Hillyard TRIDENT T26SC PLUS Service Manual
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Hillyard TRIDENT T26SC PLUS Service Manual

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SERVICE MANUAL
TRIDENT T26SC PLUS
Version: AB
Date: November 7, 2018
Document Number:10077484

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  • Page 1 SERVICE MANUAL TRIDENT T26SC PLUS Version: AB Date: November 7, 2018 Document Number:10077484...

  • Page 2: Table Of Contents

    Contents I Product Introduction 1 Serial Number and Technical Support 1.1 The Serial Tag ....... . . 1.2 Serial Tag location .
  • Page 3 7 Drying System 7.1 Structure ........50 7.2 Description .

  • Page 4: I Product Introduction

    Part I Product Introduction...

  • Page 5: Serial Number And Technical Support

    Chapter 1 Serial Number and Technical Support The Serial Tag Serial Tag location To have access to the Serial Tag is necessary to lift the recovery tank. The Serial Number is an extremely important information which has to be provided each time a Technical Support is required or is necessary to buy spare parts or accessories.

  • Page 6: Main Technical Features

    Chapter 2 Main Technical Features Technical Data TECHNICAL DESCRIPTION T26SC PLUS Traction Motor 24-180 (Voltage - Nominal Power) Ramp Gradient in transport Max speed in transport (Default) Supply/Traction 24-Aut. Vacuum Motor 24-420 (Voltage - Nominal Power) Vacuum motor Stages Vacuum group suction mbar 91,4 Steering diameter...
  • Page 7 Technical Data T26SC PLUS TECHNICAL DESCRIPTION T26SC PLUS Working width Working capacity, up to 25200 Total Power 1390 Brushdeck Motor Nr-V-W 2-24-400 (Number - Voltage - Nominal Power) Disc Brushes (Number - External Ø) Nr-Øin 2-13 Brushes revolutions Max Weigth on brush Machine Length Machine Height Machine Width (without squeegee)

  • Page 8: Anomalies Resolution Guide

    Part II Anomalies Resolution Guide...

  • Page 9: Trouble-Shooting For The Most Common Anomalies

    Chapter 3 Trouble-shooting for the most common anomalies. Electrical system: what to do if. . . The machine doesn’t switch on 1. The key is in position 0 Rotate the key in position I. 2. The key microswitch is not properly Restore the proper connections.
  • Page 10 The batteries don’t work properly 1. The batteries are not properly con- Connect properly the loop cable and nected the power supply cables. 2. Battery are discharged Perform a complete charge cycle. 3. Battery terminal are oxidized Disconnect the batteries, clean the batteries terminals and reconnect properly the batteries.
  • Page 11 The display shows an alarm message 1. The display shows an alarm mes- Check what alarm message is sage shown and solve the related issue by following the proper instructions (see section at page 17) The machine has a very limited working autonomy 1.

  • Page 12: Mechanical Scrubbing System: What To Do If

    Mechanical scrubbing system: what to do if. . . The machine doesn’t clean well The machine is switched off Switch on the machine. The machine doesn’t switch on Refer to the proper section (see section at page 9) The display shows an alarm mes- Check what alarm message is sage shown and solve the related issue...

  • Page 13: Drying System: What To Do If

    Drying system: what to do if. . . The machine doesn’t dry well The machine is switched off Switch on the machine. The machine doesn’t switch on Refer to the proper section (see section at page 9) The recovery tank is full Empty the recovery tank following the proper procedure.
  • Page 14 The vacuum motor doesn’t work properly 1. The vacuum motor is switched off Switch on the vacuum motor. 2. The vacuum motor is not powered Check the power connections on the properly vacuum motor. 3. The display shows an alarm mes- Check what alarm message is sage shown and solve the related issue...

  • Page 15: Frame And Traction System: What To Do If

    Frame and traction system: what to do if. . . The traction motor doesn’t work properly The machine is switched off Switch on the machine. The machine doesn’t switch on Check the proper section (see section at page 9) The display shows an alarm mes- Check what alarm message is sage shown and solve the related issue...

