Nilfisk-Advance BA 450 Manuel utilisateur

BA 450/530

BA 5321

08812876(1)2002-01

SERVICE MANUAL

Nilﬁsk-Advance Italia S.p.A

Località Novella Terza

686 Guardamiglio (Lodi) Italia

www.nilﬁsk-advance.com

Phone: +39 0377 4511 4

Fax: +39 0377 51443

Printed in Italy

SERVICE MANUAL

08812876(1)2002-01 49

INDEX

GENERAL INFORMATION 51

MACHINE LIFTING 51

MACHINE TRANSPORTATION 51

MACHINE PUSHING OR TOWING 51

OTHER AVAILABLE MANUALS FOR BA 450/530 51

SAFETY - ACCIDENT PREVENTION 52

GENERAL SAFETY RULES 52

TECHNICAL DATA 53

MAINTENANCE 55

SCHEDULED MAINTENANCE 55

MACHINE NOMENCLATURE 56

DETERGENT SUPPLY SYSTEM 58

DETERGENT TANK AND SUPPLY SYSTEM CLEANING 58

DETERGENT FILTER CLEANING 58

SOLENOID VALVE AND DETERGENT FLOW TAP REPLACEMENT 59

DETERGENT FLOW CABLE AND CONTROL LEVER REPLACEMENT 60

TROUBLESHOOTING 61

SMALL AMOUNT OF THE DETERGENT OR NO DETERGENT REACHES THE BRUSH 61

THE DETERGENT REACHES THE BRUSH ALSO WHEN THE MACHINE IS OFF 61

SWEEPING SYSTEM 62

BRUSH MOTOR ELECTRICAL INPUT CHECK 62

BRUSH MOTOR REPLACEMENT 63

BRUSH REDUCTION UNIT REPLACEMENT 64

BRUSH ROTATION CONSENT MICRO-SWITCH ADJUSTMENT 66

TROUBLESHOOTING 67

OPEN CIRCUIT 67

THE BRUSH DOES NOT ROTATE 67

RECOVERY SYSTEM 68

FLOAT SHIELD AND SUCTION PRE-FILTER CLEANING 68

SUCTION PRE-FILTER ASSEMBLY REPLACEMENT 69

TANK COVER GASKET AND COMPENSATION HOLE CHECK 70

SUCTION MOTOR ELECTRICAL INPUT CHECK 71

SUCTION MOTOR REMOVAL 72

SUCTION MOTOR BRUSH/CARBON BRUSH CHECK AND REPLACEMENT 73

RECOVERY WATER DRAIN PIPE REMOVAL 74

SUCTION CAP CHECK/CLEANING AND POSSIBLE FLAPS REPLACEMENT 75

DUST AND DEBRIS COLLECTION SYSTEM SUCTION CAP REMOVAL 76

TROUBLESHOOTING 77

DIRTY WATER SUCTION IS INSUFFICIENT OR THERE IS NO SUCTION 77

THE SUCTION CAP LEAVES LINING OR DOES NOT COLLECT WATER 77

TRACTION SYSTEM 78

TRACTION MOTOR ELECTRICAL INPUT CHECK 78

TRACTION MOTOR REMOVAL 80

TRACTION MOTOR BRUSH (OR CARBON BRUSH) CHECK AND REPLACEMENT 82

POTENTIOMETER ADJUSTMENT 84

TROUBLESHOOTING 85

OPEN CIRCUIT 85

THE MACHINE DOES NOT MOVE 85

SERVICE MANUAL

50 08812876(1)2002-01

ELECTRICAL SYSTEM 86

BATTERY REMOVAL 86

BATTERY MAINTENANCE AND RECHARGING 86

TRACTION ELECTRONIC BOARD REPLACEMENT 86

ELECTRICAL SYSTEM 87

SERVICE ELECTRONIC BOARD REPLACEMENT 87

TROUBLESHOOTING 88

COMPONENT LAYOUT 88

WIRING DIAGRAM BA 450/530 - after serial number 014106978 90

WIRING DIAGRAM BA 5321 - after serial number 1514570 94

WIRING DIAGRAM BA 5321D - after serial number 1514570 95

SERVICE MANUAL

GENERAL INFORMATION

08812876(1)2002-01 51

GENERAL INFORMATION

MACHINE LIFTING

MACHINE TRANSPORTATION

MACHINE PUSHING OR TOWING

OTHER AVAILABLE MANUALS FOR BA 450/530

The following manuals are available by Nilfisk Literature Service Department:

–BA 450/530 Part List –Nilfisk Form Number 08603654(2)00-12

–BA 450/530 Use and Maintenance Manual.- Nilfisk Form Number 08812382(2)2001-03

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

52 08812876(1)2002-01

SAFETY - ACCIDENT PREVENTION

Nilfisk 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!

