Tennant R14 Service Information Manual
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Tennant R14 Service Information Manual

Dual technology rider carpet cleaner
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See also: Operator's Manual
R14
Dual Technology Rider Carpet Cleaner
Service Information Manual
R
More than clean, it's ReadySpace.
R
Hygenic
R
Fully Cleanable Tanks
1032129
North America
Rev. 01 (12-2006)
*1032129*
www.tennantco.com

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Summary of Contents for Tennant R14

  • Page 1 Dual Technology Rider Carpet Cleaner Service Information Manual More than clean, it’s ReadySpace. Hygenic Fully Cleanable Tanks 1032129 North America Rev. 01 (12-2006) *1032129* www.tennantco.com...
  • Page 2 2. (B) Identify the machine serial number from the data label. Refer to the Tennant Parts Manual NOTE: Only use TENNANT Company supplied or equivalent parts. Parts and supplies may be ordered online, by phone, by fax or by mail.

  • Page 3: Table Of Contents

    R14 Service Information Manual Table of Contents page SAFETY WARNINGS…………………………………………………..…………………………………… iv MACHINE INFORMATION Component Locator Charts Control Panel Details…………………………………………………..…………………… 1 Battery Compartment Area Details…………………………………………………..…… 2 Rear Machine Area Details…………………………………………………..……………3 Underside Details…………………………………………………..………………………4 Machine Specifications…………………………………………………..………………………… 5 Machine Dimensions…………………………………………………..…………………………… 6 MAINTENANCE Circuit Breakers / Fuses……………………………………………………………………………7 Charging Batteries…………………………………………………………………………………...
  • Page 4 R14 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...

  • Page 5: Control Panel Details

    R14 – Component Locator (Page 1 of 4) Control Panel Details Recovery tank full indicator Solution tank Battery charge empty indicator level indicator Vacuum hose Fault connection indicator indicator Propel speed selection button ReadySpace Brush pressure S2 Horn S1 Emergency stop...

  • Page 6: Battery Compartment Area Details

    R14 – Component Locator (Page 2 of 4) Battery Compartment Area Details SW2 Seat Switch CB2 15A U2 Throttle/ Circuit Breaker Brake Sensor U1 Control Board FRONT H1 Hour CB1 5A Circuit Meter Breaker F1 100A Fuse Batteries F4 7.5A Fuse...

  • Page 7: Rear Machine Area Details

    R14 – Component Locator (Page 3 of 4) Rear Machine Area Details SW4 Solution Tank Empty Switch FRONT MTR4 & MTR9 Vacuum Fan Motors SW3 Recovery Tank Full Switch SW8 Hose Switch FRONT REAR VIEW R14 1032129 REV.01 (12-06)

  • Page 8: Underside Details

    R14 – Component Locator (Page 4 of 4) Underside Details MTR1A MTR2 Front Propel Motor Brush Motor MTR3 Rear Brush Motor LS1 Horn/ FRONT Alarm SOL1 ReadySpace Solenoid SOL2 Extraction Solenoid SOL3 ReadySpace Flush Solenoid MTR1B Parking Brake Solenoid MTR7 Solution Pump R14 1032129 REV.01 (12-06)

  • Page 9: Machine Specifications

    73 dBA** * Run times are based on Continuous Scrubbing Run Times. ** Sound pressure (ISO 11201) as recommended by the American Association of Cleaning Equipment Manufacturers (AACEM) and OSHA. Specifications are subject to change without notice. R14 1032129 REV.01 (12-06)

  • Page 10: Machine Dimensions

    R14 Dimensions MACHINE DIMENSIONS 32 in 813 mm 52 in 1,325 mm 61.5 in / 1,560 mm R14 1032129 REV.01 (12-06)

  • Page 11: Circuit Breakers / Fuses

    FIG. 40 handling batteries and battery cables. Avoid 4. Connect the charger’s AC power supply cord into a contact with battery acid. properly grounded wall outlet. (Page 1 of 11) R14 1032129 REV.01 (12-06)

  • Page 12: Machine Maintenance

    (Figure 44). Allow the filter to completely dry before WARNING: Electrical Hazard. Disconnect reinstalling. Battery Cables Before Servicing Machine. ATTENTION: Contact an authorized service center for machine repairs. Machine repairs performed by other than an authorized person will void your warranty. FIG. 44 R14 1032129 REV.01 (12-06)