  • Page 16: Solution Delivery System: What To Do If

    Solution delivery system: what to do if. . . The delivered solution is not correct or not enough 1. The machine is switched off Switch on the machine. The machine doesn’t switch on Refer to the proper section (see section at page 9) The solution tank is empty Fill up the solution tank.

  • Page 17: Alarm & Warning Table

    Alarm & Warning Table 3.6.1 General Alarms Id Alarm Meaning Solution AL 1 General EEPROM failure Detected an Error in the internal memory of the card. Turn off and on again. If the error persists, replace the card. AL 2 General Key-off failure Return on the key signal.
  • Page 18 3.6.2 Function Alarms Id Alarm Meaning Solution AL 41 Function Overtemperature The temperature of the functions power mosfets exceeds 90°C. Switch off the machine, wait for the cooling and then switch on again. AL 42 Function Powerstage failure Verify the machine model setting, turn it off and on again. If the problem persists, replace the main card.
  • Page 19 3.6.4 Traction Alarms Id Alarm Meaning Solution AL 80 Traction Overtemperature The temperature of the traction power mosfets exceeds 90°C. Switch off the machine, wait for the cooling and then switch on again. AL 81 Traction Powerstage failure Turn it off and on again. If the problem persists, replace the main card. AL 82 Traction Main fuse failure...

  • Page 20: Disassembling Procedures

    Chapter 4 Disassembling Procedures ARNING EFORE TO PERFORM ANY OPERATION DESCRIBED BELOW VERIFY THAT THE MACHINE TANKS ARE COMPLETELY EMPTY THE MACHINE HAS TO BE TURNED ISCONNECT THE BATTERIES AND REMOVE THEM FROM THE MACHINE T LAST VERIFY THAT THE PARKING BRAKE IS ENGAGED AND THE MACHINE IS IN A TOTALLY SAFE CONDITION...

  • Page 21: Electrical Installation

    Electrical Installation – Key Microswitch – Safety Microswitch 4.1.1 Handlebar Compo- – Potentiometer nents – Emergency button • Put the machine in safe conditions. – Gun/Spray switch • Tilt the recovery tank – Backwards switch (see fig. 4.1.1-1) – Extra power switch •...

  • Page 22: Mechanical Friction System

    • Disconnect all the cables, remove the 4 screws securing the board to the panel and remove it. • Disconnect the Actuator Board from the connector of the Main Board. 4.1.3-8 4.1.3-9 Mechanical Friction System 4.2.1 Brush Deck Assembly 4.1.2-6 4.1.2-7 T26SC PLUS •...

  • Page 23: Drying System

    Note: Before to refit the part lubricate • Remove the elastic ring, and remove the thread in order to prevent blockings the actuator from its support (see fig. because of dirt or oxide. 4.2.4-14) 4.2.3 Brush Motors 4.2.4- • Put the machine in safe conditions. •...
  • Page 24 4.3.2 Squeegee adjustment wheels • Put the machine in safe conditions. • Remove the squeegee support (see sec- tion 4.3.1 at page 23) 4.3.3-15 4.3.3-16 • Remove the squeegee adjustment knob and the spring. 4.3.4 Squeegee Actuator • Remove the Adjustment Wheel As- •...

  • Page 25: Frame And Traction System

    4.3.6 Vacuum Cover • Put the machine in safe conditions. • Tilt the recovery tank. • Unscrew the pivot covering cap (see fig. 4.3.7-19 4.3.7-20 4.3.6-17) • Extract the pin with the help of a pli- (see fig. 4.3.6-18) • Proceed at reverse to refit the part. 4.3.7-21 Frame Traction...

