Yellow 1 Be cautious when working near Control Board Battery voltage is always present even with Key OFF 6 Blue The Propel Motor M4 is controlled by PWM A 8 Gray higher duty cycle will result in higher travel speed 7 9 wu 12 07970 teet etin TEREE U If Charger Plug is connected to battery charger ALL machine or Logic Ground Battery Positive functions will disabled when Key Switch is turned or Logic High Nobles Speed Scrub 9002377 REV 00 08 06
35. nk filter Drain solution tank Remove solution tank filter clean and reinstall Clogged detergent orifice filter screen Replace orifice filter screen See FaST SYSTEM MAINTENANCE Clogged FaST solution inlet filter Contact Service Center FaST Pump fuse blown Replace 7 5A fuse Nobles Speed Scrub 9002377 REV 00 08 06 23 Speed Scrub Electrical Schematic CHARGER 138 BLK PLUG RED gt BLK a ESSE l l 24 VDC 1 1 BLK ges ee eae ee 24 YEL n 4 BLK 4 YE lt lt E i 1 i 1 1 ES EE UP BLU 25 GRN GRN J 26 BLU 100 PENES CEN gt gt as 1 SPS SCRUB TRANSPORT SWITCH BRUSH CONTACTOR N INTERNA ACTUATOR miri KEY SWITCH E CONVENT IONAL 47 PUR aces HARNESS amp 14 YEL A j CHARGER SAFETY SW
36. nt shroud RECOMMENDED STOCK ITEMS Refer to the Parts List Manual for recommended stock items Stock Items are clearly identified with a bullet preceding the parts description See example below 26 1017380 00000000 je Hgg Drain Assy 1 5d X 29 51 Blk Fle 27 1008639 00000000 ain Assy 26 1019563 Q0000000 j Strap Drain Cap 29 1008637 Q0000000 Je Ring 1 48 19 1 76 Od M 3 Reconnect the supply hose to injector assembly and pour a recreational vehicle RV anti freeze into the supply hose until full Figure 88 FIG 88 4 Operate the FaST system as normal until the foaming stops This step could take anywhere from 5 10 minutes 5 Remove the valve coupling and connect the storage plug Figure 89 FIG 89 6 Drain the recovery and solution tanks and store machine Nobles Speed Scrub 9002377 REV 00 08 06 21 Speed Scrub Maintenance Page 15 of 16 TROUBLESHOOTING Faulty scrub head up down switch cylindrical brush model 22 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Maintenance Page 16 of 16 TROUBLESHOOTING Continued PROBLEM CAUSE SOLUTION Poor water pickup Recovery tank is full or excessive foam Drain recovery tank buildup Loose drain hose cap Tighten cap Clogged float shut off screen located Clean screen recovery tank Clogged FaST PAK supply hose or con Soak warm water to unclog nectors Clogged solution ta
37. otherwise marked A a S Y 76 Blue 778 Gray _ 7 9 white Nobles Speed Scrub 9002377 00 08 06 7 Speed Scrub Maintenance Page 1 of 16 SAFETY LABELS The safety labels appear on the machine in the locations indicated Replace labels if they are missing or become damaged or illegible WARNING LABEL Located on recovery tank cover EXPLOSION PRE AND SHOCK RISQUE D EXPLOSION D INCENDIE be DE EXPLOSI N FUEGO HAZARD AVOID INJURY ET DE DECHARGE VITEZ LES SCARGA EVITE LESIONE a Da Douce er Pick Up Flammable BLESSURES i Use O Recoja Materiales MN Materials N utilisez Pas ou Ramassez Pas de Na Use Cerca De Liauidas Flamables Da Not Usa Near Flammable Liquids Mat riaux inflammables Vapares O Materiales Combustibles Vapors of Combustible Dusts N utilisez Pas Pres de Liquides Vapeurs Mantanga Chispas Y Fuego Alejades Keep Spates and ngan lia dog ou Poussi res Inflammables Mientras Baterias Mantenga Tapa Charging Batteries Eloignez les Sources d tincelles au de De Bateria Ablerta Mientras Carga Open When Charging Flamma Ouverte Lors du Chargement des Desconacta Cable De Bateria Y Cable Dal Disconnect Battery Cables and Charger Batteries Laissez Quvart la Capot du Cargador Antes Del Mantenimiento Cord Before Servicing Compartiment des Batteries Lors de la Nise en Charga Debranehez les Cables de Battaria et la Cordon du Chargeur
38. peed Scrub Maintenance Page 4 of 16 To change the setting unplug the charger peel up the corner of the display label and set the switches accordingly Fig 42 The charger cord must be unplugged when resetting FIG 42 USING THE ON BOARD BATTERY CHARGER IMPORTANT Before charging make sure that the charger setting is properly set for your battery type See ON BOARD CHARGER SETTINGS 1 Transport the machine to a well ventilated area 2 Parkthe machine on a flat dry surface Turn the key off and set the parking brake if equipped If charging wet lead acid batteries check the fluid level before charging See BATTERY MAINTENANCE 4 Prop up the recovery tank for ventilation Figure 43 5 QConnect the charger s AC power supply cord into a properly grounded receptacle Figure 44 Nobles Speed Scrub 9002377 REV 00 08 06 NOTE The machine will not operate when charging FIG 44 6 The charger will display a sequence of codes once the cord is connected Figure 45 Three digits the following code A Charging current U Battery voltage h Charging time C Charging ampere hours Ah E Energy used Kwh GEL or Acd Battery type the charger is currently set for Before charging make sure your battery type matches the display GEL Sealed Acd Wet lead acid To change setting see ON BOARD CHARGER SETTINGS Press the arrow button to review the codes wes
