Signode BXT 2 Maintenance Manual
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Signode BXT 2 Maintenance Manual

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BXT 2
BXT 2-19
Maintenance
Manual
ak 03.11

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  • Page 1 BXT 2 BXT 2-19 Maintenance Manual ak 03.11...

  • Page 2: Table Of Contents

    BXT 2 BXT 2-19 Content: Preface .................................. 3 Basic Innovations ..............................3 Tool Design ................................4 3.1. Housing/electrical components: ........................4 3.2. Welding unit ..............................5 3.3. Rocker lever and reset ..........................6 3.4. Rocker and toothed plate ..........................6 3.5.

  • Page 3: Preface

    BXT 2 BXT 2-19 1. Preface The objective of this maintenance manual is to familiarize a skilled technician with the tools particular features and enable him to repair and maintain it independently. Current issues of the operating instructions and the concerning product information sheets are essential elements of this manual and have to be checked as well.

  • Page 4: Tool Design

    BXT 2 BXT 2-19 3. Tool Design 3.1. Housing/electrical components: The housing is carried out in 3 pieces. All processes are controlled and monitored by the Printed circuit board (pos. 198). The PCB interacts via the signal cable (pos. 202) with the motor power electronics (pos.

  • Page 5: Welding Unit

    BXT 2 BXT 2-19 3.2. Welding unit The unit is lowering automatically when the welding process is started. Depending on the direction of motor rotation (freewheels) this is taking place as follows: 1. The cam ring (pos 109) is turning towards the switching cam (pos. 140, 143).

  • Page 6: Rocker Lever And Reset

    BXT 2 BXT 2-19 3.3. Rocker lever and reset The Blocking Pawl (pos. 65) prevents the tension gear from turning backwards during tensioning. After strapping has taken place, the rocker lever (pos.89) is pulled, the pawl and therewith the tension is released.

  • Page 7: Tensioning Gear

    BXT 2 BXT 2-19 3.5. Tensioning gear There is a free wheel integrated into the bevel gear pinion (Pos. 132). Provided the appropriate turning direction the free wheel delivers the torque to the 2 stage planetary gear and the tension wheel. To loose the tension the ring gear (Pos.19) is released by the pawl axle (Pos.

  • Page 8: Diagnostic Aids

    BXT 2 BXT 2-19 5. Diagnostic aids Service technicians are supported in fault finding by the tools firmware. Faults in operating sequence or system errors are reported by acoustic signals or via the segment display by failure codes. Additionaly a service interface allows detailed diagnosis with the help of your computer.
  • Page 9 BXT 2 BXT 2-19 Example of the event readout using the service interface: As per description above, tool faults are displayed as E-numbers. Following diagram shall help to simplify the fault finding: Abort, the tool is in Stop, the tool shuts down...
  • Page 10 Abort, the tool is in standby mode again Abort, the tool shuts down Check wirings Check wiring Replace the Let the tool Clean mech. Replace Plugg battery Plugg battery Motor to Power PCB to power battery cool down components properly battery properly electronics...

  • Page 11: Service Interface

    BXT 2 BXT 2-19 5.3. Service Interface As optional accessory a data cable (Art. Nr: 1821.163.153). for detailed fault diagnosis is available. Using this data cable allows to readout the most important tool parameters on your computer and helps debugging. Hyperterminal is required as user interface. Hyper terminal is already installed on every XP- Computer.
  • Page 12 BXT 2 BXT 2-19 4. Window „COM1 Properties“ will open. Make settings as enclosed in the illustration. Confirm by clicking „OK“. 5. „Debugger“ Hyper Terminal will open. Cut the connection by clicking on Icon (5). 6. File/Properties/ASCII-Setup  . Check the box „Echo typed characters locally.
  • Page 13 BXT 2 BXT 2-19 Establish connection: 1. Plug the data cable to the serial interface(RS 232) of your computer. Plug socket Should your PC or Laptop not be equiped with a serial interface, you for data cable have to purchase a virtual serial interface and connect via USB. Please follow the instructions of the interface manufacturer.

  • Page 14: Tool Reset

    BXT 2 BXT 2-19 6. Tool reset In some rare cases, it may occur that it is not possible to bring the welding unit back to its initial position Also the rocker lever is blocked. Important! Never try to lift the rocker lever with force.

  • Page 15: Disassembling

    BXT 2 BXT 2-19 7. Disassembling Please consider the explosion drawing which is printed on the last pages of the operating instructions. Purpose of this manual is only to draw the technician’s attention to the most relevant issues. 7.1. Housing/electrical components Important! The connectors and cables have to be treated carefully.

  • Page 16: Welding Unit

    BXT 2 BXT 2-19 7. Disconnect the Intermediate cable (Pos. 201). Remove the left part of the housing 8. Disconnect the motor hall sensor wirings 7.2. Welding unit 1. Remove cable tensioning (Pos. 103) 2. Remove set screw and compression spring (Pos.