  • Page 26: Solution Delivery System

    Solution Delivery Sys- 4.4.2 Traction Gearmotor • Put the machine in safe conditions. • Disassemble both wheels (see section 4.5.1 Solution Tank 4.4.1 at page 25) • Put the machine in safe conditions. • Remove the 4 screws fixing the gear- motor to the frame and bearing sup- •...
  • Page 27 4.5.3 Solenoid Valve • Put the machine in safe conditions. • Disconnect the rubber hoses and the electrical connector connected to the solenoid valve and unscrew the ring 4.5.1-31 4.5.1-32 nut to remove the solenoid valve (see fig. 4.5.3-37) • If necessary, remove the coil screw and remove it (see fig.

  • Page 28: Machine Description

    Part III Machine Description...

  • Page 29: Electrical System

    Chapter 5 Electrical System Description T26SC PLUS A main board runs all the functions of the machine, washing, drying, traction and braking. The main board receive as input, all the information from the control board, the safety microswitch and all the electronic devices of the machine.

  • Page 30: Location Of Electrical Components

    Location of Electrical components...
  • Page 31 5.2.1 List of Components 3 Display Touchscreen 6 Solenoid Valve 7 Extra Power Switch 8 Emergency Button 9 Key Microswitch 10 Safety Microwitch 11 Backward Switch 12 Potentiometer 13 Gun activation switch 14 Wand activation switch 17 Squeegee Up Microswitch 18 Squeegee Down Microswitch 19 Main Board K Key...
  • Page 32 5.2.2 Main Board T26SC PLUS The Main Board is the heart of the machine and, depending of the input informa- tion, decides how to use the devices of the machine during normal work. The tables show the cable legend for each single connector and the contact legend. Board Cables Legend...
  • Page 33 Brush Motor Black Negative Brush Motor Positive Vacuum Motor Positive Vacuum Motor Black Negative Traction Motor Black Negative Traction Motor Positive Chemical Pump / recycle pump Green Electrobrake Brown Solenoid Valve Orange Water Pump Chemical Pump / recycle pump Orange Electrobrake L.Blue Solenoid Valve...
  • Page 34 Key In Viola Positive Power Yellow Negative Backwards Negative Safety Microswitch L. Blue Wand activation switch Orange Gun activation switcha Blue Brush 1 Alarm L. Blue Backwards Rose Extra pressure Orange Traction Potentiometer Yellow Traction Potentiometer Brown Traction Potentiometer Green Empty Solution floater White Empty Recovery floater...
  • Page 35 5.2.3 Touchscreen display 5.2.6 Potentiometer The machine is equipped with a touch- The potentiometer, located on the con- screen display which transfers all the trol panel, allows to adjust the speed of information and settings to the Main the machine, and send the appropriate Board.

  • Page 36: Adjustments

    Adjustments 5.3.1 Charger (CB) The charger is located on the rear side of the machine and easy to access for the operator. When connected to the power supply, a red led will blink once, the yellow led blink once and the green led blink depending of the type of battery for which the charger is set.
  • Page 37 Set-up of Charging Curve DP1 DP2 DP4 Set Up Yellow LED Green LED Flash OFF OFF OFF IUI0-Pb Flooded OFF IUoU-Gel Trojan OFF ON OFF IUoU-AGM GEL OFF OFF IUI0-Gel Sonnenschein OFF OFF ON IUIa-Pb Flooded IUI0-AGM EV-Discover OFF ON IUa-AGM Zenith OFF ON IUIa-Gel Sonnenschein...

  • Page 38: Maintenance And Checks

    Maintenance 5.3.2 ECO Function Checks Press the ECO button, and let the vac- uum motor and the brush motor work. with the ECO mode activated, check if 5.4.1 Electrical System the noise of the vacuum motor and the Check (to perform every 150h) brush motor is reduced.

