Nilfisk SC351 Li-ion Parts List
Model Numbers: 50000621, 50000622
Date: 05/2023 (A)
Part Number: 55942287
General View
The following diagram illustrates the general assembly of the Nilfisk SC351 Li-ion.
Key Components:
- 1: Brush Deck
- 2: Solution Tank
- 3: Cover Tank
- 4: Frame
- 5: Battery Cover
- 6: Recovery Tank
- 7: Handle
- 8: Decal Nilfisk SC351 Li-ion
- 9: Decal Advance SC351 Li-ion
- 10: Battery, 24V, Li-ion, 7S6P
- 11: Box Battery Compartment Li-ion Kit
- 12: Cable Extension (EU, US, UK Plug)
- 13: Vacuum Pipe D.25
- 14: Tie Cable 2.5x200 Black 10 Pcs Set
- 15: Hardware General View Kit
Battery Compartment View
This section details the components within the battery compartment.
Key Components:
- 1-9: Various screws, washers, and seals for battery compartment assembly.
- 10: Battery, 24V, Li-ion, 7S6P
- 11: Cover Right Battery
- 12: Sealing PE
- 13: Cover Main Machine Controller
- 14: PCBA SC351 Main Machine Controller
- 15: Screw M3x5 Cap HD Hex Sock SS ISO4762
- 16: Battery, 24V, Li-ion, 7S6P, N18650CL-29
- 17: Bracket Main Machine Controller
- 18: Support THD Plast.F Controller
- 19: Support Battery
- 20: Harness Battery to MMC 24V
- 21: Nut Lock Hex M4 Low SS ISO10511
- 22: Bracket TC1
- 23: Screw 4x10 Pan HD Torx SS ISO 14580
- 24: TC-1 Module SIP
- 25: Harness TC1 Module 24V
- 26: Harness Charger to MMC 24V
- 27: Harness Valve 24V
- 28: Harness Battery 24V
- 29: Harness Brush Motor 24V
- 30: Harness Vac Motor 24V
- Kits for various components (e.g., Cover Battery, PCBA Controller, Harness Controller, Bracket TC1)
Cover and Tanks
This section illustrates the covers and tanks of the machine.
Key Components:
- 1: Cover Tank
- 2: Cage Float SIP
- 3: Screw 3.5x10 Thd Forming
- 4: Ball Floating
- 5: Cap Tank Cover
- 6: Gasket Tank Cover Kit
- 7: Gasket Mousse D.4mm
- 8: Battery Cover
- 9: Washer 10.2x18.8x0.35
- 10: Plunger Indexing SIP
- 11: Screw Cyl. Hd 5x16 Self L.
- 12: Washer
- 13: Bush
- 14: Support Battery Cover
- 15: Tank Solution RAL 7001
- 16: Handle Detergent Tank
- 17: Cap Threaded 70x5 SIP
- 18: Plate Handle Tank
- 19: Cover Pin
- 20: Washer M4 Uni6592
- 21: Screw 3.5x12
- 22: Tank Recovery RAL 7001
- 23: Handle Recovery Tank
- 24: Hose Filling Kit
- Kits for Cover Tank and Hardware Cover and Tanks
Frame System
This section details the frame and its associated parts.
Key Components:
- 1: Reduction Water
- 2: Washer Flat XL 6.6x24.0x2.0
- 3: Screw Pan Phil Thd Form Pu 3.9x9.5
- 4: Nut Self L. M6 Uni7474 SS
- 5: Plug Black Click d.38.1
- 6: Washer 6x18 Uni6592
- 7: Screw M6x20 Uni5731
- 8: Washer
- 9: Screw Soc. Hd M5x30
- 10: Fitting
- 11: Washer Ext. Shprf Ø 4 SS
- 12: Screw
- 13: Wheel Ø214
- 14: Washer Split Lock d.6
- 15: Power Cord 1M AC250V (EU/US)
- 16: Gasket SIP
- 17: Belt Battery Fixing
- 18: Clamp
- 19: Support for Gasket
- 20: Valve Water Complete SIP
- 21: Screw Thread Rolling 5x16
- 22: Hose D.12 L=500 MM
- 23: Screw Hex Thd To Hd M6x16
- 24: Washer 12.5x34x3 Nylon
- 25: Pin Wheel
- 26: Hose D. 12
- 27: Pipe 6x11
- 28: Clamp 290x4.8
- 29: Washer Flat XL 5.5x15.0x1.6SS
- 30: Bracket for Charger
- 31: Charger RQ350 24V
- 32: Nut Lock Hex M4 Low SS ISO10511
- 33: Washer Plain M4x9 SS ISO7089
- 34: Screw M4x16 Cap Hd Hex Sock SS ISO4762
- Kits for Hoses, Solenoid Valve, Frame, and Charger Bracket
Handle Support System
This section details the handle support components.
