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Advance acoustic Terra 3700B Service Manual

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Terra™ 3700B
SERVICE MANUAL
Advance Model: 908 4203 010
146 1995 000(1)2005-08

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  • Page 1 Terra™ 3700B SERVICE MANUAL Advance Model: 908 4203 010 146 1995 000(1)2005-08...

  • Page 3: Table Of Contents

    SERVICE MANUAL GENERAL INFORMATION ........................... 2 MACHINE LIFTING ................................2 MACHINE TRANSPORT ..............................2 PUSHING OR TOWING THE MACHINE ..........................2 SAFETY ................................. 3 GENERAL SAFETY PRECAUTIONS ...........................3 TECHNICAL DATA ............................... 5 MAINTENANCE ..............................7 SCHEDULED MAINTENANCE ............................. 7 SCHEDULED MAINTENANCE TABLE ..........................7 MACHINE NOMENCLATURE ..........................

  • Page 4: General Information

    SERVICE MANUAL GENERAL INFORMATION MACHINE LIFTING WARNING! Do not work under the lifted machine without supporting it with safety stands. MACHINE TRANSPORT WARNING! Before transporting the machine, make sure that: • All doors and guards are closed. • The key is not inserted in the ignition switch. •...

  • Page 5: Safety

    SERVICE MANUAL SAFETY The following symbols indicate potentially dangerous situations. Always read this information carefully and take all necessary precautions to safeguard people and property. DANGER! It indicates a dangerous situation with risk of death for the Operator. WARNING! It indicates a potential risk of injury for people. CAUTION! It indicates a caution or a remark related to important or useful functions.
  • Page 6 SERVICE MANUAL WARNING! – Carefully read all maintenance/repair instructions before performing any maintenance/repair procedure. – Take all necessary precautions to prevent hair, jewellery and loose clothes from being caught by the machine moving parts. – Do not smoke while charging the batteries. –...

  • Page 7: Technical Data

    SERVICE MANUAL TECHNICAL DATA Dimensions Values Minimum machine length 49.4 in (1,255 mm) Machine width (without side brooms) 31.3 in (795 mm) Machine maximum height 45.47 in (1,155 mm) Working width (with/without side brooms) 39.4/23.6 in (1000/600 mm) Minimum ground clearance (skirts not included) 1.6 in (40 mm) Main broom size 10.43 x 23.62 in (265 mm x 600 mm)
  • Page 8 SERVICE MANUAL S300796 146 1995 000(1)2005-08...

  • Page 9: Maintenance

    SERVICE MANUAL MAINTENANCE SCHEDULED MAINTENANCE The lifespan of the machine and its maximum operating safety are ensured by correct and regular maintenance. WARNING! See the GENERAL INFORMATION and SAFETY chapters. Provided below is the Scheduled Maintenance Table. The intervals shown may vary according to particular working conditions, which are to be defined by the person in charge of the maintenance.

  • Page 10: Machine Nomenclature

    SERVICE MANUAL MACHINE NOMENCLATURE Throughout this Manual you will find numbers in brackets – for example: (2). These numbers refer to the components indicated in these two nomenclature pages. Refer to these pages whenever it will be necessary to identify a component mentioned in the text.

  • Page 11: Machine Nomenclature

    SERVICE MANUAL MACHINE NOMENCLATURE S300797 146 1995 000(1)2005-08...
  • Page 12 SERVICE MANUAL S300798 146 1995 000(1)2005-08...

  • Page 13: Sweeping System

    SERVICE MANUAL SWEEPING SYSTEM MOTOR-TO-MAIN BROOM BELT CHECK Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Raise the hood (26) and engage the hood support rod (60). Check the motor-to-main broom belt (71) condition.

  • Page 14: Main Broom Height Check And Adjustment

    SERVICE MANUAL MAIN BROOM HEIGHT CHECK AND ADJUSTMENT NOTE Brooms of various hardness are available. This procedure is applicable to all types of brooms. Check Check the main broom for proper ground clearance, proceeding as follows: – Drive the machine on a level ground; –...

  • Page 15: Main Broom Replacement

    SERVICE MANUAL MAIN BROOM REPLACEMENT NOTE Brooms of various hardness are available. This procedure is applicable to all types of brooms. CAUTION! It is advisable to use protective gloves when replacing the main broom because there can be cutting debris between the bristles. Drive the machine on a level ground and engage the parking brake (23).

