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Crescent SC530 53 B GO Service Manual

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SC530
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Summary of Contents for Crescent SC530 53 B GO

  • Page 1 SC530 Service Manual www.crescentindustrial.co.uk...

  • Page 2: Table Of Contents

    Service Manual – SC530 Table of Contents Table of Contents General Information Machine General Description Service Manual Purpose and Field of Application Other Reference Manuals Conventions Service and Spare Parts Serial Number Label Safety General Safety Instructions Machine Lifting Transporting The Machine Technical Data Maintenance Schedule Machine Nomenclature (machine structure)

  • Page 3: General Information

    Other Reference Manuals Document name Document number Document type SC530 53 BD GO / SC530 53 B GO, Instructions for Use Instructions for Use VS13009 SC530 53 BD GO / SC530 53 B GO, Parts List Parts List...

  • Page 4: Service And Spare Parts

    Service Manual – SC530 General Information Service and Spare Parts Service and repairs must be performed only by authorized personnel or Nilfisk Service Centers. The authorized personnel is trained directly at the manufacturer’s premises and has original spare parts and accessories. Contact Nilfisk Retailer indicated below for service or to order spare parts and accessories, specifying the ma- chine model and serial number.

  • Page 5: Safety

    Service Manual – SC530 General Information Safety Symbols It is important for you to read and understand this manual. The information it contains relates to protecting your safety and preventing problems. The symbols below are used to help you recognize this information. Warning: Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury...

  • Page 6: Machine Lifting

    Service Manual – SC530 General Information Property Damage Messages – Storage and operation temperature must be above 0°C and a humidity between 30% and 95%, non-condensing. – Before use, all doors and hoods should be properly latched. – This machine is not approved for use on public paths or roads. –...

  • Page 7: Technical Data

    Service Manual – SC530 General Information Technical Data MODEL Units SC530 53 B GO SC530 53 BD GO Packing dimensions (Lx W x H) 1370x600x1300 Machine height 1080 Machine length 1260 Machine width (without squeegee) Machine weight with empty tanks (without...

  • Page 8: Maintenance Schedule

    Service Manual – SC530 General Information Maintenance Schedule Procedure Daily, after use Weekly/ Monthly Every 6 Months Annually Charge Battery Clean squeegee blades Inspect pad/brush Clean solution and recovery tanks Inspect recovery tank seal Inspect squeegee blades for damage Clean the solution filter Inspect for loose fasteners and electrical connections Inspect/replace scrub motor brushes (battery model) 1 Also perform this inspection after the initial 10 hours of new machine usage.

  • Page 9: Machine Nomenclature (Machine Structure)

    Service Manual – SC530 General Information Machine Nomenclature (machine structure) Recovery tank cover 19. Front wheels on fixed axle (A). Driving wheels (B) Can holder 20. Brush/pad-holder Handlebar 21. Brush/pad-holder deck Control panel 22. Recovery water drain hose Squeegee lifting/lowering lever 23.
  • Page 10 Service Manual – SC530 General Information Machine Nomenclature (control panel) 36. Machine backward switch (B) 54. Ignition key (0 - I) 37. Tank safety cable 55. Detergent flow control knob (**) 38. Battery connector (red) 56. Speed adjuster (B) 39. Detergent tank filler plug (**) 57.

  • Page 11: Service And Diagnostic Equipment

    Service Manual – SC530 General Information Service and Diagnostic Equipment Besides a complete set of standard meters, the following instruments are necessary to perform fast checks and repairs on Nilfisk-Advance machines: Laptop computer charged with the current version of EzParts, Adobe Reader and (if possible) Internet con- nection •...
  • Page 12 Service Manual – SC530 General Information...

  • Page 13: Control System

    Control System Service Manual – SC530 Control System Wiring diagram (machine without drive) RD-BK RD-BK BN-BK BU-BK Figure 1 COMPONENTS WIRE ROD CODE Description 24V BATTERIES RED/6AWG VS10204 BATTERY CHARGER RED/10AWG VS13201 CONTROL PANEL BOARD RED/16AWG 9095127000 BRUSH MOTOR ELECTROM SWITCH RED/20AWG VS10201 VACUUM MOTOR ELECTROM SWITCH...