Key Components:
- 1: Casing Vacuum Motor
- 2: Filter Vacuum Motor SIP
- 3: Gasket SIP
- 4: Cover Vacuum Motor
- 5: Screw Soc. Hd M6x16
- 6: Washer M6 Uni6592 SS
- 7: Gasket Vacuum Motor
- 8: Vacuum Motor 24V
- 9: Gasket Vacuum Motor
- 10: Support Vacuum Motor
- 11: Screw Button Soc M 10x25 SS
- 12: Nut Self L. M6 Uni7474 SS
- 13: Casing Lower Vacuum Motor
- 14: Bracket Handle
- 15: Screw M8x20 Uni5739 SS
- 16: Washer M8 Uni6592 SS
- 17: Screw Hex Thd To Hd M6x16 SS
- 18: Bracket Plunger Block
- 19: Grommet
- 20: Nut Selflocking Low M8 Un
- 21: Support Handle
- 22: Screw Carriage M6x35
- 23: Solenoid Valve 12V
- 24: Solenoid Valve 12V SIP
- 25: Screw M4x16 Uni5931 SS
- 26: Clamp
- 27: Nut Self L. M4 Uni7474 SS
- 28: Spacer Support Vacuum Motor
- 29: Screw M6x12 Uni5931 SS
- 30: Screw Button Soc M8x55
- Hardware Handle Bar Supp. Kit
Handle System
This section provides details on the handle system components.
Key Components:
- 1: Switch Pump
- 2: Cap Protection
- 3: Washer 6x18x1.5 Uni6593
- 4: Screw M3x8 Uni7688
- 5: Clamp 290x4.8
- 6: Washer
- 7: Clamp
- 8: Screw 3.9x9.5 Uni6955
- 9: Insert M6x15 Uni9203
- 10: Board. Led
- 11: Screw M6x16 Uni7687 SS
- 12: Support Cable Kit
- 13: Knob Control Functions
- 14: Screw Grub M3x3 Din916
- 15: Screw 2.9x25 Uni6954 Thd
- 16: Seal O-Ring
- 17: Harness Handle 24V
- 18: Switch Rotative 4 Positions
- 19: Covers Handle Grey Kit
- 20: Decal Control Panel
- 21: Decal Battery Led
- 22: Cap for Handle
- 23: Cap D.18.5/D.40mm Black
- 24: Tube Handle
- 25: Rod Index
- 26: Lever Switch
- 27: Lever
- 28: Cap Rubber
- 29: Cover Rear
- 30: Cover Front
- 31: Button Interlock
- 32: Retainer
- 33: Handle Plug
- 34: Switch DPDT
- 35: Spring Interlock Button
- 36: Spring Compression
- 37: Gear
- 38: Housing Gear Index
- 39: Clamp Cord
- 40: Pin Handle Support
- 41: Gear Index
- 42: Handle Support
- 43: Plate, Gear Housing
- 44: Screw M3x25
- 45: Screw St4.2-1.4
- 46: Screw M5x43
- 47: Nut Lock M5 Ss Hex
- 48: Nut Lock M4 Ss Hex
- 49: Nut Lock M6 Ss Hex
- 50: Screw M5x40 Ss Pan Head Phillips
- 51: Screw M4x8 Uni7688
- 52: Screw M4x10 Ss Pan Head Phillips
- 53: Screw M5x12 Truss Head Phillips
- 54: Screw M6x40 Ss Hex Head
- 55: Screw M5x35 Ss Head Phillips
- 56: Nut Lock M6 Ss Hex
- 57: Screw M5x25 Ss Flat Head Phillips
- Kits for Lower Cover, Box Housing Gears, Handle Support, Handle Switch Lever, and Handle Bar
Motor and Deck System
This section details the motor and deck components.