  • Page 39: Programming

    Programming 5.5.1 Menu Tree The Display allows the access to basic settings with free access and to the param- eter list protected by Password (3222). The structure of the menu can be shown in the following image. Turn on the machine and access the menus by following the icons in the diagram Refer to the specific tables for the submenus of the Parameters Menu.
  • Page 40 5.5.2 Working Menu MENU DEFAULT CHOICES DESCRIPTION General Setup: IT-EN-FR-SP- Setup language Language General Setup: Key-TR-BR- Selection of the hourmeter type: Key connected to the Key - Hourmeter: ### TR connected to the traction - BR connected to the brush - Vac connected to the vacuum General Setup: Management and customization of zones.
  • Page 41 General Battery Parameters Parameter Default Description General - Battery Gel60 Battery Type. Battery Type Pb60 - Gel60 - PPb - Pb80 - Gel80 - Custom General - Battery Battery status refresh rate. Delay Time #sec General - Battery The charge level necessary to reset the hormeter. Reset Level #% General - Battery Charge threshold beyond which the Brush Motor is inhibited.
  • Page 42 General Service Parameters (not used) General Setting Parameters Parameter Default Description General - Config Plus Machine Model. Model General - Config Brush Machine Version; (Cylind=Cylindrical; Brush=Discoid; Or- Base version bit=Orbital). General - Config None Chemical management; (None=Standard; HLR; HDC) Solution Management General - Config Vacuum Wand enable.
  • Page 43 Pumps Parameters Parameter Default Description Pump - Water Solenoid Valve activation Delay. EV Switch-On Delay # sec. Pump - Water Solenoid Valve deactivation Delay. EV Switch-Off Delay # sec. Pump - Water Water Pump activation delay when the traction lever is Pump Sw-On Delay # sec.
  • Page 44 Actuators Parameters Parameter Default Description Actuator - Brushes Max working time of the brushdeck Actuator. Timeout # sec. Actuator - Brushes 10.0 Brushdeck Actuator Rated current; with T Nom manages the Overload Level # Amp. amperometric protection (alarm + stop Actuator). Actuator - Brushes Brushdeck Actuator Rated Timer;...
  • Page 45 Parameter Default Description Traction - Motor Sets Maximum current from the main card to the traction motor. Maximum Current # Amp. Traction - Motor Sets Traction motor Rated current; with T Nom manages the am- Nominal Current # Amp. perometric protection (alarm + stop brush motor). Traction - Motor Sets Traction motor Rated Timer;...

  • Page 46: Mechanical Rubbing System

    Chapter 6 Mechanical Rubbing System Description The washing function of the machine is obtained by the interaction of the clean- ing solution with the dirt present on the floor. To facilitate and enhance this interac- tion, is used a system of mechanical rub- bing which consists in a device which rubs on the floor.

  • Page 47: Adjustments

    Adjustments 6.2.1 T26SC The scrub deck is tilted in the transverse direction and should be adjusted longi- tudinally inclined to the machine so that the brushes have a distance of about inch from the floor, larger on the front than on the rear side. This allows the brush to evenly lean to the ground and perform its function properly.

  • Page 48: Maintenance And Checks

    6.2.2 Scrub Deck Actuator The carbon brushes must be inch long and they have not to be abnormally worn The scrub deck actuator does not need out. any particular adjustment, if necessary Maintenance (to perform every 600h) adjust the height of the squeegee chain Motor carbon brushes replacement: by acting on the plate and the clip (see...
  • Page 49 6.3.3 Brush coupling flange Check (to perform every 150h) The brush coupling flange is of plas- tic material and is not subject to par- ticular wear. Like the other compo- nents its cleanliness is essential to al- low the brush to engage and disengage smoothly.

  • Page 50: Drying System

    Chapter 7 Drying System Description The machine dries the floor using an in- tegrated Drying System. After the washing, the solution used with the mechanical action of the brush to remove the dirt, is collected by a sys- tem which vacuum it out from the floor. The system is basically made by a vac- uum motor which produces an under- pressure in the system.

  • Page 51: Adjustments

    Adjustments • Check functionally the resulting ad- justment. 7.3.1 Squeegee Support The Squeegee Support has to be ad- justed with the Squeegee fitted on, low- ered on the floor and vacuum system on. The goal of the adjustment is to let the squeegee blade be angled 45 degrees to the floor for its whole length.