  • Page 13: After Every 10 Hours Of Use

    Electrical malfunction may occur. FIG. 49 2. Remove any entangled carpet fibers and debris from the extractor brushes (Figure 50). Replace the brushes if damaged or worn. FIG. 47 FIG. 50 R14 1032129 REV.01 (12-06)
  • Page 14 FIG. 54 5. Remove the extraction vacuum shoes and rinse out the debris buildup (Figure 53). Use a pointed object to clean the vacuum shoe intake slot. (See Figure 54 for Extraction Vacuum Shoe Removal.) FIG. 53 R14 1032129 REV.01 (12-06)

  • Page 15: After Every 80 Hours Of Use

    The position of the spray nozzles is set at a 3° angle (Figure 57). Restorative extraction spray pattern TOP VIEW ° Push retainer tab upward to release spray tip. Spray nozzle angle FIG. 60 FIG. 57 R14 1032129 REV.01 (12-06)

  • Page 16: Motor Maintenance

    This MOTOR MAINTENANCE procedure requires the machine to sit overnight. Contact an Authorized Tennant Service Center for a. Remove rollers/brushes from the scrub head. carbon brush replacement. b. Pour 3 gal / 11 L of hot water into the solution Replace the carbon brushes as directed.

  • Page 17: Priming Solution System

    (Figure 66). FOR SAFETY: When brake is disengaged, do not push or tow the machine on inclines. FOR SAFETY: When brake is disengaged, do not operate machine. FIG. 64 FIG. 66 R14 1032129 REV.01 (12-06)

  • Page 18: Transporting The Machine

    RECOMMENDED STOCK ITEMS 5. Place a block behind each wheel (Figure 68). 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: R14 1032129 REV.01 (12-06)

  • Page 19: Troubleshooting

    Plugged solution tank filter Clean solution tank filter Clogged solution line filter Clean solution line filter Faulty pump or solution solenoid Contact Service Center Clogged solution line Flush plumbing system Spray nozzle out of alignment Realign spray nozzle R14 1032129 REV.01 (12-06)
  • Page 20 Spray nozzles drip when not in Clean or replace spray tip filter Clogged spray tip filter/check valve (Restorative Extraction spray tips) (See SOLUTION FLOW Clean or replace solution solenoid Clogged or faulty solution solenoid. DIAGRAM for reference) R14 1032129 REV.01 (12-06)

  • Page 21: Fault Indicator Light/Beep Codes

    Horn repeatedly beeps eight times Emergency stop button activated Turn button clockwise and restart key to reset Horn repeatedly beeps nine times Key switch turned on with battery Unplug battery charger before charger plugged into machine starting machine R14 1032129 REV.01 (12-06)

  • Page 22: Electrical Electrical Schematic

    1035160 R14 1032129 REV.01 (12-06)
  • Page 23 MTR1A = PROPEL MOTOR #1024247 SOL2 = EXTR SOLENOID VALVE = GILL SENSOR #1011562 MTR1B = PARKING BRAKE #372869 #1023693 (3 STATION / #1025177 (2 STATION) = TOUCH PANEL #1024154 MTR2 = FRONT BRUSH MOTOR #1023355 R14 1032129 REV.01 (12-06)

  • Page 24: Wire Harness Group

    ELECTRICAL WIRE HARNESS GROUP - - SECTION 1 OF 5 STOP STOP HORN HORN MOVE MOVE R14 1032129 REV.01 (12-06)
  • Page 25 4B A SWITCH A 14D HOUR METER A 21 NEGATIVE 13B C STAND- - OFF E 5A MAIN COIL E 6A C 1B MAIN CONTACTOR POSITIVE C 50A STAND- - OFF 42E 13S TO SEAT WIRE HARNESS R14 1032129 REV.01 (12-06)
  • Page 26 SOCKET WIRE PLUG CAVITY PLUG CAVITY PLUG CAVITY PLUG CAVITY PLUG CAVITY PLUG CAVITY PLUG CAVITY PLUG CAVITY PLUG CAVITY PLUG CAVITY CONTROL BOARD Ref. Serial Number Description Qty. (00000000-- )D Harness, Wire, Main [Readyspace Rider] R14 1032129 REV.01 (12-06)
  • Page 27 ELECTRICAL WIRE HARNESS GROUP - - SECTION 4 OF 5 MTR2 MTR3 FRONT REAR BRUSH MOTOR BRUSH MOTOR FRONT (+) REAR (- - ) DETAIL C- - C CONTINUED DETAIL D- - D ROTATED 90 DEG MTR5 EXTRACT ACTUATOR R14 1032129 REV.01 (12-06)
  • Page 28 DETAIL D- - D CONTINUED ROTATED 90 DEG HORN HOSE FLSH SWITCH 42G 29 14H 14J 14J 14K SOLUTION TANK PUMP READY SPACE FLUSH EXTRACTOR LOW SWITCH MOTOR WATER VALVE WATER VALVE SOLENOID SOL 1 SOL2 WATER VALVE SOL3 R14 1032129 REV.01 (12-06)