Key Components:
- 1: Knob
- 2: Hub Brush R.Gearmotor Right
- 3: Hub Brush
- 4: Screw Hex Thd To Hd M8x20 Ss
- 5: Screw Soc. Hd M6x50
- 6: Washer Flat XL 9.0x32.0x2.5 Ss
- 7: Screw Soc. Hd M6x20 Ss
- 8: Pin Brush Plate Fixing
- 9: Squeegee
- 10: Flange Deck Kit
- 11: Spacer Limit
- 12: Brush Motor 24V
- 13: Key 5x5x25 Sip
- 14: Washer Flat 5.3x10x1 Ss
- 15: Washer Nord Lock M6
- 16: Nut Hex Nyl Loc Thin M5 Ss
- 17: Cap
- 18: Washer Flat XL 10x30x2-Rubber
- 19: Washer Flat 9.5x27x2.5
- 20: Support Deck
- 21: Holder Rubber 1/4 D.10
- 22: Shock Absorber
- 23: Plate Vibration Damping
- 24: Rond Gremb 8x24
- 25: Screw Hex Thd To Hd M8x12
- 26: Screw Soc. Hd M6x25 Ss
- 27: Nut Hex Nyl Loc Hvy M6
- 28: Nut Hex Nyl Loc Thin M6
- 29: Screw Hex Thd To Hd M6x35 Ss
- 30: Nut Hex Nyl Loc Thin M8 Ss
- 31: Vibration Damping M8 60sh 2 Pcs Set
- 32: Rear Strap Elastic
- 33: Rubber Blade Retainer
- 34: Blades Squeegee 370mm 14.5 Pu Kit / Red Gum Kit
- Kits for Squeegee Complete and Hardware Motor and Deck
Brush Deck System
This section details the brush deck system components.
Key Components:
- 1: Wheel D.51 Grey SIP
- 2: Screw Flat Socket Head M8x20.0
- 3: Nut Hex Thin M6
- 4: Screw Carriage M6x25
- 5: Washer Flat XL 6.6x24.0x2.0
- 6: Nut Hex Nyl Loc Thin M10
- 7: Thread Rolling Scr 5x16
- 8: Pin D.8
- 9: Castor Wheel Ø42
- 10: Cover Brush Deck
- 11: Flange Central
- 12: Clutch Support
- 13: Clutch
- 14: Counterweight SIP
- 15: Spring Traction
- 16: Wheel Bumper D.100 Plastic 2 Pcs Set
- 17: Washer 15
- Kits for Clutch and Hardware Brush Deck
Brushes
This section lists the available brushes and pads.
Key Components:
- 1: Brush D.370mm 14" Prolene Ppl / Prolite Ppl / Union Mix / Mid Grit 240 / Midlite Grit 180
- 2: Pad Holder Grip 14"
- 3: Ring Nylon
- 4: Retainer Pad
- 5: Seal O-Ring
- 6: Pad 14 355mm (Brown, Red, White, Green) 5 Pcs
- Kits for Blades Red Gum 370mm/14"
Wiring Diagram
The wiring diagram illustrates the electrical connections within the machine.
Key Components:
- BAT1: Battery, 24V, Li-ion, 7S6P
- CH1: Charger RQ350 24V
- D1: Diode
- EB1: PCBA SC351 Main Machine Controller
- EB2: Battery Level Board
- EV1: Solenoid Valve 12V SIP
- F4, F5: Fuses for Brush and Vacuum Motors
- M1: Brush Motor 24V
- M2: Vacuum Motor 24V
- R1: Resistor
- SW1: Detergent Switch
- SW2: Switch Brush Motor-Solenoid Valve
- SW3: Rotative Switch
- TC1 Module (optional)
- LED electronic board
- Color codes for wires are provided (Black, Blue, Brown, Green, Grey, Orange, Pink, Red, Violet, White, Yellow).
Recommended Spare Parts
This section lists recommended spare parts for normal wear, ordinary maintenance, and extraordinary maintenance.
Categories:
- Normal Wear: Blades Squeegee, Brush D.370mm
- Ordinary Maintenance: Rear Strap Elastic, Rubber Blade Retainer, Gasket Tank Cover, Gasket SIP, Vacuum Motor, Brush Motor, Hub Brush, Vacuum Pipe, Wheel, Castor Wheel, Clutch Kit, Squeegee Complete
- Extra-Ordinary Maintenance: Battery, Cover Brush Deck, Wheel Bumper, Wheel, Charger, Valve Water, Hoses Kit, PCBA Controller Kit, Harness Controller Kit, Solenoid Valve, Timer, Switches
Optionals and Accessories
This section lists optional accessories available for the machine.
Key Components:
- Hose Filling Kit
- Brushes (various types)
- Pads (various types)
- Blades Red Gum 370mm/14" Kit
- Bracket TC1 Kit
- TC-1 Module SIP