  • Page 14: Wiring Diagram (Machine With Drive)

    Control System Service Manual – SC530 Wiring diagram (machine with drive) RD-BK RD-BK BU-BK signal 2 BN-BK signal 1 signal 1 GN-BK BU-BK signal 2 GN-BK Figure 2 COMPONENTS WIRE ROD CODE Description 24V BATTERIES RED/6AWG VS10204 BATTERY CHARGER RED/10AWG VS13201 CONTROL PANEL BOARD RED/16AWG...

  • Page 15: Troubleshooting

    Control System Service Manual – SC530 Troubleshooting Trouble Possible causes Remedy The batteries (BAT) are discharged or its Charge the batteries or clean/repair the connections are not efficient connections Batteries faulty Check the battery no-load voltage Battery charger faulty Replace The machine is not working The fuses (F1, F2, F3) are open Replace...

  • Page 16: Removal And Installation

    Control System Service Manual – SC530 Removal and Installation Control panel and control electronic board disassembly/assembly (EB1) Disassembly Drain the recovery tank. Turn the ignition key to “0” and remove it. Make sure that the machine cannot move independently. Turn the recovery tank sideways, then disconnect the battery connector. Unscrew the screws (A) and carefully move the control panel (B).

  • Page 17: Handlebar And Drive Switches Disassembly/Assembly (Es3)

    Control System Service Manual – SC530 Handlebar and drive switches disassembly/assembly (ES3) Disassembly Drain the recovery tank. Turn the ignition key to “0” and remove it. Make sure that the machine cannot move independently. Turn the recovery tank sideways, then disconnect the battery connector. Unscrew the screws (A) and carefully move the control panel (B).
  • Page 18 Control System Service Manual – SC530 Rear panel disassembly/assembly Disassembly Drain the recovery tank. Turn the ignition key to “0” and remove it. Make sure that the machine cannot move independently. Turn the recovery tank sideways, then disconnect the battery connector. Lower the squeegee (A) with the lever (B).
  • Page 19 Control System Service Manual – SC530 Drive system electronic board disassembly/assembly Disassembly Remove the rear panel (see the procedure in the relevant paragraph). Disconnect the electrical connections (A) on the drive system electronic board (B), then move the wiring out of the way. Unscrew the two screws (C) and remove the drive system electronic board (B).
  • Page 20 Control System Service Manual – SC530 Battery charger disassembly/assembly Disassembly Drain the recovery tank. Turn the ignition key to “0” and remove it. Make sure that the machine cannot move independently. Turn the recovery tank sideways, then disconnect the battery connector. Disconnect the terminals of the right-hand battery (A), then remove it using suitable lifting equipment.

  • Page 21: Checking/Replacing Fuses

    Control System Service Manual – SC530 Checking/Replacing Fuses Fuses on control panel (F1), (F3) Drain the recovery tank. Turn the ignition key to “0” and remove it. Make sure that the machine cannot move independently. Turn the recovery tank sideways, then disconnect the battery connector. Unscrew the screws (A) and carefully move the control panel (B).
  • Page 22 Control System Service Manual – SC530...

  • Page 23: Recovery Water System

    Recovery Water System Service Manual – SC530 Recovery Water System Troubleshooting Trouble Possible causes Remedy The switch is broken Replace The vacuum system motor is faulty Check the amperage. The vacuum system motor does not turn on The fuse is blown Replace.

