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PLDC04364

REVISION    00

December 16, 2020

TECHNICAL OFFICE

December 17, 2020

14

 

of

 61

$$GMXVWLQJWKHKHLJKWRIWKHPDLQEUXVK

Adjustment

1

0RYHWKHPDFKLQHWRÀDWGU\ÀRRULQJ

2

0DNHVXUHWKDW\RXKDYHHQRXJKURRPDURXQGWKHPDFKLQHIRUVDIHDGMXVWPHQWDQGWHVWLQJ

3

Turn the front cowling and pick out the adjustment knob.

4

$GMXVWWKHKHLJKWRIWKHEUXVKXVLQJWKHDSSURSULDWHNQRELQRUGHUWR¿QGWKHFRUUHFWSUHVVXUHRIWKHFHQWUHEUXVK
RQWKHÀRRUIRUWKHDGMXVWPHQWUHIHUWRWKHJUDGXDWHG\HOORZODEHO

5

If the brush is correctly adjusted, the bristles will be slightly bent backwards with respect to the rolling direction, 
which must be in the opposite direction to the advancement, to ensure a slight pressure on the ground.

Always check the consumption of the centre brush and adjust the height as needed.

7KHEUXVKPXVWDOZD\VH[HUWDVOLJKWSUHVVXUHRQWKHÀRRULQGLFDWHGE\DVPDOOEHQGLQJRIWKH

bristle to the side opposite to the rolling direction.

*

When replacing the brush with a new one, don’t forget to restore the original positions of the 
knob and in any case to adjust the brush.

*

Содержание Tennant S7

Страница 1: ...PLDC04364 REVISION DATE December 16 2020 DATE December 17 2020 TECHNICAL OFFICE S7 Scout 7 TECHNICAL SERVICE MANUAL...

Страница 2: ......

Страница 3: ...placing the suction motor 23 B1 3 Checking and replacing the suction motor carbon brushes 27 KHFNLQJ OWHU VKDNHU FXUUHQW GUDZ 31 5HPRYLQJ WKH OWHU VKDNHU PRWRU 33 C1 1 Checking drive motor current dra...

Страница 4: ...PLDC04364 REVISION 00 December 16 2020 TECHNICAL OFFICE...

Страница 5: ...LQJ WKH HPHUJHQF VZLWFK LVFRQQHFW WKH HOHFWURQLF FLUFXLW IURP WKH EDWWHULHV E GHWDFKLQJ RQH RU ERWK EDWWHU FRQQHFWRUV i INFORMATION Important information KHQ FRQVXOWLQJ WKLV 6HUYLFH PDQXDO WKH UHDGHU...

Страница 6: ...the motor is 25 5W while the voltage is 12V DC The maximum current draw of the motor at starting is 57A with a maximum torque of 21 N m 185 9 lbf in while the motor at no load draws 4 0A 2WKHU VSHFL...

Страница 7: ...n the range indicated in the table disconnect the instrument and reinstate the side guard and top cover of the machine 12 Conversely if the value is at variance with those indicated in the table proce...

Страница 8: ...UHPRYH WKH EDWWHU 5 Disconnect the two connectors of the three motors 6 Remove the left side guard and locate centre brush motor 7 Unscrew the two nuts and remove the motor cap taking care not to los...

Страница 9: ...value indicated in the table replace the carbon brush after detaching it from the end cap 15 Blow the inside of the motor clean with a jet of compressed air paying particular attention to the area ar...

Страница 10: ...bearing depending on the thickness and resting on the gear reducer 2 Solder the leads of the carbon brushes to the same position where the power leads are soldered 3 Shift the springs to facilitate in...

Страница 11: ...fter undoing the screws remove the top cowling to access the battery compartment 4 Disconnect the battery and remove it 5 Disconnect the two connectors of the three motors from the main wiring and rel...

Страница 12: ...XQWHUVXQN VFUHZV WKDW VHFXUH WKH PRWRU WR WKH D LV RI WKH FHQWUDO EUXVK 10 8QGR WKH WKUHH VFUHZV LQVHUW D SRLQWHG SXQFK RU VFUHZGULYHU LQWR WKH KROH FORVHVW WR WKH PRWRU DQG H WUDFW WKH brush motor 11...