  • Page 16: Side Broom Height Check And Adjustment

    SERVICE MANUAL SIDE BROOM HEIGHT CHECK AND ADJUSTMENT NOTE Brooms of various hardness are available. This procedure is applicable to all types of brooms. Check Check the side brooms for proper ground clearance, proceeding as follows: – Drive the machine on a level ground and lower the side brooms; –...
  • Page 17 SERVICE MANUAL Figure 4 S300809 146 1995 000(1)2005-08...

  • Page 18: Side Broom Replacement

    SERVICE MANUAL SIDE BROOM REPLACEMENT NOTE Brooms of various hardness are available. This procedure is applicable to all types of brooms. CAUTION! It is advisable to use protective gloves when replacing the side brooms because there can be cutting debris between the bristles. Drive the machine on a level ground and engage the parking brake (23).

  • Page 19: Main Motor Electrical Input Check

    SERVICE MANUAL MAIN MOTOR ELECTRICAL INPUT CHECK WARNING! This procedure must be performed by qualified personnel only. Preliminary operations Carry out the main broom height check and adjustment. Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0”...

  • Page 20: Main Motor Carbon Brush Check And Replacement

    SERVICE MANUAL MAIN MOTOR CARBON BRUSH CHECK AND REPLACEMENT Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Raise the hood (26) and engage the hood support rod (36). Disconnect the battery electrical connector (63).

  • Page 21: Main Motor And Reduction Unit Removal/Installation

    SERVICE MANUAL MAIN MOTOR AND REDUCTION UNIT REMOVAL/INSTALLATION Removal Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Raise the hood (26) and engage the hood support rod (36). Disconnect the battery electrical connector (63).
  • Page 22 SERVICE MANUAL Figure 8 S300813 146 1995 000(1)2005-08...
  • Page 23 SERVICE MANUAL Figure 9 S300814 146 1995 000(1)2005-08...

  • Page 24: Side Broom Motor Electrical Input Check

    SERVICE MANUAL SIDE BROOM MOTOR ELECTRICAL INPUT CHECK WARNING This procedure must be performed by qualified personnel only. PRELIMINARY OPERATIONS Carry out the side brooms height check and adjustment. Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0”...

  • Page 25: Side Broom Motor Removal/Installation

    SERVICE MANUAL SIDE BROOM MOTOR REMOVAL/INSTALLATION Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the waste container (36) by following the instructions given in the Instructions for use manual. Remove the batteries (61) and the battery holder.

  • Page 26: Troubleshooting

    SERVICE MANUAL TROUBLESHOOTING THE MACHINE DOES NOT START When turning the ignition key (2) to “I” position (no activation of the control panel). Possible causes: Battery connector (63) not properly connected (connect) Hood (26) not properly closed (close) Discharged battery (charge) Electrical cable under the left (1) or right (16) control panel disconnected (check connection) THE CONTROL PANEL ACTIVATES BUT THE MOTORS DO NOT START Possible cause: electromagnetic switch malfunction (replace).

  • Page 27: Skirt

    SERVICE MANUAL SKIRT SKIRT HEIGHT CHECK AND ADJUSTMENT AND OPERATION CHECK Drive the machine on a level ground that is suitable for checking the skirt height. Engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Side skirt check Check the side skirt (32 and 33) integrity.
  • Page 28 SERVICE MANUAL Figure 2 S300248 S300249 S300250 S300251 S300376 S300377 146 1995 000(1)2005-08...

  • Page 29: Side Skirt Replacement

    SERVICE MANUAL SIDE SKIRT REPLACEMENT Drive the machine on a level ground that is suitable for checking the skirt height. Engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Left side skirt Loosen the knob (A) and remove the broom left door (E) by pulling it upwards to disengage the fasteners (C). Remove the screws (D), the strap (E) and the side skirt (F).

  • Page 30: Front And Rear Skirt Replacement

    SERVICE MANUAL FRONT AND REAR SKIRT REPLACEMENT Drive the machine on a level ground that is suitable for checking the skirt height. Engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the main broom, as described in the related paragraph. Slightly lift the machine front side observing the cautions below, then remove the clip (E) and disconnect the lifting cable terminal (F) from the front skirt (G).

  • Page 31: Front Skirt Lifting Cable Adjustment

    SERVICE MANUAL FRONT SKIRT LIFTING CABLE ADJUSTMENT Adjustment check Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the main broom, as described in the related paragraph. Press the front skirt lifting pedal (24) and check that the front skirt (A) rotates upwards of about 90°...