  • Page 24: Removal And Installation

    Recovery Water System Service Manual – SC530 Removal and Installation Vacuum System Amperage Check Warning! This procedure must be performed by qualified personnel only. Drain the recovery tank. Make sure that the machine cannot move independently. Turn the recovery tank (A) sideways. Apply the amp clamp on the cable from the positive pole of the batteries (B). Turn on the machine with the ignition key.
  • Page 25 Recovery Water System Service Manual – SC530 Vacuum System Motor disassembly/assembly (M2) Disassembly Drain the recovery tank. Turn the ignition key to “0” and remove it. Make sure that the machine cannot move independently. Turn the recovery tank sideways, then disconnect the battery connector. Working from the bottom of the recovery tank, unscrew the screws (A) and remove the vacuum motor retention plate (B).
  • Page 26 Recovery Water System Service Manual – SC530...

  • Page 27: Brushing System

    Brushing System Service Manual – SC530 Brushing System Troubleshooting Trouble Possible causes Remedy The brush is excessively worn Replace The brush does not clean properly The batteries are discharged. Charge them The motor carbon brushes are worn Replace The motor is faulty Check the motor amperage/replace the motor There are ropes or debris restraining the...

  • Page 28: Removal And Installation

    Brushing System Service Manual – SC530 Removal and Installation Brush Motor Amperage Check Warning! This procedure must be performed by qualified personnel only. Drain the recovery tank. Remove the brush. Make sure that the machine cannot move independently. Turn the recovery tank (A) sideways. Apply the amp clamp on the cable from the positive pole of the batteries (B). Turn on the machine with the ignition key.
  • Page 29 Brushing System Service Manual – SC530 Brush Deck Disassembly/Assembly Disassembly Drain the recovery tank. Drain the clean water tank. Remove the brush. Remove the squeegee. Remove the machine’s batteries. Position a flattened cardboard box the same size as the machine’s side. With the assistance of a second person, turn the machine over sideways and rest its right-hand side on the box positioned on the floor.
  • Page 30 Brushing System Service Manual – SC530 Brush Deck Disassembly/Assembly (Continues) Mark the position of the nut (E) with respect to the threaded tie rod (F) of the spring (G) (position to be used during reassembly). 10. Unscrew the nut (E), then disconnect the tie rod (F) from the support (S). 11.
  • Page 31 Brushing System Service Manual – SC530 Brush Motor Carbon Brushes Disassembly/Assembly Disassembly Remove the brush deck (see procedure in the relevant paragraph); it is not necessary to disconnect the brush motor electrical connection. Unscrew the screws (A) and remove the brush motor (C) protection strip (B). For each of the motor’s four carbon brushes, disengage the spring (D) and remove the carbon brush (E) from its seat, then detach the carbon brush by disengaging its electrical connection (F).
  • Page 32 Brushing System Service Manual – SC530 Brush Motor Disassembly/Assembly (M1) Disassembly Remove the brush deck (see procedure in the relevant paragraph). Unscrew the screw (A) and remove the brush hub (B), along with the flange. Remove the brush motor (D) fastening screws (C). Remove the brush motor (D) from the brush deck (E).

  • Page 33: Solution Supply System

    Solution Supply System Service Manual – SC530 Solution Supply System Troubleshooting Trouble Possible causes Remedy The solution filter is clogged/dirty Clean Solenoid valve faulty or electrical connection Replace the solenoid valve or repair the Small amount of solution or no solution broken electrical connection reaches the brush...

  • Page 34: Removal And Installation

    Solution Supply System Service Manual – SC530 Removal and Installation Solenoid Valve Disassembly/Assembly (M4) Disassembly Remove the wheels assembly with drive system motor (see the procedure in the relevant paragraph). Loosen the clamps (A) and disconnect the hoses (B) from the solenoid valve (C). Unscrew the screws (D) and move the solenoid valve (C).

  • Page 35: Squeegee System

    Squeegee System Service Manual – SC530 Squeegee System Functional Description The squeegee suction hose draws air/water from the squeegee assembly. The squeegee consists of two squeegee blades: a forward, notched blade, and a rear scraping blade. The notched blade permits water to pass into the space between the two blades, where it is drawn into the suction hose.