To perform maintenance/repair procedures, put the machine on a flat floor, turn the 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 carrying out any maintenance/repair

procedure.

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

the machine moving parts.

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

areas and far from naked flames.

Do not smoke during battery charging.

Do not leave the machine unattended on an inclined floor.

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 picking up hazardous dust.

If the temperature is below 0°, the water present into the reservoirs and into the pipes of the

machine could freeze.

During the use of 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

08812876(1)2002-01 53

TECHNICAL DATA

Dimensions

BA 450 BA 530 BA 5321

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

Sweeping width 17.7 in (450 mm) 20.8 in (530 mm) 20.8 in (530 mm)

Machine length 49 in (1250 mm) 52 in (1330 mm) 52 in (1330 mm)

Machine height at the maneuver handle 42.5 in (1078.5 mm) 42,5 in (1078,5 mm) 42,5 in (1078,5 mm)

Brush dimension Ø450 mm (17.7 in) Ø530 mm (20.8 in) Ø530 mm (20.8 in)

Brush speed 180 RPM 180 RPM 180 RPM

Brush pressure on the floor 34 Kg 27 kg 27 kg

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

Reverse maximum speed (*) 2.2 km/h 2.2 km/h 2.2 km/h

Max slope 2 % 2 % 2 %

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

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

Machine weight (without batteries) 134 kg 134 kg 134 kg

Machine weight (with standard batteries) 215 kg 215 kg 215 kg

Standard battery weight 81 Kg 81 Kg 81 Kg

Batteries

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

Battery voltage 24 V 24 V 24 V

Battery housing, dimensions

Height 295 mm (11.5 in) 295 mm (11.5 in) 295 mm (11.5 in)

Width 345 mm (13.5 in) 345 mm (13.5 in) 345 mm (13.5 in)

Length 350 mm (13.5 in) 350 mm (13.5 in) 350 mm (13.5 in)

General technical characteristics

Electrical system voltage 24 V 24 V 24 V

Brush motor 650 W - 1600 RPM 650 W - 1600 RPM 650 W - 1600 RPM

Suction motor 500 W - 3300 RPM 500 W - 3300 RPM 500 W - 3300 RPM

Traction motor 200 W - 120 RPM 200 W - 120 RPM 200 W - 120 RPM

Dirty water suction pressure 13 kPa 13 kPa 13 kPa

Air intake 31 l/sec 31 l/sec 31 l/sec

(*) BA 450/530 with traction motor only

SERVICE MANUAL

GENERAL INFORMATION

54 08812876(1)2002-01

S300161

Dimensions expressed by mm

998

560,5

443

770

BA 450 = 1250

BA 530 / CA 5321 = 1330

1078,5

SERVICE MANUAL

GENERAL INFORMATION

08812876(1)2002-01 55

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 for the 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

Battery charging •

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 •

Hose and tank inspection •

Nut and screw tightening check •

Electric suction motor brush (or

carbon brush) check and

replacement •

Electric traction motor brush (or

carbon brush) check and

replacement •

SERVICE MANUAL

GENERAL INFORMATION

56 08812876(1)2002-01

MACHINE NOMENCLATURE

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

the 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 switch with key (*)

3. Brush switch

4. Suction switch

5. Battery condition indicator

6. Detergent flow control lever

7. Hour counter

8. Start/Stop activation panel

9. Suction cap lifting/lowering handle

10. Brush lifting/lowering pedal

11. Water recovery tank

12. Recovery tank automatic closing with float

13. Suction pre-filter

14. Detergent tank

15. Suction motor

16. Brush motor

17. Traction adjusting handles

18. Brush

19. Integrated battery charger (**)

20. Circuit panel

21. Traction motor (*)

22. Batteries

23. Suction cap 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. Traction motor thermal fuse

35. Brush motor thermal fuse

36. Suction motor thermal fuse

37. Brush reduction unit

38. Suction cap balancing adjustment handwheel

39. Traction switch (*)

(*) BA 450/530 with traction motor only

(**) Optional

S300162

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