Advance acoustic BA 5321 Manuale utente

BA 5321/D - BA 6124D

SERVICE MANUAL

Advance Models:

08838130 - 08838135 from serial number 1640309

08603992(1)2003-06

908 7014 020

Nilfisk-Advance, Inc.

14600 21st Avenue North

Plymouth, MN, 55447-3408

www.nilfisk-advance.com

Phone: 800-989-2235

Fax: 800-989-6566

Plymouth, MN 55447-3408

Printed in Italy

SERVICE MANUAL

08603992(1)2003-06 1

INDEX

GENERAL INFORMATION 3

MACHINE LIFTING 3

MACHINE TRANSPORTATION 3

MACHINE PUSHING OR TOWING 3

OTHER AVAILABLE MANUALS 3

SAFETY - ACCIDENT PREVENTION 4

GENERAL SAFETY RULES 4

TECHNICAL DATA 5

MAINTENANCE 7

SCHEDULED MAINTENANCE 7

MACHINE NOMENCLATURE 8

DETERGENT SUPPLY SYSTEM 10

DETERGENT TANK AND SUPPLY SYSTEM CLEANING 10

DETERGENT FILTER CLEANING 10

SOLENOID VALVE AND DETERGENT FLOW TAP REPLACEMENT 11

DETERGENT FLOW CABLE AND CONTROL LEVER REPLACEMENT 12

TROUBLESHOOTING 13

SMALL AMOUNT OF THE DETERGENT OR NO DETERGENT REACHES THE BRUSH 13

THE DETERGENT REACHES THE BRUSH ALSO WHEN THE MACHINE IS OFF 13

SWEEPING SYSTEM 14

BRUSH MOTOR ELECTRICAL INPUT CHECK (BA 5321/D Only) 14

BRUSH MOTOR ELECTRICAL INPUT CHECK (BA 6124D Only) 15

BRUSH MOTOR REPLACEMENT (BA 5321/D Only) 17

BRUSH MOTOR REPLACEMENT (BA 6124D Only) 19

BRUSH MOTOR BRUSHES (OR CARBON BRUSHES) CHECK AND REPLACEMENT (BA 5321/D Only) 22

BRUSH MOTOR BRUSHES (OR CARBON BRUSHES) CHECK AND REPLACEMENT (BA 6124D Only) 23

BRUSH BELT CHECK (BA 6124D Only) 24

BRUSH BELT REPLACEMENT AND HEAD BEARINGS CHECK (BA 6124D Only) 25

BRUSH REDUCTION UNIT REPLACEMENT (BA 5321/D Only) 28

BRUSH ROTATION CONSENT MICRO-SWITCH ADJUSTMENT 33

TROUBLESHOOTING 34

OPEN CIRCUIT 34

THE BRUSH DOES NOT ROTATE 34

RECOVERY SYSTEM 35

FLOAT SHIELD AND SUCTION PRE-FILTER CLEANING 35

SUCTION PRE-FILTER ASSEMBLY REPLACEMENT 36

TANK COVER GASKET AND COMPENSATION HOLE CHECK 37

SUCTION MOTOR ELECTRICAL INPUT CHECK 38

SUCTION MOTOR REMOVAL 39

SUCTION MOTOR BRUSH/CARBON BRUSH CHECK AND REPLACEMENT 40

SUCTION MOTOR BRUSH/CARBON BRUSH CHECK AND REPLACEMENT 41

RECOVERY WATER DRAIN PIPE REMOVAL 42

PULIZIA/CONTROLLO VENTOSA DI ASPIRAZIONE ED EVENTUALE SOSTITUZIONE DEI FLAP 43

SUCTION CAP CHECK/CLEANING AND POSSIBLE FLAPS REPLACEMENT 44

SUCTION CAP REMOVAL 44

RECOVERY SYSTEM 45

TROUBLESHOOTING 45

DIRTY WATER SUCTION IS INSUFFICIENT OR THERE IS NO SUCTION 45

THE SUCTION CAP LEAVES LINING OR DOES NOT COLLECT WATER 45

SERVICE MANUAL

208603992(1)2003-06

TRACTION SYSTEM 46

DRIVE MOTOR ELECTRICAL INPUT CHECK 46

DRIVE MOTOR REMOVAL 48

DRIVE MOTOR BRUSH (OR CARBON BRUSH) CHECK AND REPLACEMENT 50

POTENTIOMETER ADJUSTMENT 52

TROUBLESHOOTING 53

OPEN CIRCUIT 53

THE MACHINE DOES NOT MOVE 53

ELECTRICAL SYSTEM 54

BATTERY REMOVAL 54

BATTERY MAINTENANCE AND RECHARGING 54

TRACTION ELECTRONIC BOARD REPLACEMENT 54

SERVICE ELECTRONIC BOARD REPLACEMENT 55

ELECTRONIC BOARD CONTROLLING THE BRUSH MOTOR OPERATION CHECK

AND REPLACEMENT (BA 6124D Only)) 56

TROUBLESHOOTING 58

COMPONENT LAYOUT 58

BA 5321 WIRING DIAGRAM 60

WIRING DIAGRAM BA 5321D 61

WIRING DIAGRAM BA 6124D 62

SERVICE MANUAL

GENERAL INFORMATION

08603992(1)2003-06 3

GENERAL INFORMATION

MACHINE LIFTING

MACHINE TRANSPORTATION

MACHINE PUSHING OR TOWING

OTHER AVAILABLE MANUALS