Страница 13: ...RQV VDIHO 3 Turn the front cowling and after undoing the screws remove the top cowling to access the battery compartment 4 Disconnect and remove the battery 5 Tilt the machine backwards to reach the m...

Страница 14: ...IRU WKH DGMXVWPHQW UHIHU WR WKH JUDGXDWHG HOORZ ODEHO 5 If the brush is correctly adjusted the bristles will be slightly bent backwards with respect to the rolling direction which must be in the oppo...

Страница 15: ...RRULQJ 2 0DNH VXUH WKDW WKHUH LV HQRXJK URRP DURXQG WKH PDFKLQH WR SHUIRUP WKH GLVPDQWOLQJ RSHUDWLRQV VDIHO 3 Turn the front cowling and after undoing the screws remove the top cowling to access the...

Страница 16: ...Unscrew the four Allen screws the self tapping screw and remove the right side guard 11 Check the round belt for wear 12 UDVS WKH EHOW LQ WKH IUHH FHQWUH VHFWLRQ DQG SXOO LW WR PDNH VXUH LW H HUWV IU...

Страница 17: ...of the belt If the belt shows an excessive elongation even if still intact it is recommended to replace it to avoid slipping during work i Disassembly 1 0RYH WKH PDFKLQH RQWR DW DQG GU RRULQJ 2 0DNH...

Страница 18: ...sembly 1 IWHU UHPRYLQJ WKH ZRUQ EHOW W D QHZ EHOW 2 5H W WKH EUXVK OLIWLQJ DUP DQG VFUHZ WKH SLQ WR WKH IUDPH ZLWK WKUHDGORFNHU 3 7LJKWHQ WKH EUXVK DUP SLQ ZLWK D PD LPXP WRUTXH RI 1 P OEI LQ 4 Return...

Страница 19: ...QJ WKH HPHUJHQF VZLWFK LVFRQQHFW WKH HOHFWURQLF FLUFXLW IURP WKH EDWWHULHV E GHWDFKLQJ RQH RU ERWK EDWWHU FRQQHFWRUV i INFORMATION Important information KHQ FRQVXOWLQJ WKLV 6HUYLFH PDQXDO WKH UHDGHU Z...

Страница 20: ...WULF PRWRU E PHDQV RI DQ 0 GRZHO RU VPRRWK RSHUDWLRQ URWDWLRQ PXVW QHFHVVDULO be left or anticlockwise The maximum rotation is 3500 rpm while the electric motor rated power is 30 W The motor is a brus...

Страница 21: ...the centre brush from coming into contact with the ground 8 Pick out the blue wire of the suction motor and connect the clamp on ammeter to it 9 Turn the key to position I to turn on the machine the b...

Страница 22: ...ake sure the fan does not touch or rub against the machine frame 12b Check the motor carbon brushes for wear 12c Replace the suction motor with a new one Depending on the direction in which the curren...

Страница 23: ...OLQJ RSHUDWLRQV VDIHO 3 Turn the front cowling and after undoing the screws remove the top cowling to access the battery compartment 4 Disconnect and remove the battery from the machine 5 Disconnect t...

Страница 24: ...special bag for the charging cable from its support plate after undoing the two screws for the battery charger and the two for the bag 10 8QVFUHZ WKH WZR KH DJRQDO KHDG VFUHZV WR UHPRYH WKH EDWWHU FK...

Страница 25: ...ZR EROWV LQJ WKH WUDFWLRQ PRWRU DQG H WUDFWRU IDQ PRWRU VXSSRUW SODWH DQG UHPRYH LW 13 Before removing the motor support plate detach the brush motor cables from the two connectors 14 Remove the motor...

Страница 26: ...HO LQJ WKH IDQ WR WKH PRWRU VKDIW DQG UHPRYH LW 17 8QVFUHZ WKH WZR VFUHZV WKDW WKH PRWRU WR WKH VXSSRUW SODWH DQG UHPRYH LW 18 Replace the motor Reassembly 1 To reassemble repeat the disassembly opera...

Страница 27: ...he battery 4 Disassemble the battery charger support bracket complete with battery charger and cable bag 5 Undo the two screws on the vacuum motor end cap and remove it 6 Pay attention to the shims on...