  • Page 32: Front And Rear Skirt Replacement

    SERVICE MANUAL FRONT AND REAR SKIRT REPLACEMENT Figure 6 S300821 146 1995 000(1)2005-08...

  • Page 33: Front Skirt Lifting Cable Replacement

    SERVICE MANUAL FRONT SKIRT LIFTING CABLE REPLACEMENT Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the waste container (36) by following the instructions given in the Instructions for use manual. Remove the batteries (61) and the battery holder.

  • Page 34: Dust And Debris Collection System

    SERVICE MANUAL DUST AND DEBRIS COLLECTION SYSTEM DUST FILTER CLEANING AND INTEGRITY CHECK NOTE Besides the standard paper filter, optional polyester filters are also available. The following procedure is applicable to each type of filter. Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0”...

  • Page 35: Filter Shaker Operation Check

    SERVICE MANUAL FILTER SHAKER OPERATION CHECK Start the machine. When the panel filter shaker is considered to be clogged, activate the filter shaker by pressing the filter shaker switch (10) for a short while and check that the typical noise is audible. Restart the machine and check that the filter has been properly shaken.

  • Page 36: Troubleshooting

    SERVICE MANUAL TROUBLESHOOTING THE FAN DOES NOT ROTATE Possible causes: Discharged battery (charge). Worn main motor brushes (replace) Main motor failure (repair or replace) Foreign materials obstructing the fan (remove) Damaged wiring harness (repair) THE FILTER SHAKER MOTOR DOES NOT OPERATE Possible causes: Motor failure (repair or replace) Broken filter shaker switch (10) (replace)

  • Page 37: Manual Vacuum System

    SERVICE MANUAL MANUAL VACUUM SYSTEM MANUAL VACUUM SYSTEM MOTOR CARBON BRUSH CHECK AND REPLACEMENT Remove the manual vacuum system motor. At the workbench, pull out the guard (A) by disengaging the inner fasteners. Disconnect the carbon brush electrical connections (B). Remove the carbon brush fastening screws (C).

  • Page 38: Manual Vacuum System Motor Removal/Installation

    SERVICE MANUAL MANUAL VACUUM SYSTEM MOTOR REMOVAL/INSTALLATION Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Raise the hood (26) and engage the hood support rod (60). Remove the nuts (A), then remove the screws and the washers (B).

  • Page 39: Troubleshooting

    SERVICE MANUAL TROUBLESHOOTING POOR VACUUMING PERFORMANCE OF THE MANUAL VACUUM SYSTEM Possible causes: Dust or foreign materials slowing down the manual vacuum system performance (remove). Worn motor carbon brushes (substitute). Damaged motor (repair or replace). THE MANUAL VACUUM SYSTEM DOES NOT START Possible causes: Dust or foreign materials preventing the manual vacuum system performance (remove).

  • Page 40: Brake System

    SERVICE MANUAL BRAKE SYSTEM BRAKE ADJUSTMENT Check Engage the parking brake with the lever (23a) and check the brake performance. NOTE The service and parking brake adjustment should be performed while engaging the parking brake as indicated above. The service brake travel will be adjusted accordingly. If necessary, adjust both brakes as indicated below.

  • Page 41: Brake Replacement

    SERVICE MANUAL BRAKE REPLACEMENT Figure 1 S300826 146 1995 000(1)2005-08...
  • Page 42 SERVICE MANUAL Drive the machine on a level ground without engaging the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the waste container (36) by following the instructions given in the Instructions for use manual. Remove the batteries (61) and the battery holder.

  • Page 43: Drive System

    SERVICE MANUAL DRIVE SYSTEM DRIVE MOTOR ELECTRICAL INPUT CHECK WARNING! This procedure must be performed by qualified personnel only. PRELIMINARY OPERATIONS Drive the machine on a level ground. Turn the ignition key (2) to “0” position, then remove it. Raise the machine front side, then lean its back side on two fixed stands. In this way, the front drive wheel (28) is slightly off the ground and the following test can be safely performed.

  • Page 44: Drive Motor Carbon Brush Check And Replacement

    SERVICE MANUAL DRIVE MOTOR CARBON BRUSH CHECK AND REPLACEMENT Remove the drive motor. At the workbench, remove dust and dirt from the outside of the motor, then disengage and remove the clamp (A). Lift the retaining spring (B) of each carbon brush, then remove the four carbon brushes (C). Check the four carbon brushes for wear.