  • Page 36: Maintenance And Adjustment

    Squeegee System Service Manual – SC530 Maintenance and Adjustment Squeegee Blade Changing The two squeegee blades periodically need to be changed as they wear. The blades may be flipped or reversed to a fresh edge up to 3 times before replacement is required. During replacement, it is important for the blades to be installed flat without waves, and then also adjusted to rest flat against the floor.
  • Page 37 Squeegee System Service Manual – SC530 Pull out on the latch (D) to release the tension on the retaining strap. Separate the retaining hooks (E) from the two halves of the retaining strap. Slide each retaining strap (G) toward the outside, and lift them off the edge retaining hooks (H). Remove the backing pad (F), and retain it for placement after rotating or replacing the squeegee blade.
  • Page 38 Squeegee System Service Manual – SC530 11. Loosen the clamping thumbscrew (P) on the rear strap (L), and remove the strap from the frame. 12. Remove the rear squeegee blade. – The squeegee can be rotated and/or flipped 3 times to expose a new edge (4 edges total) to the lower front.
  • Page 39 Squeegee System Service Manual – SC530 Squeegee Trim Adjustment The squeegee trim adjustment ensures that the squeegee frame is level with the floor when the squeegee is in the lowered, operating position. If the trim is out of adjustment, the squeegee can leave streaks of water at either the center or the edges of the squeegee.

  • Page 40: Removal And Installation

    Squeegee System Service Manual – SC530 Removal and Installation Squeegee spring disassembly/assembly Disassembly Drain the recovery tank. Drain the clean water tank. Remove the brush. Remove the squeegee. Remove the machine’s batteries. Position a flattened cardboard box the same size as the machine’s side. With the assistance of a second person, turn the machine over sideways and rest its right-hand side on the box positioned on the floor.

  • Page 41: Drive System

    Drive System Service Manual – SC530 Drive System Troubleshooting Trouble Possible causes Remedy Thermal fuse blown/broken Reset/Replace The machine does not move The machine has been started using the ignition Turn the ignition key to “0”, then restart the key, keeping one of the switches pressed. machine without pressing the switches.

  • Page 42: Removal And Installation

    Drive System Service Manual – SC530 Removal and Installation Drive System Motor Amperage Check Warning! This procedure must be performed by qualified personnel only. Drain the recovery tank. Drain the clean water tank. Drive onto a smooth, flat floor. Lift the squeegee. Lift the brush. Turn the recovery tank (A) sideways. Apply the amp clamp on the cable from the positive pole of the batteries (B).
  • Page 43 Drive System Service Manual – SC530 Wheels Assembly with Drive System Motor disassembly/assembly (M3) Disassembly Drain the recovery tank. Drain the clean water tank. Remove the brush. Remove the squeegee. Remove the machine’s batteries. Remove the rear panel (see the procedure in the relevant paragraph). Disconnect the electrical connections (B) of the drive motor wiring from the drive system electronic board (A).
  • Page 44 Drive System Service Manual – SC530 Wheels Assembly with Drive System Motor disassembly/assembly (M3) (Continues) Position a flattened cardboard box the same size as the machine’s side. With the assistance of a second person, turn the machine over sideways and rest its right-hand side on the box positioned on the floor. Remove the wheels assembly with drive motor (D) fastening screws (C).
  • Page 45 Drive System Service Manual – SC530 Wheels Disassembly/Assembly Disassembly Drain the recovery tank. Drain the clean water tank. Remove the brush. Remove the squeegee. Remove the machine’s batteries. Position a flattened cardboard box the same size as the machine’s side. With the assistance of a second person, turn the machine over sideways and rest its right-hand side on the box positioned on the floor.
  • Page 46 Drive System Service Manual – SC530 Remove the wheels assembly with drive system motor (see the procedure in the relevant paragraph). Unscrew the screws (A) inside the two wheels. Remove the outer cover (B) of the wheels. Unscrew the screws (C) and remove the wheels (D). Remove the drive motor.
  • Page 47 We supply a full range of cleaning equipment for rental or purchase. For more information, or a cleaning solution to suit your business, please get in touch – For a more comprehensive product range, please visit our website. Address Contact Berrington House, t: 0845 33 77 695 Berrington Road,...

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