Страница 28: ...KDQ PP LQFKHV 14 In the event that the measurement is close to the value indicated in the table replace the carbon brush after detaching it from the end cap 15 Blow the inside of the motor clean with...

Страница 29: ...bearing depending on the thickness and resting on the gear reducer 2 Solder the leads of the carbon brushes to the same position where the power leads are soldered 3 Shift the springs to facilitate in...

Страница 30: ...U DQG WZR RSSRVLQJ HFFHQWULF ZHLJKWV RQ WKH outside of the electric motor shaft that when rotating create strong vibrations across the HQWLUH OWHU 7KH HOHFWULF PRWRU LV SRZHUHG DW 9 ZLWK D QRPLQDO SRZ...

Страница 31: ...I DW OHDVW DPSHUHV 5 2SHQ WKH IURQW FRZOLQJ SLFN RXW WKH UHG ZLUH RI WKH OWHU VKDNHU PRWRU DQG FRQQHFW WKH DPPHWHU FODPS WR LW 6 Turn the key to position I to turn on the machine the brush will start...

Страница 32: ...n Max LOWHU VKDNHU PRWRU 4 8 A 5 9 A E F 10 Conversely if the value is at variance with those indicated in the table proceed to make the following checks 10a 0DNH VXUH WKDW WKH ZLULQJ WKDW SRZHUV WKH...

Страница 33: ...WR SHUIRUP WKH GLVPDQWOLQJ RSHUDWLRQV VDIHO 3 Turn the front cowling and after undoing the screws remove the top cowling to access the battery compartment 4 Disconnect and remove the battery from the...

Страница 34: ...LQJ WKH HPHUJHQF VZLWFK LVFRQQHFW WKH HOHFWURQLF FLUFXLW IURP WKH EDWWHULHV E GHWDFKLQJ RQH RU ERWK EDWWHU FRQQHFWRUV i INFORMATION Important information KHQ FRQVXOWLQJ WKLV 6HUYLFH PDQXDO WKH UHDGHU...

Страница 35: ...eed at the gear reducer output shaft is 210 rpm The rated power of the motor is 25 5W while the voltage is 12V DC The maximum current draw of the motor at starting is 57A with a maximum torque of 21 N...

Страница 36: ...the current draw to stabilize read the value on the clamp on ammeter display and compare it with that in the table 10 If the value falls within the range indicated in the table disconnect the instrume...

Страница 37: ...tor pulley and check the no load current draw 12a If the reading is outside of the values shown in the table usually higher check motor carbon brush wear 12b If the reading is included in the values i...

Страница 38: ...cess the drive motor 4 Undo the two screws to remove the belt guard 5 Unseat the belt from the pulley on the drive motor to facilitate a visual check of its wear 6 Rotate the belt by hand to check its...

Страница 39: ...P WKH D OH 6 8 7 5HSODFLQJ WKH GULYH EHOW The drive belt will need replacing typically when worn to the point of breaking However in order to avoid machine downtime it may be useful to replace the bel...

Страница 40: ...the new belt repeat the disassembly operations in reverse order 9 Undo the four Allen screws the self tapping screw and remove the left side guard 10 Undo the two screws to remove the belt guard 11 Un...

Страница 41: ...XQG WKH PDFKLQH WR SHUIRUP WKH GLVPDQWOLQJ RSHUDWLRQV VDIHO 3 Turn the front cowling and after undoing the screws remove the top cowling to access the drive motor 4 Disconnect and remove the battery f...

Страница 42: ...Q 10 Unscrew the three Allen screws to remove the plastic centering device with bearing and the drive motor 11 Remove the key from the drive motor shaft and reuse it for the new motor 12 Rotate the mo...

Страница 43: ...HQRXJK URRP DURXQG WKH PDFKLQH WR SHUIRUP WKH GLVPDQWOLQJ RSHUDWLRQV VDIHO 3 Turn the front cowling and after undoing the screws remove the top cowling to access the battery compartment 4 Disconnect...

Страница 44: ...2020 44 of 61 8 Undo the two screws on the drive motor securing the hood and lift the latter 9 Pay attention to the shims on the rotor shaft the number and their position 10 6KLIW WKH VSULQJ H WUDFW W...

