Nilfisk-Advance SR 1100 P/B User manual

SR 1100 P/B
SR 5110 P/B
S30N1100(1)2002-01
MANUALE DI ASSISTENZA
SERVICE MANUAL

Nilfisk-Advance Italia S.p.A
Località Novella Terza
686 Guardamiglio (Lodi) Italia
www.nilfisk-advance.com
Phone: [phone]
Fax: [phone]
Printed in Italy

SERVICE MANUAL
GB
S30N1100(1) 00 -01 65
INDEX
GENERAL INFORMATION 67
HOOD SUPPORT ROD SAFETY DEVICE 67
MACHINE LIFTING 67
MACHINE TRANSPORTATION 67
MACHINE PUSHING OR TOWING 67
OTHER AVAILABLE MANUALS 67
SAFETY - ACCIDENT PREVENTION 68
GENERAL SAFETY RULES 68
TECHNICAL DATA 69
SAFETY CODES 71
MAINTENANCE 7
SCHEDULED MAINTENANCE 7
MACHINE NOMENCLATURE 74
MACHINE NOMENCLATURE (CONTINUE) 75
SPECIFIC COMPONENTS FOR THE PETROL VERSION ENGINE 76
SWEEPING SYSTEM 77
VISUAL INSPECTION OF THE BELT FROM THE ENGINE TO THE MAIN BRUSH 77
BELT REPLACEMENT 77
MAIN BRUSH HEIGHT ADJUSTMENT 78
MAIN BRUSH REPLACEMENT 78
SIDE BRUSH HEIGHT ADJUSTMENT 79
SIDE BRUSH REPLACEMENT 80
SIDE BRUSH LIFTING CABLE/LEVER REMOVAL 81
LEFT SIDE BRUSH KIT ASSEMBLY (OPTIONAL) 8
SIDE BRUSH MICRO-SWITCH ADJUSTMENT 84
MAIN BRUSH MOTOR ELECTRICAL INPUT CHECK 85
MAIN BRUSH MOTOR REPLACEMENT 86
MAIN BRUSH MOTOR BRUSHES (OR CARBON BRUSHES) CHECK AND REPLACEMENT 87
SIDE BRUSH MOTOR ELECTRICAL INPUT CHECK 88
SIDE BRUSH MOTOR REPLACEMENT 89
SIDE BRUSH MOTOR BRUSHES (OR CARBON BRUSHES) CHECK AND REPLACEMENT 90
MAIN BRUSH ACTUATOR REMOVAL 91
FLAP 92
FLAP HEIGHT AND OPERATION CHECK (AND ADJUSTMENT) 9
SIDE FLAP REPLACEMENT 93
REAR FLAP REPLACEMENT 93
FRONT FLAP REPLACEMENT 94
FRONT FLAP CONTROL CABLE REPLACEMENT 95
DUST AND DEBRIS COLLECTION SYSTEM 96
PANEL FILTER CLEANING AND INTEGRITY CHECK 96
INTAKE ELECTRIC FAN REMOVAL 97
FILTER SHAKER OPERATION CHECK 98
FILTER SHAKER ELECTRIC MOTOR REPLACEMENT 98
STEERING AND BRAKING SYSTEM 99
STEERING CHAIN CHECK AND CLEANING 99
SERVO BRAKE AND PARKING BRAKE ADJUSTMENT 99
BRAKE ASSEMBLY REMOVAL 100
BRAKE CONTROL CABLE REMOVAL 101
STEERING CHAIN/BEARING REMOVAL 10
TRACTION SYSTEM 104
TRACTION MOTOR ELECTRICAL INPUT CHECK 104

