Nilfisk-Advance SW900 Service Manual
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Nilfisk-Advance SW900 Service Manual

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SW900

Service Manual

Advance SW900 Battery – 9084112010
Nilfisk SW900 Battery - 9084110010
Nilfisk SW900 Petrol - 9084111010
English
2013-11 Form No. 1465376000

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Summary of Contents for Nilfisk-Advance SW900

  • Page 1: Service Manual

    SW900 Service Manual Advance SW900 Battery – 9084112010 Nilfisk SW900 Battery - 9084110010 Nilfisk SW900 Petrol - 9084111010 English 2013-11 Form No. 1465376000...

  • Page 2: Table Of Contents

    Safety Visible Symbols on the Machine Symbols General Instructions Machine Lifting Machine Transportation Machine Nomenclature (SW900 B) (know your machine) Machine Nomenclature (SW900 P) (know your machine) Service and Diagnostic Equipment Technical Data Machine Material Composition and Recyclability Dimensions Maintenance...
  • Page 3 Fuse Check/Replacement/Reset (SW900 B) Fuse Check/Replacement/Reset (SW900 P) Troubleshooting (SW900 B) Removal and Installation Battery Installation and Battery Type Setting (WET or GEL) (SW900 B) Machine Check/Setting Main motor amperage check (SW900 B) Dynamotor Voltage Check (SW900 P) Main motor carbon brush replacement (SW900 B)
  • Page 4 Service Manual – SW900 Contents Maintenance and Adjustments Side Broom Height Check and Adjustment Troubleshooting Removal and Installation Side Broom Disassembly/Assembly Side Broom Motor Amperage Check Side Broom Reduction Unit Removal/Installation Right Side Broom Control Cable Removal/Installation Side Broom Microswitch Adjustment and Removal/Installation...

  • Page 5: General Information

    Service Manual Purpose and Field of Application The Service Manual is a technical resource intended to help service technicians when carrying out mainte- nance and repairs on the SW900, to guarantee the best cleaning performance and a long working life for the machine...

  • Page 6: Conventions

    Service Manual – SW900 General Information Conventions Forward, backward, front, rear, left or right are intended with reference to the operator’s position when driv- Service and Spare Parts Service and repairs must be performed only by authorised personnel or Nilfisk Service Centers. The authorised personnel is trained directly at the manufacturer’s premises and has original spare parts and accessories.

  • Page 7: Safety

    (For SW900 B/Petrol) – Before performing any maintenance, repair, cleaning or replacement procedure disconnect the battery connector, remove the ignition key and engage the parking brake; for SW900 B also dis- connect the batteries Make sure that the machine cannot move independently –...
  • Page 8 Service Manual – SW900 General Information – Do not wear jewels when working near electrical components – Do not work under the lifted machine without supporting it with safety stands – When working under the open hood, ensure that it cannot be closed by accident.
  • Page 9 – Close attention is necessary when used near children – Use only as shown in this Manual. Only Nilfisk-Advance recommended accessories must be used. – Check the machine carefully before each use, always check that all the components have been as-...
  • Page 10 Service Manual – SW900 General Information (For SW900 P) – While the engine is running, the silencer warms up; do not touch the silencer when it is hot to avoid burns or fires. – Running the engine with an insufficient quantity of oil can seriously damage the engine. Check the oil level with the engine off and the machine on a level surface –...

  • Page 11: Machine Lifting

    Service Manual – SW900 General Information Machine Lifting Warning! Do not work under the lifted machine, if it is not securely fixed. Machine Transportation Warning! Before transporting the machine, make sure that: All covers are closed. (For SW900 B) The battery connector is disconnected. The machine is securely fastened to the means of transport.

  • Page 12: Machine Nomenclature (Sw900 B) (Know Your Machine)

    Service Manual – SW900 General Information Machine Nomenclature (SW900 B) (know your machine) P200251...
  • Page 13 Service Manual – SW900 General Information Machine Nomenclature (SW900 B) (Continues) P200252...
  • Page 14 Service Manual – SW900 General Information Machine Nomenclature (SW900 B) (Continues) P200253...
  • Page 15 Service Manual – SW900 General Information Machine Nomenclature (SW900 B) (Continues) P200254...

  • Page 16: Machine Nomenclature (Sw900 P) (Know Your Machine)

    Service Manual – SW900 General Information Machine Nomenclature (SW900 P) (know your machine) P200255...
  • Page 17 Service Manual – SW900 General Information Machine Nomenclature (SW900 P) (Continues) P200256...
  • Page 18 Service Manual – SW900 General Information Machine Nomenclature (SW900 P) (Continues) P200257...
  • Page 19 Service Manual – SW900 General Information Machine Nomenclature (SW900 P) (Continues) P200258...

  • Page 20: Service And Diagnostic Equipment

    • Dynamometric wrench set • A copy of the User Manual and Spare Parts List of the machine to be serviced (provided with the machine or available at www.advance-us.com or other Nilfisk-Advance websites). The following equipment is also available at Nilfisk-Advance Centers.