  • Page 52: Maintenance And Checks

    Maintenance 7.4.2 Squeegee Support Checks Check (to perform every 150h) The squeegee support has to be com- pletely free to move to lie perfectly on the 7.4.1 Squeegee floor. It is important that it can rotate Check (to perform every 4h) freely and it is properly pressed on the To have a good performance of the floor by the gas spring.
  • Page 53 goodness turn on the vacuum motor and vacuum motor, the floater has to be free block the lower part of the hose with the to move and has to block completely the hand, in this way there must be no air air flow when it is in blocking position passage.
  • Page 54 • Disassemble the motor from the ma- chine (see section 4.3.7 at page 25) • Remove the cooler fan plastic cover from the motor. 7.4.7-15 7.4.7-16 • Slip off the motor carbon brushes. • Replace worn carbon brushes with new ones. •...

  • Page 55: Machine Frame And Traction System

    Chapter 8 Machine Frame and Traction System Description The frame is a single structure on which are coupled the traction system and the tanks group. The machine traction is given by the electric motor installed with a reduction gear, whose output shafts act directly on the machine front wheels, ensuring trac- tion.

  • Page 56: Maintenance And Checks

    Maintenance Maintenance (to perform every 600h) Checks Replacement of traction motor Carbon Brushes: 8.3.1 Wheels Procedure: Check (to perform every 150h) • Secure the machine. The wheel must be free to rotate smoothly without friction. The wheel • Remove the traction unit from the surface, must always be in good condi- machine (see section...

  • Page 57: Cleaning Solution Supply System

    Chapter 9 Cleaning Solution Supply System Description The Cleaning Solution Supply System is made by a tank commonly called so- lution tank or clean water tank. In this tank the clean water is mixed with the detergent to create the clean- ing solution that the machine will use to clean.

  • Page 58: Maintenance And Checks

    Maintenance Checks 9.3.1 Solution Tank Check (to perform every 50h) 9.3.4-1 9.3.4-2 The solution tank has to be clean and intact. It has not to have cracks or any other kind of damage. Verify, when the tank is completely filled up, that there 9.3.5 Solenoid Valve are not leakage.

  • Page 59: Consumable & Recommended Spare Parts

    Chapter 10 Consumable & Recommended Spare Parts 10.1 Consumable Spare Parts 10.1.1 Mechanical Rubbing System T26SC Description Measures (in) Bristle Bristle (in) Colour 422189 BRUSH PPL 0,3 0,012 Blue 422971 BRUSH PPL 0,6 0,023 White 422972 BRUSH PPL 0,9 0,035 Black 422981 BRUSH TYNEX...

  • Page 60: Recommended Spare Parts

    10.1.3 Machine Frame and Traction System Description 426460 FRONT WHEEL D=8.8 L=2.6 426305 REAR WHEEL D=4 L=1 Carbon Brushes 409413 TRACTION MOTOR CAR.BR. 10.2 Recommended Spare Parts The following table refers to the Recommended Spare Parts, and reports the amount suggested by the number of purchased machines.
  • Page 61 10.2.2 Mechanical Rubbing System Description 437859 BRUSH FLANGE 225329 RIGHTSIDE GEARMOTOR 24V 400W 240RPM 225330 LEFTSIDE GEARMOTOR 24V 500W 240RPM 446606 MOTORS SUPPLY CABLE 442816 RIGHTSIDE FLANGE 442817 LEFTSIDE FLANGE 442057 WATER DISTRIBUTOR 436120 BUMPER WHEEL D=100 H=20 435885 SCRUB DECK ACTUATOR 24V 427429 EXTRAPRESSURE MICROSWITCH 10.2.3...
  • Page 62 Hillyard, Inc. Service Manual TRIDENT T26SC PLUS Hillyard, Inc. 302 North 4th Street - P .O. Box 909 St. Joseph, Missouri 64501 - USA Tel. 1-800-365-1555 - Fax 1-800-881-3840 Edition: November 7, 2018...

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