SERVICE MANUAL
GB
66 S30N1100(1) 00 -01
TRACTION MOTOR AND/OR TRACTION BEARING REPLACEMENT 105
TRACTION MOTOR BRUSH CHECK AND REPLACEMENT 107
MACHINE RUNNING CONSENT MICRO-SWITCH ADJUSTMENT 108
ACCELERATOR POTENTIOMETER ADJUSTMENT 109
MACHINE RUNNING CONSENT MICRO-SWITCH REMOVAL 110
OTHER SYSTEMS 111
FLASHING LIGHT AND SUPPORT INSTALLATION (OPTIONAL) 111
ADVANCE BUMPER INSTALLATION (OPTIONAL) 11
SCREW AND NUT TIGHTENING CHECK 113
ELECTRICAL SYSTEM 114
BATTERY REMOVAL, INSTALLATION, MAINTENANCE AND CHARGING 114
FUSE REPLACEMENT 114
POWER ELECTRONIC BOARD REPLACEMENT 115
COMPONENT LAYOUTI 116
WIRING DIAGRAM 118
PETROL VERSION ENGINE 120
ENGINE MANUAL START (EMERGENCY CONDITION), WITH THE BATTERY COMPLETELY
DISCHARGED 1 0
ENGINE AIR FILTER CLEANING 1 1
ENGINE OIL REPLACEMENT 1
CHECK AND TENSION OF THE BELT FROM THE ENGINE TO THE DYNAMOTOR 1 3
REPLACEMENT OF THE BELT FROM THE ENGINE TO THE DYNAMOTOR 1 4
DYNAMOTOR REMOVAL 1 5
DYNAMOTOR BRUSH/CARBON BRUSH CHECK AND REPLACEMENT 1 6
TROUBLESHOOTING 127
ELECTRICAL PART 1 7
MECHANICAL PART 1 7

SERVICE MANUAL
GENERAL INFORMATION
GB
S30N1100(1) 00 -01 67
GENERAL INFORMATION
HOOD SUPPORT ROD SAFETY DEVICE
MACHINE LIFTING
MACHINE TRANSPORTATION
MACHINE PUSHING OR TOWING
OTHER AVAILABLE MANUALS
The following manuals are available by Nilfisk Literature Service Department:
– SR 1100 P/B Part List – Nilfisk From Number S3 NM5110(5) 001-08
– SR 1100 P/B Use and Maintenance Manual - Nilfisk From Number S31NI51 0(3) 001-03
– Eco Troubleshooting Pocket Book
– User’s Manual for Honda petrol version engine
NOTICE!
Ensure that the support rod safety device (36) is inserted whenever you work under the open
hood (21).
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
GB
68 S30N1100(1) 00 -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 turn the machine ignition key to OFF position,
activate the parking brake 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.
Make sure the hood support rod is securely fixed when working under the open hood.
Instructions for petrol version engines:
–Do not refuel the machine in closed or not ventilated areas.
–Do not smoke and do not bring naked flames in the area where the machine is refueled.
–Do not fill the fuel tank completely; there must be no fuel at the tank entry.
–Check that the fuel tank cap is correctly closed.
–After each refueling, clean the tank area and allow the vapors to dissipate before starting
the engine.
–Exhaust gases contain carbon monoxide, a very poisonous gas that is odorless and
colorless; avoid inhaling it. Do not keep the engine running in a not ventilated room.
–Do not incline the engine more than 20°or the fuel can come out of the tank.

SERVICE MANUAL
GENERAL INFORMATION
GB
S30N1100(1) 00 -01 69
TECHNICAL DATA
Dimensions
Cleaning width with 1 side brush 35 in (900 mm)
Cleaning width with side brushes 43 in (1,100 mm)
Machine length 54 in (1,376 mm)
Machine width with one side brush 37.5 in (950 mm)
Machine width with one side brush 43 in (1,09 mm)
Machine height, at the steering wheel 47 in (1,193 mm)
Machine height, with the hood open 60 in (1,5 0 mm)
Minimum height from ground in (55 mm)
Front wheel, 3.00-4 Ø 9.8 in ( 50 mm)
Rear wheel drive (n° ) 3.00-4 Ø 9.8 in ( 50 mm)
Main brush, dimensions Ø 300 mm x 700 mm
Side brush, dimensions Ø 00 mm (430 mm)
Turning radius 51 in (1, 88.5 mm)
Main brush speed 550 RPM
Side brush speed 1 0 RPM
Forward maximum speed 7 km/h
Reverse maximum speed 3.5 km/h
Max slope 0 %
Hopper capacity 18.5 gal (70 liters)
Machine weight (without batteries) 40 kg
Batteries
Batteries, standard (no. 4 batteries) 6 Volt, 40 Ah
Battery voltage 4 V
Battery housing, dimensions
Height 13.5 in (350 mm)
Width 8.5 in (7 5 mm)
Length 18 in (465 mm)
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 with the ignition key inserted and the parking brake
deactivated.
Do not use the machine on slopes with an inclination higher than 20%.
Do not wash the machine with pressurized water.
Do not use the machine in too dusty areas.
During the use of this machine be very careful not to cause damage to people and children
especially.
This machine cannot be used on public roads.