  • Page 29: Seat Harness

    ELECTRICAL WIRE HARNESS GROUP - SEAT HARNESS Ref. Serial Number Description Qty. )D Harness,Seat [ReadySpace Rider] (00000000-- R14 1032129 REV.01 (12-06)

  • Page 30: Readyspace & Extraction Plumbing Diagram

    R14 – ReadySpace & Extraction Plumbing Diagram Restorative ReadySpace Vacuum Shoe Extraction Nozzles Solution Flush Line Spray Tips WHITE CAPS (2) Hose Assy RH Tip #11006E ReadySpace Nozzles GREEN CAPS (2) Tip #11002 Solution Pump Solution Solution Solenoids Tank Return...

  • Page 31: Pin Connector Detail

    R14 – Main Harness to Control Board 35 Pin Connector Detail input or active output voltage inactive voltage pin # wire # function/component empty empty empty output SOL1 ReadySpace solenoid valve output Main contactor output SOL3 ReadySpace flush solenoid valve...

  • Page 32: Electrical Symbols & Terms

    Example of Wiring Numbers & Colors: Wiring Color Codes (Unless otherwise marked) Right Most Digit Color of Wire of Wire Number Pink Brown Orange 1 RED 13 BLK Yellow Green Blue Purple Gray White R14 1032129 REV.01 (12-06)

  • Page 33: Key Off Power Distribution - Battery Charger Not Connected

    R14 - Key OFF Power Distribution CONDITIONS: Key OFF, battery charger NOT CONNECTED to charger plug 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK 1 RED 1 RED 13 BLK 13 BLK STANDOFF 1 CHARGER PLUG...

  • Page 34: Key Off Power Distribution - Battery Charger Connected

    R14 - Key OFF Power Distribution CONDITIONS: Key OFF, battery charger CONNECTED to charger plug 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK 1 RED 1 RED 13 BLK 13 BLK STANDOFF 1 CHARGER PLUG CONTROL BOARD...

  • Page 35: Key On, Operator On Seat

    R14 - Key ON, Operator on Seat 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED 1 RED LOGIC GROUND PIN J6-17 PIN J6-35 PIN J6-5 MAIN CONTACTOR...

  • Page 36: Tank Level Switches

    R14 - Tank Level Switches Key ON, operator on seat CONDITIONS: 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) LOGIC GROUND 1 RED 1 RED PIN J6-35 PIN J6-17...

  • Page 37: Horn & Hour Meter

    R14 - Horn & Hour Meter CONDITIONS (Horn): Key ON, horn switch depressed CONDITIONS (Hour Meter): Key ON, operator on seat, Propel Pedal depressed OR Vacuum Fan running 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK...

  • Page 38: Propel Forward System

    R14 - Propel Forward System CONDITIONS: Key ON, operator on seat, directional switch in FORWARD position, propel pedal depressed 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 EMERGENCY STOP CONTROL BOARD SWITCH (E-STOP) 1 RED...

  • Page 39: Propel Reverse System

    R14 - Propel Reverse System CONDITIONS: Key ON, operator on seat, directional switch in REVERSE position, propel pedal depressed 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED...

  • Page 40: Braking System

    R14 – Braking System CONDITIONS: Key ON, operator on seat, brake pedal depressed 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED 1 RED LOGIC GROUND PIN J6-17...

  • Page 41: Lower Scrub Head

    R14 – Lower Scrub Head (ReadySpace Mode) CONDITIONS: Key ON, operator on seat, ReadySpace button activated 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED 1 RED...

  • Page 42: Lower Scrub Head & Vacuum Shoes

    R14 – Lower Scrub Head & Vacuum Shoes (Extraction Mode) CONDITIONS: Key ON, operator on seat, Extraction button activated 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED...

  • Page 43: Brush Motors

    R14 – Brush Motors CONDITIONS: Key ON, operator on seat, ReadySpace OR Extraction button activated, propel pedal depressed 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED...

  • Page 44: Vacuum Fan Motors

    R14 – Vacuum Fan Motors CONDITIONS: Key ON, ReadySpace OR Extraction OR Wand Switch button activated 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED 1 RED...