39. peed Scrub 9002377 REV 00 08 06 FaST SYSTEM MAINTENANCE Every 1000 hours replace the orifice plate and filter screen located inside the detergent injector assembly 1 access the detergent injector assembly lower the scrub head and remove the front shroud Figure 81 ad f ER d FIG 81 2 Remove the injector assembly from clamps Figure 82 19 Speed Scrub Maintenance Page 13 of 16 JACKING UP MACHINE Use the designated locations to jack up the machine for service Figure 84 Empty the recovery and solution tank and position the machine on a level before jacking FOR SAFETY When servicing machine jack machine up at designated locations only Use jack or hoist that will support machine weight FIG 84 TRANSPORTING MACHINE When transporting the machine by trailer or truck be certain to follow the transporting procedure below 1 Drain machine tanks 2 Load the machine using a ramp that can support the machine weight and person loading it The maximum ramp incline should not exceed 11 at a ramp length of 3 7m 12 ft 3 Position the front of machine up against the front of the trailer or truck Lower the scrub head and squeegee 4 Set the parking brake if equipped and place a block behind each wheel to prevent the machine from rolling 5 Secure with tie down straps as shown Figure 85 It may be necessary to install tie down brackets to trailer or truck
40. ry 50 hours Figure 63 Replace when worn to a length of 5 8 in 15 mm 15 Speed Scrub Maintenance Page 9 of 16 Cylindrical Brush Model FIG 63 8 Remove debris buildup from the underside of the 11 Clean the machine with an all purpose cleaner and cylindrical brush scrub head including the idler damp cloth Figure 67 ANG evens Figure 93 FOR SAFETY When cleaning machine do not power spray or hose off machine Electrical malfunction may occur Cy indrical Brush Model A es FIG 64 9 Wipe the squeegee blades clean Figure 65 Store the squeegee assembly in the raised position to prevent blade damage 12 Inspect the condition of the scrub head skirt replace if worn or damaged Figure 68 FIG 65 10 Check the condition of the squeegee blade wiping FIG 68 edge Figure 66 Rotate blade if worn See SQUEEGEE BLADES 16 Nobles Speed Scrub 9002377 REV 00 08 06 Speed Scrub Maintenance Page 10 of 16 13 FaST Model Connect the FaST PAK supply hose 2 Check the cylindrical brush belt tension every 100 to the storage plug when not in use Figure 69 hours Figure 72 Belt tension should flex 0 1 in Remove any dried concentrate from the hose 3mm at midpoint with 2 5 2 7 Ib 1 13 1 22 kg connector by soaking it in warm water force A WARNING Electrical Hazard Disconnect Battery Cables Before Servicing Machine FIG 69 14 Clean wet lead
41. t even with Key OFF mnm E NM INIT 6 Bue_ The battery charger uses normally closed relay to send a signal to the control board the relay opens 8 Gray when the charger is plugged in to AC power ie Hee mae AC Power HE Battery Negative If On Board Charger is connected to AC or Logic Ground power ALL machine functions will be disabled when Key Switch is turned Nobles Speed Scrub 9002377 REV 00 08 06 37 Speed Scrub Key ON Power Distribution CONDITIONS Key ON CRI TO CIRCUIT BREAKER CB1 TO CIRCUIT CR2 BREAKER CB2 TRER 10 TO CIRCUIT BREAKER CB3 1 RED 54 000000 0 13 BLK 54 4 14 2 CHARGER EMERGENCYe KEY SAFETY STOP SWITCHe SWITCH SWITCH En k d 38 TO CIRCUIT BREAKERCBA Z M 78 e 58 TOFUSEF4 gt BATTERY i 28 TOFaST PUMP MOTOR M6 k e 1RED 75A CR4 DISCHARGE 18 1 RED INDICATOR Wiring Color Codes Unless otherwise marked of Wire Number 0 Tan Pink Orange x t 13BLK ACTUATOR RELAY 5 2 Be cautious when working near Control Board Battery voltage is always present even with Key OFF Blue MEN 8 Gray If Charger Plug is connected to battery charger ALL machine 9 White functions will be disabled when Key Sw
42. ure 4 FIG 1 3 Connect the battery cables to the battery posts as FIG 4 shown Figure 2 RED TO POSITIVE and 4 L iba knobs andislid bl BLACK TO NEGATIVE Loosen the knobs and slide squeegee assembly away from pivot bracket Figure 5 235 A 20Ah Machine Front FIG 5 5 Installation is in reverse order of removal FIG 2 Nobles Speed Scrub 9002377 REV 00 08 06 9 Speed Scrub Maintenance Page 3 of 16 6 Check the squeegee blades for proper deflection The blades should deflect as shown Figure 6 To adjust the blade deflection place the squeegee assembly on a level surface and adjust the casters as shown Figure 7 FIG 7 CIRCUIT BREAKERS AND FUSES The machine is equipped with four resettable circuit breakers and four fuses to protect the machine from damage If a breaker should trip determine the cause allow the motor to cool then manually reset the circuit breaker button The circuit breaker panel is located near the battery compartment Figure 29 The fuses are located inside the circuit breaker box When replacing a fuse never substitute a higher Amp rated fuse than specified CIRCUIT BREAKERS 10 A Main A 25 A Vacuum motor 25 A Left brush motor C 25 A Right brush motor D FUSES 100 A Main 30 A Propel motor 7 5 FaST system 7 5 A Off aisle wand pump located in control console 10 CHARGING BATTERIES ATTENTION

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