SERVICE MANUAL
GENERAL INFORMATION
GB
70 S30N1100(1) 00 -01
General technical characteristics
Electrical system voltage 4 V
Main brush motor 500 W - 1600 RPM
Side brush motor 60 W -1 0 RPM
Suction motor 00 W -3300 RPM
Traction motor 450W - 1 0 RPM
Filter shaker motor 90 W -6000 RPM
Panel paper filter, standard .95 m from 15 to 0 µm
Vacuum in main brush compartment 10 ÷ 1 mm H O
Specific characteristics for the petrol version engine
Engine model Honda G150K1, 144 cc
Power at 3,600 RPM 3.8 Hp, .8 kW
Regulation at 3, 00 RPM 3 HP, . KW
Starter Electric
Fuel tank .5 liters
Engine oil 0.7 liters
Batteries, standard (no. batteries) 6 Volt, 40 Ah
Battery housing width 10.8 in ( 75 mm)
Machine weight (without batteries) 80 kg
S300073

SERVICE MANUAL
GENERAL INFORMATION
GB
S30N1100(1) 00 -01 71
SAFETY CODES
The following table describes the safety codes that appear on the display ( ) in case of machine malfunctions.
SAFETY CODE MACHINE BEHAVIOR MALFUNCTION
DESCRIPTION POSSIBLE INTERVENTION
205 All functions are disenabled
except for the traction The battery is discharged
– Recharge the battery
according to the
Maintenance paragraph
301 All functions and the traction
are disenabled
Traction motor
over-temperature
– If the machine has been
driven on a long slope,
allow the engine to cool
down for 0 minutes
– Check that the brakes are
not jammed
– Check that the drive
wheels turn freely
302 The machine does not start
or, if it is working, it stops
Possible problem of the
traction control
– Check the traction motor
carbon brushes
– Check the cables
connecting the traction
motor to the electronic
board
– If the engine and the cable
are operating properly,
replace the electronic
board
305 The machine functions stop
High temperature in the
electronic control circuits
(95°C)
– If the ambient temperature
is high, wait for 0 minutes
to allow the machine to get
cool. If the problem
persists call the Service
personnel to have the
electric motors checked
306 All functions and the traction
are disenabled
High temperature in the
electronic control circuits
(105°C)
Perform the same
procedures indicated for the
305 code
307 The machine does not start Key - accelerator wrong
sequence
Leave the accelerator pedal
in neutral position before
starting the machine
308 The machine does not start
Open circuit in the
accelerator pedal
potentiometer cable
Check the accelerator pedal
potentiometer connections,
or the potentiometer
condition
333 The machine does not start
– Red key to deactivate the
self-braking function not
inserted
– Possible problems at the
engine cables (short
circuit or poor
connections)
– Insert the red key and turn
it clockwise
– Check the engine cables
800 Flashing display – Main brush worn out Replace the main brush
E10 Flashing display Main brush jammed Disassemble the brush to
clean the relevant parts

SERVICE MANUAL
GENERAL INFORMATION
GB
7 S30N1100(1) 00 -01
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
Operation On delivery Every 5
hours
Every 50
hours
Every 100
hours
Every 00
hours
Every 400
hours
Battery liquid level and
voltage (Volt) •• (or two
weeks)
Visual inspection of the belt
from the engine to the main
brush • •
Flap height and operation
check • •
Side brush height adjustment •
Panel filter cleaning and
integrity check •
Filter shaker operation check •
Servo brake and parking
brake adjustment • •
Nut and screw tightening
check •
Steering chain check and
cleaning •
Replacement of the belt from
the engine to the main brush •
Electric motor brushes (or
carbon brushes) check and
replacement •

SERVICE MANUAL
GENERAL INFORMATION
GB
S30N1100(1) 00 -01 73
Specific operations for the petrol version engine (see also the User’s Manual for the petrol version engine):
(*) = Replace it for the first time after 0 hours or after 1 month.
Operation On delivery Twice a
week
Every 0
hours
Every 100
hours
Every 100
hours or
every 8
months
Every 400
hours
Engine oil level check • •
Engine air filter cleaning •
Engine oil replacement •(*)
Spark plug check/cleaning •
Belt tension check from the
engine to the dynamotor •
Replacement of the belt from
the engine to the dynamotor •
Engine speed check and
adjustment •