  • Page 17: Rocker Lever And Reset

    BXT 2 BXT 2-19 5. Remove washer (Pos.163). To do so, retain the excentric axe (Pos.155) with a 5mm wrench on its back side and loosen the screw (Pos. 164). 6. Pull out the toothed belt wheel (Pos. 127). Remove screw (Pos.102) and retaining rings (Pos.

  • Page 18: Tensioning Gear

    BXT 2 BXT 2-19 7.4. Tensioning gear 1. Remove retaining ring (Pos. 136). The bevel wheel complete is now free to be pulled out. 2. Remove the tension wheel, the planetary wheels and the cam disk (Pos. 44-46 & 18) from flange complete (Pos.32).

  • Page 19: Adjustments

    BXT 2 BXT 2-19 9. Adjustments 9.1. Adjustment of the welding reset To avoid play in the reseting parts of the welding unit these parts can be adjusted by the set screw (pos. 73). This screw is adjusted when the tool is assembled in the factory. Normally readjustments are not necessary.

  • Page 20: Lubricating Chart

    BXT 2 BXT 2-19 Lubricating chart Recommended Lubrication: Description: Lubricant: Interval: Planetary gear tensioning Klüber Microlube GBU-Y 131 100‘000 Cycles Planetary gear welding unit Klüber Microlube GBU-Y 131 100‘000 Cycles Freewheels (Pos. 127/ 132) Important! No grease! Universal oil e.g. WD 40 100‘000 Cycles...

  • Page 21: Wiring

    BXT 2 BXT 2-19 Wiring The cables must be layed very accurate. Misplaced wiring could be damaged by moving parts inside the tool. Bad connections may lead to tool malfunction. 1. Prepare the power electronics for the assembly. Connect the hall sensor cables and the signal cable to the power electronics.
  • Page 22 BXT 2 BXT 2-19 6. Secure cable (Pos. 103) with cable strap. Pay attention to strain relief to microswitch! 7. Mount intermediate cable (Pos. 201) and secure it at the retaining bracket. 8. Now the motorhousing with Printed circuit board can be mounted.

  • Page 23: Error Code List

    BXT 2 BXT 2-19 Error Code List 12.1. User Errors Faults in operating sequence “User errors” are no indication of a tool related defect (except defective switch). The tool calls the users attention to faulty operation. During Tensioning: Fault in operating sequence...

  • Page 24: Device Error Control System

    BXT 2 BXT 2-19 12.2. Device Error control system Error Reports in conjunction with the control system. System error Description System reaction DEVICE_UNKNOWN_DEVICE Description: Stop Device Type (14,4V, 18V) could not be detected The tool is switched off. Possible cause: •...

  • Page 25: Device Error Battery

    BXT 2 BXT 2-19 12.3. Device error battery Error Reports in conjunction with the battery or the motor System error Description System reaction BATTERY_OVER- Description: Temperature fuse of the battery. Stop TEMPERATURE Possible cause: • The tool is switched off..

  • Page 26: Device Error Drive

    BXT 2 BXT 2-19 BATTERY_TEMPERATUR_ Description: Battery temperature sensor has an invalid value. Stop RESISTOR_ERROR (Disconnection or short circuit) The tool is switched off.. Possible cause: • Battery is not plugged properly • Batteries temperature sensor is faulty • Wiring power electronic to contact plate is faulty •...
  • Page 27 BXT 2 BXT 2-19 DRIVE_TIMEOUTERROR Description: Time out in communication with power electronics. Interruption Possible cause: • Current process is Power electronics is not switched on by the PCB interrupted. Tool is in • EMV-Disorder standby mode again. • Hardwarefailure, faulty wiring...

  • Page 28: Wiring Diagramm

    BXT 2 BXT 2-19 DRIVE_HALLSENSORERR Description: Hallsensor failure at power electronics Interruption Possible cause: • Current process is Motor hall-sensor defective • interrupted. Tool is in Wiring to hall-sensors faulty standby mode again. Rectification: Check wiring motor to power electronics...

  • Page 29: Explosion Drawing

    BXT 2 BXT 2-19 Explosion drawing ak 3.11...
  • Page 30 BXT 2 BXT 2-19 ak 3.11...
  • Page 31 BXT 2 BXT 2-19 ak 3.11...
  • Page 32 BXT 2 BXT 2-19 ak 3.11...

  • Page 33: Product Information

    BXT 2 BXT 2-19 Product information Please consider the following product information releases (status April 2011): • Nr.1, May 2010: • 1. Optimised housing parts Pos. 186 • 2. Plug connection to welding button is no longer required (Pos. 77) •...

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Bxt 2-19

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