The following manuals are available by Advance Literature Service Department:

– BA 5321/D - BA 6124D Part List – Form Number 08812649

– BA 5321/D - BA 6124D Instructions for Use - Form Number 08812648

WARNING !

Do not work under the lifted machine, if it is not securely fixed.

WARNING !

Before transporting the machine, ensure that:

• All doors and carters are closed

• The ignition key is not inserted

• The machine is fastened to the mean of transportation

WARNING !

Do not move the machine by pushing or towing it, unless you follow the procedures described

in the Use and Maintenance Manual. If you do not follow the specified procedures the machine

can be damaged.

SERVICE MANUAL

GENERAL INFORMATION

408603992(1)2003-06

SAFETY - ACCIDENT PREVENTION

Advance uses the following symbols to indicate potentially dangerous situations. Always read carefully this

information and take the necessary precautions to protect people and objects.

GENERAL SAFETY RULES

Specific warnings and cautions to inform about potential damages to people and machine are shown below.

DANGER !

Indicates the risk of being injured or the risk of death.

WARNING !

Indicates the risk of being injured.

CAUTION !

Indicates the risk of light injuries to people, machine or other objects.

WARNING !

Drive the machine on a level ground; to perform maintenance/repair procedures turn the

machine ignition key to OFF position and disconnect the battery.

This machine must be used by qualified and authorized personnel only.

Keep the battery far from sparks, flames and smoke. During the normal operation explosive

gases are delivered.

Do not wear jewels when working near electrical components.

Do not work under the lifted machine, if it is not securely fixed.

Do not operate the machine near inflammable liquids or vapors.

CAUTION !

Carefully read all maintenance/repair instructions before performing any maintenance/repair

procedure.

Take all necessary precautions to prevent hair, jewels and loose clothes from being caught by

the machine moving parts.

Battery charging produces explosive hydrogen gas. Charge the batteries only in well-ventilated

areas and far from naked flames.

Do not smoke during battery charging.

Do not leave the machine unattended on slopes with the ignition key still inserted.

Do not use the machine on slopes with an inclination higher than 2%.

Do not wash the machine with pressurized water.

Do not use the machine in too dusty areas.

This machine is not suitable for collecting dangerous powders.

Take care when the machine gets under the freezing temperature, because the water inside tanks

and pipes can freeze.

While using this machine, take care not to cause damage to people and children especially.

This machine cannot be used on public roads.

SERVICE MANUAL

GENERAL INFORMATION

08603992(1)2003-06 5

TECHNICAL DATA

Dimensions

BA 5321/D - BA 6124D BA 5321/D BA 6124D

Suction width 770 mm (30 in) 812 mm (32 in)

Sweeping width 530 mm (20.8 in) 610 mm (24 in)

Machine length 1330 mm (52 in) 1311 mm (51.61 in)

Machine height at the maneuver

handle 1078.5 mm (42.5 in) 1078 mm (42.4 in)

Brush dimension ø530 mm (20.8 in) ø305 mm (12 in)

Brush speed 180 RPM 220 RPM

Brush pressure on the floor 27 kg (60 lbs) 35.5 kg (78 lbs)