  • Page 21: Technical Data

    Service Manual – SW900 General Information Technical Data Advance / Nilfisk Nilfisk Model SW900 B SW900 P with one side broom 32.5 in (825 mm) Cleaning width with two side brooms 41.3 in (1,050 mm) Main broom size (length x diameter) 23.6 x 10.4 in (600 x 265 mm)

  • Page 22: Machine Material Composition And Recyclability

    Service Manual – SW900 General Information Technical Data (Continues) Advance / Nilfisk Nilfisk Model SW900 B SW900 P kerb weight without batteries 181 lb (82 Kg) 194 lb (88 Kg) Weight total kerb weight 315 lb (143 Kg) 195 lb (88.5 Kg)

  • Page 23: Dimensions

    Service Manual – SW900 General Information Dimensions P200259...

  • Page 24: Maintenance

    The following tables provides the scheduled maintenance The intervals shown may vary according to particu- lar working conditions, which are to be defined by the person in charge of the maintenance. For instructions on maintenance procedures, see the following paragraphs. Scheduled Maintenance Table (SW900 B) Upon Every 10...

  • Page 25: Scheduled Maintenance Table (Sw900 P)

    Service Manual – SW900 General Information Scheduled Maintenance Table (SW900 P) Upon Every 10 Every 50 Every 100 Every 200 Every 300 Procedure delivery hours hours hours hours hours Engine oil level check (1) (5) Engine air filter check (1) (5)

  • Page 26: Frame System

    Service Manual – SW900 Frame System Frame System Frame (main parts) • Technopolymer main frame • Center element supporting filter and main broom • Front element anchoring rear wheels • Front element supporting hopper, steering wheel • Rear metal frame and side brooms •...

  • Page 27: Dust Control System

    Service Manual – SW900 Dust Control System Dust Control System Functional Description The dust generated in the compartment of the main VERSION WITH ELECTRICAL FILTER SHAKER broom is drawn toward the filter from a air flow gen- The electric filter shaker system consists of a motor...

  • Page 28: Wiring Diagram (Sw900 P)

    Service Manual – SW900 Dust Control System Wiring Diagram (SW900 B with manual filtershaker) P200261 Wiring Diagram (SW900 P) P200262...

  • Page 29: Component Locations

    Service Manual – SW900 Dust Control System Component Locations • Main motor (SW900 B) • Filter shaker (M1) • Dynamotor (SW900 P) • Fuse (F1) 5A • Filter and pre-filter panel • Relay (K1) • Gaskets P200264...

  • Page 30: Maintenance And Adjustments

    Service Manual – SW900 Dust Control System Maintenance and Adjustments Panel dust filter, cleaning and integrity check/replacement Note: Besides the standard polyester Caution! The dust filter must be filter, paper filters are also regularly cleaned to available. maintain the efficiency of the vacuum system. Follow the recommended filter service Drive the machine on a level floor and ensure...
  • Page 31 Service Manual – SW900 Dust Control System Panel dust filter, cleaning and integrity check/replacement (Continues) Remove the dust filter (G). Check the filter body for tears. In an outdoor area, clean the dust filter by 10 Clean the gasket (K) along its perimeter and shaking it on a level and clean surface, tapping check it for integrity.

  • Page 32: Troubleshooting

    Service Manual – SW900 Dust Control System Troubleshooting Trouble Possible causes Remedy Clean the dust filter by using the filter shaker The filter is clogged. or by disassembling it. Dust/debris vacuuming is insufficient. The vacuum system compartment gasket is Repair/replace damaged The hopper is full.

  • Page 33: Removal And Installation

    Removal and Installation Electrical filter shaker motor amperage check (For SW900 B) Turn the ignition key to “I” Warning! This procedure must be (For SW900 P) Turn the ignition key to “I” and performed by qualified start the petrol engine personnel only. Carefully activate the electrical filter shaker...
  • Page 34 Service Manual – SW900 Dust Control System Electrical filter shaker motor amperage check (Continues) 12 If the amperage is higher, perform the following 13 Close the battery/engine compartment hood and procedures to detect and correct it: engage the front fastener • Check that the relevant fuse (F1) 5A is prop-...

  • Page 35: Electrical Filter Shaker Motor Disassembly/Assembly

    Remove the hopper by using its transport handle and wheels Move aside the conveyor (B) Disengage the front fastener and open the battery/engine hood. (For SW900 B) Remove the batteries and their container (see the procedure in the relevant paragraph) P200269...
  • Page 36 Service Manual – SW900 Dust Control System Electrical Filter Shaker Motor Disassembly/Assembly (Continues) Disconnect the filter shaker connector (N). Assembly 13 Assemble the components in the reverse order of 10 For disassembling the filter shaker motor (E) only, remove the four screws (F), then remove...

