12/2017 A - 2156091197 - Nilfisk Liberty SC50ENGLISH - AINSTRUCTIONS FOR USE9/2018PREPARE THE MACHINE FOR USEBATTERIESIf this machine shipped with batteries installed do the following:• Check that the batteries are connected to the machine.• Press the Power Switch (B) to power ON machine and check the Battery Indicator (F8). If the gauge is completely filled the batteries are ready for use. If thegauge is less than full the batteries should be charged before use. See the “Charging the Batteries” section.• IMPORTANT!: IF YOUR MACHINE HAS AN ONBOARD BATTERY CHARGER REFER TO THE OEM PRODUCT MANUAL FOR INSTRUCTIONSREGARDING SETTING THE CHARGER FOR BATTERY TYPE.If this machine shipped without batteries installed do the following:• Consult an Authorized Nilfisk dealer for recommended batteries.• Install the batteries by following the instructions below.• IMPORTANT!: THIS MACHINE HAS AN ONBOARD BATTERY CHARGER REFER TO THE OEM PRODUCT MANUAL FOR INSTRUCTIONSREGARDING SETTING THE CHARGER FOR BATTERY TYPE.INSTALL THE BATTERIESWARNING !Use extreme caution when working with batteries. Sulfuric acid in batteries can cause severe injury if allowed to contact the skinor eyes. Explosive hydrogen gas is vented from inside the batteries through openings in the battery caps. This gas can be ignitedby any electrical arc, spark or flame. If battery acid makes contact with your skin or eyes, flush the affected area with water for 5minutes and seek medical attention.When Servicing Batteries...• Remove all jewelry to avoid accidental shorts.• Do not smoke.• Wear safety glasses, a rubber apron and rubber gloves.• Work in a well-ventilated area.• Do not allow tools to touch more than one battery terminal at a time.• ALWAYS disconnect the negative (ground) cable first when replacing batteries to prevent sparks.• ALWAYS connect the negative cable last when installing batteries.CAUTION !Electrical components in this machine can be severely damaged if the batteries are not installed and connected properly. Batteriesshould be installed by Nilfisk or by a qualified electrician.Only batteries approved for use in this machine by Nilfisk shall be installed.24V255A/H-20HR-RATE1 Empty the Recovery Tank (22) using the Recovery Tank Drain Hose (37).2 Press the Power Switch (B) to power OFF machine and remove the magneticSmartKey. Unlatch (36) then swing open the Recovery Tank Cover (20) and set theProp Rod (39).3 Tip the Recovery Tank (22) back towards the operator’s platform to expose thebattery compartment. Note: The recovery tank can be removed for complete accessto the batteries if desired. See service manual for recovery tank removal steps.4 Using (2) people and an appropriate lifting strap, carefully lift the batteries into thecompartment tray exactly as shown. Refer to the molded diagram on the undersideof the Recovery Tank Cover.5 See Figure 2-1. Install battery cables as shown and carefully tighten the nut ineach battery terminal until the battery cable will not rotate. Do not over-tighten theterminals, or they will be very difficult to remove for future service.6 Install the battery boots and secure tightly to the battery cables with the supplied tiestraps.7 Connect the machine’s main power cables to the batteries. Close the recovery tankcover.When changing batteries or the charger, please contact a local authorizedservice center for correct battery, charger and machine settings to preventbattery damage.FIGURE 2-1FRONT