Forward maximum speed (*) 4.5 km/h (2.8 mph) (*) 4.5 km/h (2.8 mph)

Detergent tank capacity 55 liters (13.2 gal) 55 liters (13.2 gal)

Recovery water tank capacity 55 liters (13.2 gal) 55 liters (13.2 gal)

Machine weight (without batteries) 134 kg (296 lbs) 150 kg (330 lbs)

Batteries

Standard batteries (no. 2 batteries) 12 Volt, 100 Ah 12 Volt, 100 Ah

General technical characteristics

Electrical system voltage 24 V 24 V

Brush motor 650 W 650 W

Suction motor 500 W 500 W

Drive motor (*) 200 W (*) 200 W

Dirty water suction pressure 13 kPa (56.9 in/water) 13 kPa (56.9 in/water)

(*) for BA 5321D

SERVICE MANUAL

GENERAL INFORMATION

608603992(1)2003-06

S300455

Size in mm

998

560,5

770

1330

1078.5

812

634

1311

998

1078

BA 5321/D

BA 6124D

SERVICE MANUAL

GENERAL INFORMATION

08603992(1)2003-06 7

MAINTENANCE

SCHEDULED MAINTENANCE

The machine proper and safe operation is granted by a careful and constant maintenance.

The following table sums up the scheduled maintenance. The indicated periods can be subjected to variations

according to working conditions. These must be defined by the person in charge of maintenance.

For maintenance operation instructions see the following paragraphs.

See GENERAL INFORMATION and SAFETY - ACCIDENT PREVENTION

Maintenance operation On delivery After use

(daily)

Every 25

hours (or

weekly)

Every 100

hours

Every 200

hours

Charge the battery •

Battery liquid level and voltage

(Volt) • •

Suction cap cleaning/check •

Float shield and suction pre-filter

cleaning •

Tank cover gasket check

(vacuum chamber) •

Detergent tank and supply

system cleaning •

Detergent filter cleaning •

Ispezione ai serbatoi e ai tubi

flessibili •

Hose and tank inspection •

Electric suction motor brush (or

carbon brush) check and

replacement •

Electric drive motor brush (or

carbon brush) check and

replacement •

Electric brush rotation motor

brush (or carbon brush) check

and replacement •

Brush rotation toothed belt check •

SERVICE MANUAL

GENERAL INFORMATION

808603992(1)2003-06

MACHINE NOMENCLATURE

In this Manual you find numbers in brackets –example: (2). These numbers refer to the components indicated in

these two nomenclature pages. Refer to these pages each time you want to find the component mentioned in the

text.

1. Speed control potentiometer (*)

2. Main key switch (*)

3. Brush switch

4. Suction switch

5. Battery condition indicator

6. Detergent flow control lever

7. Hour counter

8. Start/Stop drive panel

9. Squeegee lifting/lowering handle

10. Brush lifting/lowering pedal

11. Water recovery tank

12. Recovery tank automatic float shut-off

13. Suction pre-filter

14. Detergent tank

15. Suction motor

16. Brush motor

17. Traction adjusting handles (BA 5321/D only)

18. Brush (BA 5321/D)

19. Integrated battery charger

20. Circuit panel

21. Drive motor (*)

22. Batteries

23. Squeegee assembly

24. Tank covers

25. Recovery water drain pipe

26. Detergent drain pipe

27. Tank assembly

28. Key (supplied with the machine)

29. Tank assembly fastening screw

30. Machine maneuver handle

31. Battery frame

32. Front wheel

33. Driving wheels (*)

34. Drive motor thermal fuse

35. Brush motor thermal fuse

36. Suction motor thermal fuse

37. Brush reduction unit (BA 5321/D)

38. Suction cap balancing adjustment handwheel

39. Traction switch (*)

40. Acoustic insulation assembly

41. Brushes (BA 6124D only)

42. Brush motor electronic board and protective cover (BA 6124D

only)

43. Inspection cover for brush rotation belt (BA 6124D only)

44. Brush release push-button (BA 6124D only)

45. Splash-shield (BA 6124D only)

46. Commutator for WET or GEL batteries

47. Electrical connection to the network, during battery recharging

(version with battery charger installed on the machine)

(*) BA 5321D / BA 6124D

S300456

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