  • Page 37: Specifications

    Service Manual – SW900 Dust Control System Specifications Advance / Nilfisk Nilfisk Model SW900 B SW900 P Electrical filter shaker cleaning system (manual on Advance version) Filter area 20.5 ft (1.9 m filtering capacity 5-10 µm Filter shaker motor 12 W Paper filter filtering capacity 99% @ 0.8 µm...

  • Page 38: Electrical And Control System

    Service Manual – SW900 Electrical and Control System Electrical and Control System Functional Description (SW900 B) The machine functionality check is mainly performed of the manual levers on the handlebar by the battery charger (CH) that monitors the battery The display on the control panel shows the battery...

  • Page 39: Functional Description (Sw900 P)

    Service Manual – SW900 Electrical and Control System Functional Description (SW900 P) The dynamotor (G) provides the current necessary The optional hour counter (HM) is connected to the for the activation of the side broom motors (M2) and key circuit (KEY) and is powered by the dynamotor...

  • Page 40: Wiring Diagram

    Service Manual – SW900 Electrical and Control System Wiring Diagram Fuses SW900 B SW900 P Acronym Nominal Protected Function Nominal Size Protected Function Size 125A BATTERY (BATT) FILTER SHAKER MOTOR (M1) FILTER SHAKER MOTOR (M1) BATTERY CHARGER (CH) MAIN MOTOR (M0)

  • Page 41: Wiring Diagram (Sw900 B)

    Service Manual – SW900 Electrical and Control System Wiring Diagram (SW900 B with electric filtershaker) LED ELECTRONIC BOARD (EB1) + LDG + LDY + LDR - COM IGNITION KEY (KEY) MAIN MOTOR CIRCUIT BREAKER (70 A) (FA) RIGHT SIDE BROOM MAIN MOTOR CIRCUIT BREAKER (5 A) (FB)

  • Page 42: Wiring Diagram (Sw900 P)

    Service Manual – SW900 Electrical and Control System Wiring Diagram (SW900 P) LEFT SIDE BROOM CIRCUIT BREAKER (5 A) (FC) RIGHT SIDE BROOM CIRCUIT BREAKER (5 A) (FB) DYNAMOTOR CIRCUIT FILTER SHAKER FUSE (5 A) (F1) BREAKER (20 A) (FA)

  • Page 43: Component Locations (Sw900 B)

    Service Manual – SW900 Electrical and Control System Component Locations (SW900 B) • Dashboard • Hour counter (HM) • Ignition key (KEY) • LED electronic board (EB1) • Filter shaker (SW1) P200308...
  • Page 44 Service Manual – SW900 Electrical and Control System Component Locations (SW900 B) (Continues) • Wiring harnesses • 5A fuse, electrical filter shaker (F1) • Main motor (M0) • 125A fuse, battery (F0) • Batteries (BAT) • Reduction unit • Battery connector •...
  • Page 45 Service Manual – SW900 Electrical and Control System Component Locations (SW900 B) (Continues) • Battery charger (CH) • Hopper position microswitch (SW0) • 30A fuse, battery charge (F2) • 70A circuit breaker, main motor (FA) • 5A circuit breaker, right side broom motor (FB) •...

  • Page 46: Component Locations (Sw900 P)

    Service Manual – SW900 Electrical and Control System Component Locations (SW900 P) • Dashboard • Filter shaker (SW1) • Ignition key (KEY) • Hour counter (HM) P200310...
  • Page 47 Service Manual – SW900 Electrical and Control System Component Locations (SW900 P) (Continues) • Wiring harnesses • Electrical filter shaker (F1) fuse (5A) • Dynamotor (G) • Dynamotor (FA) fuse (20A) • Filter shaker relay (K1) • Reduction unit P200274...
  • Page 48 Service Manual – SW900 Electrical and Control System Component Locations (SW900 P) (Continues) • Hopper position microswitch (SW0) • Right side broom motor (FB) circuit breaker (5A) • Left side broom motor (FC) circuit breaker (5A) P200311...

  • Page 49: Maintenance And Adjustments

    Service Manual – SW900 Electrical and Control System Maintenance and Adjustments Charging the batteries (SW900 B) Caution! Charge the batteries when Warning! Pay careful attention when the yellow (A) or red (B) LED charging lead batteries (WET) turns on, or at the end of each as there may be battery fluid working cycle.
  • Page 50 Service Manual – SW900 Electrical and Control System Charging the batteries (SW900 B) (Continues) Remove from the housing (C) the electrical When the green LED (E) turns on, the batteries cable (D) of the electronic battery charger, then are charged...

  • Page 51: Fuse Check/Replacement/Reset (Sw900 B)

    Service Manual – SW900 Electrical and Control System Fuse Check/Replacement/Reset (SW900 B) Drive the machine on a level floor and ensure Various Fuse Check/Replacement that it cannot move Remove the hopper by using its transport handle Turn the ignition key to “0”...
  • Page 52 Service Manual – SW900 Electrical and Control System Fuse Check/Replacement/Reset (SW900 B) (Continues) 10 Check/replace the fuse: Reassembly 12 Install the rear grid by engaging the fasteners (E): 5A lamellar fuse (F1), electrical filter shaker and then tighten the upper mounting screw...