Страница 45: ...ace them even if still within tolerance 12 Measure the carbon brush to determine wear and then compare the values against those shown below 13 7KH OHQJWK RI WKH FDUERQ EUXVK PXVW EH QR OHVV WKDQ PP LQ...

Страница 46: ...bearing depending on the thickness and resting on the gear reducer 2 Solder the leads of the carbon brushes to the same position where the power leads are soldered 3 Shift the springs to facilitate in...

Страница 47: ...SUHVVLQJ WKH HPHUJHQF VZLWFK LVFRQQHFW WKH HOHFWURQLF FLUFXLW IURP WKH EDWWHULHV E GHWDFKLQJ RQH RU ERWK EDWWHU FRQQHFWRUV i INFORMATION Important information KHQ FRQVXOWLQJ WKLV 6HUYLFH PDQXDO WKH U...

Страница 48: ...GULYH EUXVK H WUDFWRU OWHU shaker against short circuit The electronic board is powered by the ignition key after checking the battery charge level WKH NH DFWLYDWHV WKH SRZHU UHOD WWHG RQ WKH ERDUG ZK...

Страница 49: ...DW GU RRULQJ 2 Make sure that there is enough room around the machine to perform the dismantling operations safely 3 Turn the front cowling and after undoing the screws remove the top cowling to acces...

Страница 50: ...eps in reverse order 8 7 Undo the 4 screws that secure the protective guard to access the display board 8 Visually check that the fuse is not blown if necessary check it with a multimeter 9 Position t...

Страница 51: ...ve the top cowling to access the battery compartment 4 Disconnect the control panel connectors from the main wiring 5 8QGR WKH KH DJRQDO VFUHZV RI WKH FRQWURO SDQHO VXSSRUW DQG UHPRYH LW 5 5 6 6 KHFNL...

Страница 52: ...peating the disassembly operations in reverse order 9 7 Undo the 4 screws that secure the protective guard to access the display board 8 Visually check that the fuse is not blown if necessary check it...

Страница 53: ...tling operations safely 3 Turn the front cowling and after undoing the screws remove the top cowling to access the battery compartment 4 Disconnect the control panel connectors from the main wiring 5...

Страница 54: ...ons in reverse order 9 7 Disconnect the two fast ons from the ignition key 8 Unscrew the 4 studs to remove the display board from the control panel 9 DUHIXOO OLIW WKH GLVSOD ERDUG WR GLVFRQQHFW WKH ID...

Страница 55: ...n brush Traction Fan motor Shaker Deviator ON OFF key BATTERY 12V OPTIONAL OnBoard battery charger Enable switch Plug batt batt Main fuse 50A Display fuse 1 6Af DISPLAY Supply Feedback Led Fuse 30A Fu...

Страница 56: ...HPHUJHQF VZLWFK LVFRQQHFW WKH HOHFWURQLF FLUFXLW IURP WKH EDWWHULHV E GHWDFKLQJ RQH RU ERWK EDWWHU FRQQHFWRUV i INFORMATION Important information KHQ FRQVXOWLQJ WKLV 6HUYLFH PDQXDO WKH UHDGHU ZLOO HQF...

Страница 57: ...c TIC of the relay activation go to point 6 5 Check the cable between the relay and the key lock and the cable between the relay and the battery negative pole A If the cables are good replace the rela...

Страница 58: ...the collection hopper 7KH PDFKLQH OHDYHV GLUW RQ WKH JURXQG Check fuse F3 30A A If the fuse is blown replace it B If the fuse is good go to point 2 LVFRQQHFW WKH PRWRU ZLUHV IURP WKH ZLULQJ H WHQG the...

Страница 59: ...tween F1 fuse and display board A If the wiring is damaged locate the break point and repair replace the wiring B If wiring is intact replace the display board 7KH PDFKLQH GRHV QRW PRYH Check F2 fuse...

Страница 60: ...ce it B If the motor runs go to point 3 Check wiring between motor and F4 fuse A If the wiring is damaged locate the break point and repair replace the wiring B If wiring is intact go to point 4 Check...

Страница 61: ...ember 17 2020 61 of 61 PLDC04364 REVISION 00 December 16 2020 TECHNICAL OFFICE 7 1 6 59 0 18 5 9 6 216 83 7 6 EDITION No DATE Edition 00 Completion of drafting and correction December 16 2020 Edition...

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