SERVICE MANUAL
GENERAL INFORMATION
GB
74 S30N1100(1) 00 -01
MACHINE NOMENCLATURE
In this Manual you find numbers in brackets – example: ( ). 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. Displayed data selection
. Four-digit display
3. Key and working program selection indicator P1
4. Key and working program selection indicator P
5. ON/OFF key and suction motor indicator
6. Side brush speed adjusting knob
7. Left/right side brush speed indicators
8. Filter shaker motor ON key
9. Emergency stop button
10. Ignition key
11. Petrol version engine start and stop button
1 . Forward/Reverse gear selection lever, lights and horn
ON/OFF
13. Steering wheel
14. Flap lifting pedal
15. Servo brake pedal
16. Accelerator
17. Parking brake lever
18. Left side brush control lever (optional)
19. Right side brush control lever
0. Operator’s seat
1. Hood, to reach the internal components
. Side flap
3. Front flap
4. Rear wheel
5. Main brush
6. Right side brush
7. Left side brush (optional)
8. Front wheel
9. Bumper (optional)
30. Front headlight
31. Electrical component case cover
3 . Cover screws
33. Front anchorages for machine lifting
34. Rear anchorages for machine lifting
35. Hopper
36. Open hood support rod
37. Batteries
38. Battery electrical connectors
39. Right side door
40. Left side door
41. Right side cover
4 . Cover screws
43. Traction deactivation key
44. Fan baffle plate
45. Baffle plate fastening screws
46. Hood lifting handle
47. Machine running consent under-seat switch electrical
connector
48. Machine running consent under-seat switch electrical cables
49. Clamp
50. Right side doorknob
51. Left side door screw
5 . Panel filter case cover
S300074

SERVICE MANUAL
GENERAL INFORMATION
GB
S30N1100(1) 00 -01 75
MACHINE NOMENCLATURE (CONTINUE)
S300075

SERVICE MANUAL
GENERAL INFORMATION
GB
76 S30N1100(1) 00 -01
SPECIFIC COMPONENTS FOR THE PETROL VERSION ENGINE
11. Petrol version engine start and stop button
37. Batteries
41. Right side cover of the engine compartment
4 . Cover screws
53. Petrol version engine
54. Ignition spark plug
55. Fuel fillercap
56. Fuel tank
57. Air filter
58. Electric generator
59. Separator panel between batteries and engine
S300076

SERVICE MANUAL
SWEEPING SYSTEM
GB
S30N1100(1) 00 -01 77
SWEEPING SYSTEM
VISUAL INSPECTION OF THE BELT FROM THE ENGINE TO THE MAIN
BRUSH
1. Turn the ignition key (10) to OFF position and activate the parking brake (17).
. Remove the screw (51) and open the left side door (40).
3. Visually inspect the timing belt (A) condition from the engine to the main brush.
4. If the timing belt is worn, replace it performing the following procedure.
5. Carry out step 1. and . in the reverse order.
Figure 1
S300077
BELT REPLACEMENT
1. Turn the ignition key (10) to OFF position and activate the parking brake (17).
. Remove the screw (51) and open the left side door (40).
3. To ease-off the belt tension, loosen the screws (A) and move the engine (B) in the direction indicated by the
arrow.
4. Remove the belt (C) from the pulleys.
5. Install the new belt (C) on the pulleys.
6. To tension the belt, move the engine (B) in the opposite direction of the arrow and then tighten the screws (A).
7. Carry out step 1. and . in the reverse order.
Figure 2
S300078

SERVICE MANUAL
SWEEPING SYSTEM
GB
78 S30N1100(1) 00 -01
MAIN BRUSH HEIGHT ADJUSTMENT
MAIN BRUSH REPLACEMENT
1. Turn the ignition key (10) to OFF position and activate the parking brake (17).
. Unscrew the knob (50) and open the right side door (39).
3. Unscrew and remove the fixing knobs (B) of the brush compartment cover.
4. Remove the brush compartment cover (B).
5. Pull out the worn brush (C).
6. Install the new brush on the machine and ensure that its flange (D) correctly fits on the related entrainer hub
(E). Check also that the entrainer hub is free from dirt or foreign materials (cords, clothes, etc.) accidentally
rolled up.
7. Carry out steps from 1. to 4. in the reverse order.
Remark: This machine is equipped with an automatic adjustment of the pressure (and of the
position) of the main brush; so, no adjustment is needed.
If the “800”code appears on the screen it means that the main brush is worn and it needs to be
replaced.
Remark: Brushes with harder or softer bristles are available. This procedure is applicable to each
type of brushes.
Figure 3
S300079
A
A
A
Figure 4
S300080
B
Figure 5
S300081
C
Figure 6
S30008