  • Page 53: Fuse Check/Replacement/Reset (Sw900 P)

    Service Manual – SW900 Electrical and Control System Fuse Check/Replacement/Reset (SW900 P) Drive the machine on a level floor and ensure Lamellar Fuse Check/Replacement that it cannot move Remove the hopper by using its transport handle Turn the ignition key to “0”...

  • Page 54: Troubleshooting (Sw900 B)

    Service Manual – SW900 Electrical and Control System Troubleshooting (SW900 B) Trouble Possible causes Remedy The battery connector is disconnected Connect The batteries are discharged Charge Adjust The hopper is not in the correct position Check the operation of the microswitch...

  • Page 55: Removal And Installation

    Service Manual – SW900 Electrical and Control System Removal and Installation Battery Installation and Battery Type Setting (WET or GEL) (SW900 B) Warning! The electric components of Warning! Do not tilt the lead batteries the machine can be seriously (WET) to prevent the highly...
  • Page 56 Service Manual – SW900 Electrical and Control System Battery Installation and Battery Type Setting (WET or GEL) (SW900 B) (Continues) Battery Removal Battery installation Drive the machine on a level floor and ensure Install on the machine the type of batteries...

  • Page 57: Machine Check/Setting

    Service Manual – SW900 Electrical and Control System Machine Check/Setting Drive the machine on a level floor and ensure Type of battery set on that it cannot move Flashes the machine Turn the ignition key to “0” EXIDE™ Two flashes of the yellow LED...
  • Page 58 Service Manual – SW900 Electrical and Control System Machine Check/Setting (Continues) 10 In the battery compartment, lift the rubber mat 12 Carefully set the switches (E, F, G) as shown in the following table to set machine according to the type of batteries to be installed...

  • Page 59: Main Motor Amperage Check (Sw900 B)

    Service Manual – SW900 Electrical and Control System Main motor amperage check (SW900 B) Turn the tensioner (F) in the direction shown by Warning! This procedure must be the arrow and disengage the belt (G) from the performed by qualified pulley (H) personnel only.
  • Page 60 Service Manual – SW900 Electrical and Control System Main motor amperage check (SW900 B) (Continues) 14 If the amperage is higher, perform the following Reassembly procedures to detect and correct it: 15 Release the hopper position microswitch (K) • Check that there are no obstacles to the...

  • Page 61: Dynamotor Voltage Check (Sw900 P)

    Service Manual – SW900 Electrical and Control System Dynamotor Voltage Check (SW900 P) Turn the ignition key to “I” and start the petrol Warning! This procedure must be engine (as shown in the User Manual); wait performed by qualified at least 5 minutes that the engine reaches the personnel only.
  • Page 62 Service Manual – SW900 Electrical and Control System Dynamotor Voltage Check (SW900 P) (Continues) If the voltage is lower than the specified value, Reassembly perform the following procedures to detect the 10 Close the engine compartment hood and engage cause and correct it: the front fastener •...

  • Page 63: Main Motor Carbon Brush Replacement (Sw900 B)

    Service Manual – SW900 Electrical and Control System Main motor carbon brush replacement (SW900 B) Disassembly Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0” Remove the hopper by using its transport handle...

  • Page 64: Dynamotor Carbon Brush Replacement (Sw900 P)

    Service Manual – SW900 Electrical and Control System Dynamotor Carbon Brush Replacement (SW900 P) Disassembly Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0” Remove the hopper by using its transport handle...

  • Page 65: Main Motor Or Fan Removal/Installation (Sw900 B)

    Service Manual – SW900 Electrical and Control System Main Motor or Fan Removal/Installation (SW900 B) Disassembly Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0” Remove the hopper by using its transport handle...
  • Page 66 Service Manual – SW900 Electrical and Control System Main Motor or Fan Removal/Installation (SW900 B) (Continues) 10 On the rear side of the machine, cut the clamps (K) fastening the wiring harness (L); cut also the inner clamp (M) 11 Disengage the protection caps (N) and...
  • Page 67 Service Manual – SW900 Electrical and Control System Main Motor or Fan Removal/Installation (SW900 B) (Continues) 16 At the workbench, remove the screws with the 18 If necessary, remove the fan (AA) as shown nut (W) below 17 Remove the four screws (X) and disconnect...
  • Page 68 Service Manual – SW900 Electrical and Control System Main Motor or Fan Removal/Installation (SW900 B) (Continues) 20 With a puller applied to the head (AD) of the Assembly shaft and on the groove (AE), remove the fan 22 Assemble the components in the reverse order of...