  • Page 45: Solution Pump & Solenoid Valves (Readyspace Mode)

    R14 – Solution Pump & Solenoid Valves (ReadySpace Mode) CONDITIONS: Key ON, ReadySpace button activated, propel pedal depressed 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED...

  • Page 46: Solution Pump & Solenoid Valves (Extraction Mode)

    R14 – Solution Pump & Solenoid Valves (Extraction Mode) CONDITIONS: Key ON, Extraction button activated, propel pedal depressed 6 VDC 6 VDC 6 VDC 6 VDC 1 RED 13 BLK STANDOFF 1 CONTROL BOARD EMERGENCY STOP SWITCH (E-STOP) 1 RED...

  • Page 47: Operational Modes & Interlocks

    R14 – Operational Modes & Interlocks Mode Entry Sequence Indicator Function −Directional Switch Forward −Directional Switch in Forward position Forward Forward movement of machine −Propel Pedal Depressed −Directional Switch Reverse −Directional Switch in Reverse position Reverse Reverse movement of machine −Horn Sounding continuously ON &...

  • Page 48: Diagnostic & Fault Alarms

    R14 – Diagnostic & Fault Alarms Alarm Codes Mode Entry Sequence Alarm Sequence Function Alerts nearby persons of machine Directional switch backward movement (Note: Back-up Back-Up Alarm Horn sounds beep cycle (repeats) placed in REVERSE alarm will not sound when machine is placed in "Hospital"...

  • Page 49: Diagnostic & Configuration Modes

    R14 – Diagnostic & Configuration Modes Mode Entry Sequence Indicator Function Upper Speed (+) LED blinks Tens of day of month, Upper Brush Pressure (+) LED blinks Single day of month Display Software Press and hold ReadySpace Lower Speed (-) LED blinks Tens of month,...

  • Page 50: Led Locations & Descriptions

    R14 – LED Locations & Descriptions GREEN GREEN GREEN YELLOW R14 1032129 REV.01 (12-06)

  • Page 51: Display Software Revision Mode

    R14 – Display Software Revision Mode TO ENTER: • Press and hold ReadySpace Button • Turn key switch ON, wait 10 seconds • Release Button READING THE SOFTWARE REVISION: • Upper Speed (+) LED blinks Tens of DAY of month, Upper Brush Pressure (+) LED blinks Single DAY of month •...

  • Page 52: Self Test Mode

    R14 – Self Test Mode TO ENTER: • Press and hold ReadySpace & Extraction Buttons • Turn key switch ON • Release Buttons after the relay clicks • The entire Self Test takes approximately 40 seconds • At the Start of the Self Test, the Front Brush motor turns ON •...

  • Page 53: Input Display Mode

    R14 – Input Display Mode The purpose of the Input Display Mode is to show the condition of various control board inputs TO ENTER: • Press and hold the Wand Button • Turn key switch ON • Release Button after the # 4 Battery LED blinks...

  • Page 54: Manual Mode

    R14 – Manual Mode The purpose of the Manual Mode is to allow the technician to exercise individual cleaning functions on the machine. In Manual Mode, most of the Normal mode interlocks are disabled. All Propel functions are disabled in Manual Mode. Extreme care must be exercised when operating the machine in this mode.

  • Page 55: Propel/Brake Diagnostics

    R14 – Propel/Brake Diagnostics (Page 1 of 2) TO ENTER: • Press and hold ReadySpace & Propel Speed Buttons • Turn key switch ON • Release Buttons after ReadySpace LED (if in Forward) or Extraction LED (if in Reverse) is lit...
  • Page 56 R14 – Propel/Brake Diagnostics (Page 2 of 2) Propel & Brake Pedal Data Notes Pedal LED group Lit LED's Pedal Position Input Voltage Level Released below 1.3 VDC Brush Machine must be in Propel Slightly Depressed 1.3 to 1.89 VDC Propel Pressure &...

  • Page 57: Reverse Alarm Select Mode

    R14 – Reverse Alarm Select Mode Reverse Alarm Select Mode allows enabling or disabling of the Backup Alarm TO ENTER: • Put directional switch in Reverse • Press & Hold Horn Button • Turn key switch ON • If Back-up Alarm is silent, Hospital (Quiet) Mode has been selected •...

  • Page 58: Inputs & Outputs Table

    R14 – Inputs & Outputs Table R14 1032129 REV.01 (12-06)

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