SERVICE MANUAL
SWEEPING SYSTEM
GB
S30N1100(1) 00 -01 79
SIDE BRUSH HEIGHT ADJUSTMENT
1. Check the side brushes correct height from the ground, proceeding as follows:
– Drive the machine on a level ground.
– When the machine is stopped lower the side brushes by means of the levers (18) and (19), then activate
the side brushes for few seconds.
– Stop and lift the side brushes, then move the machine.
– Check that the side brush print (C) is, in extension and orientation, as shown in the figure.
In case the print (A) is not within the specifications, it is necessary to adjust the brush height, proceeding as
described in step .
. Turn the ignition key (10) to OFF position and activate the parking brake (17).
3. Open the hood ( 1) and fix it with the support rod (36).
4. Unscrew the related knob (A) and by means of the lever (18) and/or (19) change the adjustment disk position
by one hole. Reinstall the knob (A).
5. Perform step 1 again to check the proper adjustment of the side brush height from ground.
6. When the side brushes are too worn out the adjustment is no more possible; replace the brushes according
to the instructions in the following paragraph.
Remark: Brushes with harder or softer bristles are available. This procedure is applicable to each
type of brushes.
Figure 7
S300083
Figure 8
S300084
B
A

SERVICE MANUAL
SWEEPING SYSTEM
GB
80 S30N1100(1) 00 -01
SIDE BRUSH REPLACEMENT
1. Turn the ignition key (10) to OFF position and activate the parking brake (17).
. Lift the brush, press the tabs (A) inward and remove the brush (B) disengaging it from the four pins (C).
3. Install the new brush on the machine engaging it on the pins (C) and on the tabs (A).
4. Carry out the side brush height adjustment as described on the previous page.
Figure 9
S300085
Remark 1: Brushes with harder or softer bristles are available. This procedure is applicable to
each type of brushes.
Remark 2: This procedure refers to the right brush: the procedure for the left brush is the same.

SERVICE MANUAL
SWEEPING SYSTEM
GB
S30N1100(1) 00 -01 81
SIDE BRUSH LIFTING CABLE/LEVER REMOVAL
1. Turn the ignition key (10) to OFF position and activate the parking brake (17).
. Open the hood ( 1) and fix it with the support rod (36).
3. Disconnect the battery electrical connector (38).
4. Remove the relevant side brush.
5. Disconnect the terminals (A and B) and then remove the cable (C) from the fairlead (D).
6. Disconnect the micro-switch electrical connection (M).
7. Remove the screws (E) and the lever (F).
8. Remove the screws (G) and the lever (H) at the cabinet bench.
9. Remove the screw (I) and separate the lever (H) in the two parts of which it is composed.
10. Remove the cable (L) from the lever (H) housing.
11. Reinstall in the reverse order of removal, tighten the terminals (A and B) on the cable (C) under the following
conditions:
– Lever (19) in “lifted” position
– Side brush ( 6) lifted cm from the ground.
1 . Carry out Side brush height adjustment (see related paragraph).
Figure 10
S300086
Remark: This procedure refers to the right brush: the procedure for the left brush is the same.

SERVICE MANUAL
SWEEPING SYSTEM
GB
8 S30N1100(1) 00 -01
LEFT SIDE BRUSH KIT ASSEMBLY (OPTIONAL)
1. Turn the ignition key (10) to OFF position and activate the parking brake (17).
. Open the hood ( 1) and fix it with the support rod (36).
3. Disconnect the battery electrical connector (38).
4. Install the motor assembly (A) in the same way as the right side brush assembly already installed.
5. Install the lever assembly (B) in the same way as the right side lever assembly already installed.
6. Install the cable (C) in the motor assembly fairlead (D) and install the terminals (E and F) without tightening
them.
7. Install the brush (L) (see related paragraph).
8. Slide the terminals (E and F) on the cable (C) and tighten them under the following conditions:
– Lever (18) in “lifted” position
– Side brush ( 7) lifted cm from the ground.
9. Connect the micro-switch (I) wiring harness (G) electrical cables to the machine preset connector (H)
according to the following diagram.
10. Carry out steps from 1. to 3. in the reverse order.
11. Carry out Left side brush micro-switch adjustment (see the following pages).
1 . Carry out Left side brush height adjustment (see related paragraph).
Figure 11
S300087
Micro-switch (I) cable color Connector (H) cable color
White Brown
Black Blue
Red Orange
L
A