  • Page 69: Dynamotor Removal/Installation (Sw900 P)

    Service Manual – SW900 Electrical and Control System Dynamotor Removal/Installation (SW900 P) Disassembly Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0” Remove the hopper by using its transport handle...
  • Page 70 Service Manual – SW900 Electrical and Control System Dynamotor Removal/Installation (SW900 P) (Continues) On the rear side of the machine, cut the clamps (K) fastening the wiring harness (L); cut also the inner clamp (M) 10 Disengage the protection caps (N) and...
  • Page 71 Service Manual – SW900 Electrical and Control System Dynamotor Removal/Installation (SW900 P) (Continues) 15 At the workbench, remove the screws with the 17 If necessary, remove the fan (AA) as shown nut (W) below 16 Remove the four screws (X) and disconnect...
  • Page 72 Service Manual – SW900 Electrical and Control System Dynamotor Removal/Installation (SW900 P) (Continues) 19 With a puller applied to the head (AD) of the Assembly shaft and on the groove (AE), remove the fan 21 Assemble the components in the reverse order of...

  • Page 73: Reduction Unit Removal/Installation

    Service Manual – SW900 Electrical and Control System Reduction Unit Removal/Installation Disassembly Assembly Remove the main motor (Battery version) or Assemble the reduction unit in the reverse order the dynamotor (Petrol version) and separate it of disassembly from the reduction unit (see the procedure in the...

  • Page 74: Main Broom Shaft (Small) Gear Removal/Installation

    Service Manual – SW900 Electrical and Control System Main Broom Shaft (Small) Gear Removal/Installation Disassembly Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0” Remove the hopper by using its transport handle...
  • Page 75 Service Manual – SW900 Electrical and Control System Main Broom Shaft (Small) Gear Removal/Installation (Continues) Operating in the back side of the reduction unit, cut the clamp (K) fastening the wiring harness 10 Remove the two screws (M) and remove the gear...
  • Page 76 Service Manual – SW900 Electrical and Control System Main Broom Shaft (Small) Gear Removal/Installation (Continues) 13 Unscrew the two dowels (T) of the bearing Assembly 14 Remove the assembly (U) from the shaft (X) 17 Assemble the gear in the reverse order of...

  • Page 77: Drive Shaft (Big) Gear Removal/Installation

    Service Manual – SW900 Electrical and Control System Drive Shaft (Big) Gear Removal/Installation Disassembly Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0” Remove the hopper by using its transport handle...
  • Page 78 Service Manual – SW900 Electrical and Control System Drive Shaft (Big) Gear Removal/Installation (Continues) Operating in the back side of the reduction unit, cut the clamp (K) fastening the wiring harness 10 Remove the two screws (M) and remove the gear...
  • Page 79 Service Manual – SW900 Electrical and Control System Drive Shaft (Big) Gear Removal/Installation (Continues) 12 Remove the screw (Q) on the inner side of the reduction unit 13 Tighten the screw (R) on the threaded hole (S) of the reduction unit...

  • Page 80: Battery Charger Removal/Installation (Sw900 B)

    Service Manual – SW900 Electrical and Control System Battery Charger Removal/Installation (SW900 B) Disassembly Remove the batteries and their container (see the procedure in the relevant paragraph) Remove the rear grid (A) after removing the upper mounting screw (B) and disengaging the...
  • Page 81 Service Manual – SW900 Electrical and Control System Battery Charger Removal/Installation (SW900 B) (Continues) Lift the rubber mat (I) in the battery compartment Disconnect the battery charger electrical connector (J) Remove the screws (K) 10 Remove the battery charger (L) by bringing it...

  • Page 82: Hopper Position Switch Operation Check, Removal/Installation

    Service Manual – SW900 Electrical and Control System Hopper Position Switch Operation Check, Removal/Installation Operation Check Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0” Remove the hopper by using its transport handle and wheels Turn the ignition key to “I”, then check that...
  • Page 83 Service Manual – SW900 Electrical and Control System Hopper Position Switch Operation Check, Removal/Installation (Continues) Remove the screws (F) and the left side panel (G) 10 Check that the arm (H) of the hopper position switch (I), swings freely on the pin (J), otherwise: •...

  • Page 84: Specifications

    Service Manual – SW900 Electrical and Control System Specifications Advance / Nilfisk Nilfisk Model SW900 B SW900 P Power 12V batteries power (drive/main broom/vacuum Main motor 0.9 hp (680 W) system) power (drive/main broom/vacuum Dynamotor 0.26 hp (198 W) system) Total absorbed power 1.02 hp (0.76 kW)

  • Page 85: Petrol Engine System

    Service Manual – SW900 Petrol Engine System Petrol Engine System Functional Description The engine system generates electric current for all The engine speed is fixed to 2,950 rpm, to grant a machine electrical functions constant current to the electrical system...

  • Page 86: Component Locations

    Service Manual – SW900 Petrol Engine System Component Locations • Petrol engine • Engine belt • Engine switch • Engine oil level outer check plug • Engine oil filler plug • Engine oil level inner check plug • Engine oil drain plug...