  • Page 45: Drive Motor Removal/Installation

    SERVICE MANUAL DRIVE MOTOR REMOVAL/INSTALLATION Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the waste container (36) by following the instructions given in the Instructions for use manual. Remove the batteries (61) and the battery holder.

  • Page 46: Forward/Reverse Gear Pedal Check And Adjustment

    SERVICE MANUAL FORWARD/REVERSE GEAR PEDAL CHECK AND ADJUSTMENT Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the screws (A), then remove the forward/reverse gear pedal (B) after disconnecting the gear pedal electrical connector.
  • Page 47 SERVICE MANUAL Figure 5 S300830 146 1995 000(1)2005-08...

  • Page 48: Troubleshooting

    SERVICE MANUAL TROUBLESHOOTING THE MACHINE DOES NOT MOVE Possible causes: Discharged battery (charge). Worn drive motor brushes (replace) Drive motor failure (repair or replace) Foreign materials obstructing the front wheel (remove) Damaged wiring harness (repair) Electronic board warning indication (check the red warning light flashing, according to the following table) The warning light is red and it is on the drive electronic board, which is under the panel (1, Fig.

  • Page 49: Other Systems

    SERVICE MANUAL OTHER SYSTEMS SCREW AND NUT TIGHTENING CHECK Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Remove the waste container (36) by following the instructions given in the Instructions for use manual. Raise the hood (26) and engage the hood support rod (36).

  • Page 50: Electrical System

    SERVICE MANUAL ELECTRICAL SYSTEM BATTERY MAINTENANCE AND RECHARGING See the Instructions for use manual (WET OR GEL) BATTERY INSTALLATION AND SETTING Battery choice The machine can be equipped with the following battery types: – Lead batteries, with acid electrolyte (WET) –...

  • Page 51: Drive Electronic Board Replacement

    SERVICE MANUAL DRIVE ELECTRONIC BOARD REPLACEMENT Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Raise the hood (26) and engage the hood support rod (36). Disconnect the battery electrical connector (63).

  • Page 52: Hour Counter And Battery Charge Status Display Electronic Board Replacement

    SERVICE MANUAL HOUR COUNTER AND BATTERY CHARGE STATUS DISPLAY ELECTRONIC BOARD REPLACEMENT Drive the machine on a level ground and engage the parking brake (23). Turn the ignition key (2) to “0” position, then remove it. Raise the hood (26), disconnect the battery electrical connector (63), then close the hood again. Unscrew the control panel mounting screws (15) and carefully move the right control panel (16).

  • Page 53: Machine Should Not Start When There Is No Operator On The Driver'sseat

    SERVICE MANUAL MACHINE SHOULD NOT START WHEN THERE IS NO OPERATOR ON THE DRIVER'S SEAT When the machine is off and there is no operator on the driver's seat (45), try and start the machine by turning the ignition key (2) to “I” position. The machine should not start. HOOD SAFETY SWITCH OPERATION CHECK Raise the hood (26) while the machine is off.

  • Page 54: Component Layout

    SERVICE MANUAL COMPONENT LAYOUT NOTE The symbol in brackets after the name of the component refers to the wiring diagram (see the following pages). List of abbreviations used Batteries (BAT) Pivoting light (BE1) Reverse gear alarm (BZ1) Battery connector (C1) Battery charger (H1) Hour counter and battery voltage display (EB1) Drive electronic board (EB2)
  • Page 55 SERVICE MANUAL S300839 146 1995 000(1)2005-08...
  • Page 56 SERVICE MANUAL S300840 146 1995 000(1)2005-08...

  • Page 57: Wiring Diagram

    SERVICE MANUAL WIRING DIAGRAM List of abbreviations BAT: Batteries BE1: Pivoting light BZ1: Reverse gear warning buzzer Battery connector CH1: Battery charger EB1: Hour counter and battery voltage display EB2: Drive electronic board ES0: Starting relay ES1: Main broom switch ES2: Filter shaker relay ES3:...
  • Page 58 SERVICE MANUAL S300843 146 1995 000(1)2005-08...
  • Page 60 Nilfisk-Advance, Inc. 14600 21st Avenue North Plymouth, MN, 55447-3408 www.nilfisk-advance.com Phone: 800-989-2235 Fax: 800-989-6566 ©2004 Nilfisk-Advance, Inc., Plymouth, MN 55447-3408 Printed in Italy...

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