  • Page 87: Maintenance And Adjustments

    Service Manual – SW900 Petrol Engine System Maintenance and Adjustments Engine RPM Check and Adjustment Point a revolution counter on the adhesive Check indicator (D) of the engine pulley (C), then detect Drive the machine on a level floor and ensure the engine speed, which must be 3,000 ±...
  • Page 88 Service Manual – SW900 Petrol Engine System Engine RPM Check and Adjustment (Continues) Carefully operate and keep operated, the Reassembly hopper position microswitch (E) (to simulate the 13 Turn off the petrol engine (as shown in the User presence of the hopper) Manual) 10 Turn the ignition key to “I”...

  • Page 89: Troubleshooting

    Service Manual – SW900 Petrol Engine System Troubleshooting Trouble Possible causes Remedy The ignition key is not turned to “I”. Turn the ignition key to “I”. The fuel valve is closed. Open the fuel valve. The fuel tank is empty.

  • Page 90: Removal And Installation

    Service Manual – SW900 Petrol Engine System Removal and Installation Engine Belt Check/Adjustment/Replacement If necessary, adjust the belt tension as shown Check and adjustment below: Drive the machine on a level floor and ensure • Loosen the four mounting screws (F) of the...
  • Page 91 Service Manual – SW900 Petrol Engine System Engine Belt Check/Adjustment/Replacement (Continues) • Disengage the front fastener and open the The pad (M) must slightly contact the holder engine compartment hood (G), then if necessary, adjust its position by • On the upper side of the machine, insert a adjusting the locknut (N) and the nut (P);...
  • Page 92 Service Manual – SW900 Petrol Engine System Engine Belt Check/Adjustment/Replacement (Continues) Disengage the engine belt (C) from the engine Replacement pulley (I) using a screwdriver as a lever and by Drive the machine on a level floor and ensure simultaneously turning the engine pulley (I) by...

  • Page 93: Petrol Engine Assembly Removal/Installation

    Service Manual – SW900 Petrol Engine System Petrol Engine Assembly Removal/Installation Remove the rear grid (E) after removing the Disassembly upper mounting screw (F) and disengaging the Drive the machine on a level floor and ensure fasteners that it cannot move Remove the screws (G) and the bulkhead (H) Turn the ignition key to “0”...
  • Page 94 Service Manual – SW900 Petrol Engine System Petrol Engine Assembly Removal/Installation (Continues) 11 Carefully lift and remove the engine assembly (M) (engine weight: 10.9 Kg approx.). If necessary, at the workbench separate the following parts from the engine (N): • Guard (P) •...
  • Page 95 Service Manual – SW900 Petrol Engine System Petrol Engine Assembly Removal/Installation (Continues) Assembly 12 Assemble the components in the reverse order of disassembly, and note the following: • After assembling the engine belt, perform the belt check/adjustment (see the procedure in the relevant paragraph) •...
  • Page 96 Service Manual – SW900 Petrol Engine System Petrol Engine Assembly Removal/Installation (Continues) – Connect the engine electrical cables (A) and (B), as shown in the figure. – Check the engine oil level (as shown in the User Manual) – Check the engine rpm (see the procedure in the relevant paragraph)

  • Page 97: Specifications

    Service Manual – SW900 Petrol Engine System Specifications Nilfisk Model SW900 P Power 2.1 kW @ 3,600 rpm Engine model Honda GX-100 Number of cylinders Displacement Bore x stroke 40 x 56 Compression ratio 8.5:1 Cooling Fuel Gasoline Cycle Cycle 8 Maximum engine speed (max power) 3,600 rpm (2.1 kW)

  • Page 98: Hopper System

    Service Manual – SW900 Hopper System Hopper System Functional Description The hopper normally resides in its seat in the frame The hopper is provided with two skirts, a front skirt It can be removed from its seat by using its lifting and...

  • Page 99: Component Locations

    Service Manual – SW900 Hopper System Component Locations • Hopper • Front skirt • Dust filter protection skirt P200336...

  • Page 100: Specifications

    Service Manual – SW900 Hopper System Specifications Advance / Nilfisk Nilfisk Model SW900 B SW900 P Real capacity 0.88 ft (25 Liters) Hopper Theoretic capacity 2.8 ft (79 Liters) Maximum transportable weight 66 lb (30 kg)

  • Page 101: Main Broom System

    Service Manual – SW900 Main Broom System Main Broom System Functional Description The machine start-up, determines the operation of The door on the left side of the machine can be opened the main broom which is held in a pivoting support...

  • Page 102: Component Locations

    Service Manual – SW900 Main Broom System Component Locations • Main broom • Rear skirt • Main broom belt • Right side skirt • Pulley with hexagonal drive hub • Right side recovery skirt • Hexagonal drive hub • Left side skirt • Main broom height adjusting knob • Left side recovery skirt • Front skirt P200295...

  • Page 103: Maintenance And Adjustments

    Service Manual – SW900 Main Broom System Maintenance and Adjustments Main Broom Height Check and Adjustment Note: Brooms with harder or softer Note: The adjustment of the broom bristles are available. This print on the floor must be procedure is applicable to all performed periodically, also types of brooms.

  • Page 104: Skirt Height Check And Adjustment

    Service Manual – SW900 Main Broom System Skirt Height Check and Adjustment Check the side skirt (C) and the recovery skirt Preliminary Operations (D) for integrity Empty the hopper (as shown in the User Replace the skirts when they have cuts (E)
  • Page 105 Service Manual – SW900 Main Broom System Skirt Height Check and Adjustment (Continues) 10 Check that the height (H) of the side skirt (D) Left Side Skirt and Left Side Recovery Skirt Check and recovery skirt (E) is 0 - 3 mm. If necessary: Lift the tab (A) and turn the knob (B) counter- •...
  • Page 106 Service Manual – SW900 Main Broom System Skirt Height Check and Adjustment (Continues) If it is not possible to adjust the rear skirt Front and Rear Skirt Check properly, replace it (see the procedure in the 11 Remove the main broom (see the procedure in...

  • Page 107: Troubleshooting

    Service Manual – SW900 Main Broom System Troubleshooting Trouble Possible causes Remedy Clean the dust filter by using the filter shaker The dust filter is clogged. or by disassembling it. The hopper is full. Empty the hopper. The machine collects little debris/dust.

  • Page 108: Removal And Installation

    Service Manual – SW900 Main Broom System Removal and Installation Main Broom Removal/Installation Turn the ignition key to “0” Note: Brooms with harder or softer bristles are available. This Remove the hopper by using its transport handle procedure is applicable to all and wheels types of brooms.
  • Page 109 Service Manual – SW900 Main Broom System Main Broom Removal/Installation (Continues) Loosen the handwheels (E); grasp the handle (K) Install the main broom (G): The bristles (I) must and remove the main broom cover (F) by turning be bent in the direction shown in the figure.
  • Page 110 Service Manual – SW900 Main Broom System Main Broom Removal/Installation (Continues) 12 Lift and close the left door (D) and fasten it with 14 Adjust the main broom height (see the procedure the knob (C); lower the tab (B) in its housing.

  • Page 111: Main Broom Belt Check/Replacement

    Service Manual – SW900 Main Broom System Main Broom Belt Check/Replacement Disengage the front fastener and open the Check battery/engine compartment hood. Drive the machine on a level floor and ensure that it cannot move Remove the screws (A) and the right side panel (B) from the machine Turn the ignition key to “0”...
  • Page 112 Service Manual – SW900 Main Broom System Main Broom Removal/Installation (Continues) Visually inspect the entire length of the main 10 Remove the fastening screws (I) of the plate (J) broom belt (E) to make sure it is intact and 11 Move the plate (J) with the pulley (K) by shows no signs of cuts, tears or cracks.

  • Page 113: Main Broom Pulley And Hexagonal Drive Hub Replacement

    Service Manual – SW900 Main Broom System Main Broom Pulley and Hexagonal Drive Hub Replacement Disassembly Assembly Remove the main broom belt (see the procedure Assemble the hexagonal drive hub with pulley in in the previous paragraph) the reverse order of disassembly At the workbench, remove the snap ring (A) and...

  • Page 114: Skirt Removal/Installation

    Service Manual – SW900 Main Broom System Skirt Removal/Installation Right side skirt disassembly/assembly Drive the machine on a level ground that is suitable for checking the skirt height Make sure that the machine cannot move independently Turn the ignition key to “0”...
  • Page 115 Service Manual – SW900 Main Broom System Skirt Removal/Installation (Continues) Left side skirt disassembly/assembly Drive the machine on a level ground that is suitable for checking the skirt height Make sure that the machine cannot move independently Turn the ignition key to “0”...
  • Page 116 Service Manual – SW900 Main Broom System Skirt Removal/Installation (Continues) Front skirt disassembly/assembly Empty the hopper (as shown in the User Manual) Drive the machine on a level ground that is suitable for checking the skirt height, after assembling it Make sure that the machine cannot move independently Turn the ignition key to “0”...

  • Page 117: Specifications

    Service Manual – SW900 Main Broom System Specifications Advance / Nilfisk Nilfisk Model SW900 B SW900 P Main broom size (length x diameter) 23.6 x 10.4 in (600 x 265 mm) Main broom speed 420 rpm...

  • Page 118: Side Broom System

    Service Manual – SW900 Side Broom System Side Broom System Functional Description Petrol Version The right/left lever on the handle determines the de- The dynamotor (G) provides the current necessary scent of right/left side broom which is released by a...

  • Page 119: Wiring Diagram (Sw900 B)

    Service Manual – SW900 Side Broom System Wiring Diagram (SW900 B) P200343 Wiring Diagram (SW900 P) P200344...

  • Page 120: Component Locations

    Service Manual – SW900 Side Broom System Component Locations • Right side broom motor (M2) • Left side broom lifting/lowering and height ad- • Left side broom motor (M3) justing lever • Right side broom • Right side broom control cable •...

  • Page 121: Maintenance And Adjustments

    Service Manual – SW900 Side Broom System Maintenance and Adjustments Side Broom Height Check and Adjustment Note: Brooms with harder or softer bristles are available This procedure is applicable to all types of brooms Note: This procedure refers to the right side broom height adjustment;...

  • Page 122: Troubleshooting

    Service Manual – SW900 Side Broom System Troubleshooting Trouble Possible causes Remedy Wait for the side broom motor to cool down, The circuit breaker (FB) or (FC) (optional) is then reset the fuse by pressing the relevant open. push-button. The side broom does not operate.

  • Page 123: Removal And Installation

    Service Manual – SW900 Side Broom System Removal and Installation Side Broom Disassembly/Assembly Note: Brooms with harder or softer Disassembly bristles are available. This Drive the machine on a level floor and ensure procedure is applicable to all that it cannot move types of brooms.

  • Page 124: Side Broom Motor Amperage Check

    (A) of the side broom motor to be checked (For SW900 B) Turn the ignition key to “I” Reassembly (For SW900 P) Turn the ignition key to “I” and 11 Perform steps 1 to 3 in the reverse order start the petrol engine (as shown in the User Manual);...

  • Page 125: Side Broom Reduction Unit Removal/Installation

    Service Manual – SW900 Side Broom System Side Broom Reduction Unit Removal/Installation Note: Remove the mounting screws (F) of the side This procedure refers to the broom reduction unit (G) right side reduction unit; the procedure for the left side Cut the clamp (H) reduction unit is the same.

  • Page 126: Right Side Broom Control Cable Removal/Installation

    Service Manual – SW900 Side Broom System Right Side Broom Control Cable Removal/Installation Note: This procedure refers to the right side reduction unit; the procedure for the left side reduction unit is the same. Disassembly Drive the machine on a level floor and ensure that it cannot move Turn the ignition key to “0”...
  • Page 127 Service Manual – SW900 Side Broom System Right Side Broom Control Cable Removal/Installation (Continues) Remove the screw (K) of the cable front terminal Loosen the nut (L) 10 Disengage the cable (M) from the slot (N) 11 Cut the clamps (P) retaining the cable (O)

  • Page 128: Side Broom Microswitch Adjustment And Removal/Installation

    Disengage the front fastener and open the reduction unit is the same. battery/engine compartment hood. (For SW900 B) Disconnect the battery connector Adjustment Remove the screws (A) and the nut (B), then Drive the machine on a level floor and ensure...
  • Page 129 Service Manual – SW900 Side Broom System Side Broom Microswitch Adjustment and Removal/Installation (Continues) Lift the side broom until the end of stroke by Disassembly using the lever In this condition check that the If necessary, disconnect the electrical side broom supporting arm (D) is lifted up to the...

  • Page 130: Specifications

    Service Manual – SW900 Side Broom System Specifications Advance / Nilfisk Nilfisk Model SW900 B SW900 P with one side broom 32.5 in (825 mm) Cleaning width with two side brooms 41.3 in (1,050 mm) Side broom diameter 12.4 in (315 mm)

  • Page 131: Wheel System, Traction

    Service Manual – SW900 Wheel System, Traction Wheel System, Traction Functional Description At machine startup, the drive system is not engaged. The rear wheels are equipped with a particular sys- The drive belt is not and tensioned between the two...

  • Page 132: Component Locations

    Service Manual – SW900 Wheel System, Traction Component Locations • Drive control lever • Pulley • Drive system control flexible cable • Drive wheels • Drive belt P200354...

  • Page 133: Maintenance And Adjustments

    (For SW900 B) Turn the ignition key to “I” machine must move at maximum speed (For SW900 P) Turn the ignition key to “I” and If necessary, adjust the tension as shown below. start the petrol engine (as shown in the User Manual);...

  • Page 134: Troubleshooting

    Service Manual – SW900 Wheel System, Traction Troubleshooting Trouble Possible causes Remedy The drive control cable is misadjusted or Adjust or replace the drive control cable. When pulling the drive control lever, the broken. machine does not move, or it moves slowly.

  • Page 135: Removal And Installation

    Service Manual – SW900 Wheel System, Traction Removal and Installation Drive system control cable, disassembly/assembly Disassembly Remove the drive belt (see the procedure in the relevant paragraph) Unscrew the nut (B) on the front end of the drive system control cable (A)

  • Page 136: Drive Belt, Check/Replacement

    Service Manual – SW900 Wheel System, Traction Drive belt, check/replacement Check Replacement Drive the machine on a level floor and ensure Move the flexible tensioner (D) away from the that it cannot move belt (C), then release the belt from the pulley Turn the ignition key to “0”...

  • Page 137: Specifications

    Service Manual – SW900 Wheel System, Traction Specifications Advance / Nilfisk Nilfisk Model SW900 B SW900 P Drive forward speed 2.8 mi/h (4.5 km/h) Maximum gradient when working Gradeability at full load and during transfer 18 % Front wheels (quantity, diameter, width) N°1 Ø3.9 x 1.2 in (N°1 Ø100 x 30 mm)

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