DESCRIPTION. Replacement of batteries B ,2. Charging of batteries B ,4. Replacement of motor B ,6

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1 04- BACKUUM BATTERY/ACRO-BATT B DESCRIPTION PLAN Replacement of batteries B , Charging of batteries B ,4 Replacement of motor B ,6 Wiring diagram B Replacement of dust chamber lid, B Replacement of frame for pre-filter B Replacement of sound suppressors B Replacement of curcuit board B Replacement of dust chamber and fixed straps B

2 B REPLACEMENT OF BATTERIES 3 4

3 04- REPLACEMENT OF BATTERIES B WARNING! The charger must be disconnected from the supply mains when removing the battery. NO TOOLS NEEDED! REPLACE/CONNECT The batteries are placed inside the battery cases. NOTE! Never remove the battery from the battery case. The method of replacing batteries is to first disconnect the wires connecting the batteries to the cleaner. This is done by twisting and then pulling the clamping circuit until the wires from the cleaner are separated from the wires to the batteries. Then remove the battery case from belt. This is done by lifting up the flap and pushing the button on the backside of the battery case so that the case is separated from the belt. TEST AFTER REPLACEMENT After repair, please check that the vacuum cleaner is functioning to Nilfisk specifications and to any local authorised precautions. NOTE! NEVER REMOVE THE BATTERY FROM THE BATTERY CASE. Refit new batteries in reversed order. SCRAPPING OF BATTERIES The batteries must be removed from the appliance before the appliance is scrapped. The battery is to be disposed of safely and in accordance with all locally approved precautions and environmental regulations. Recycle packing material and all assemblies according to local regulations. DISPOSAL OF BATTERIES Return batteries to a disposal plant. If the batteries are leaking, return batteries to a disposal plant or a similar local facility. Any leakage from the batteries can be removed with household paper. Leaking batteries and fouled household paper should be placed in a sealed plastic bag and then handled according to all locally approved precautions and environmental regulations. If leakage from the batteries has been in contact with skin, eyes or clothes - remove battery leakage with water.

4 B CHARGING OF BATTERIES CHARGER LED STATUS TABLE Charge mode Red LED Green LED ON/stand-by ON ON Rapid charge ON Trickle charge Blink rapidly End of charge Blink slowly Battery over/under temp. ON Error Blink rapidly

5 04- CHARGING OF BATTERIES B BEFORE CHARGING First disconnect the wires connecting the batteries to the cleaner. This is done by twisting and then pulling the clamping circuit until the wires from the cleaner are separated from the wires to the batteries. Then remove the battery case from belt. This is done by lifting up the flap and pushing the button on the backside of the battery case so that the case is separated from the belt. Battery packs should be used and charged together as a set. Do not mix battery packs. Do not take the battery packs out of their battery case. No battery maintenance is required. The battery packs should not be altered in any way. Use and store the battery packs indoors and in a dry environment. Operating temperature is 3 F to 04 F (0 C to 40 C) and storage temperature is 5 F to F (-5 C to 50 C). Battery life will be reduced if exposed to extreme temperatures, over 40 F (over 60 C). Do not unplug the battery packs from the machine or charger by pulling on the cord. To unplug, grasp the plugs, not the cord. Do not drop the battery packs. If the battery packs appears faulty, has been dropped, damaged, left outdoors or has been exposed to water, return it to an authorized service center. Let the battery pack completely discharge every 0th cycle as a minimum, by running the machine until the machine automatically stops because of low voltage. THE CARGER The Backuum Battery / Acro-Batt is supplied with a fully automatic charger. After the battery packs have discharged from use they can be connected to the charger. The charger will automatically begin charging when the proper temperature, 3 F to 04 F (0 C to 40 C), is reached. The LEDs on the charger will blink (Green LED) rapidly when the batteries are ready for use (95% charged) and blink slowly when the batteries are completely charged (00%). When the battery packs are fully charged the charger will automatically switch into trickle charge mode and will not overcharge the batteries. Charger should be located in an area with adequate ventilation. CHARGER LED STATUS TABLE CHARGING OF BATTERIES The machine is equipped with low voltage sensor and a high temperature sensor. The machine will not operate if the battery packs are too hot or if a low voltage condition exists. Battery packs should be used and charged together as a set. Do not mix battery packs if using more than sets of battery packs. It is a good idea to mark the sets. After the battery packs have discharged from use they can be connected to the charger. The charger will automatically begin charging when the proper temperature, 3 F to 04 F (0 C to 40 C), is reached. Do not disconnect battery packs from charger while charger is running. To obtain full run time from the battery packs after charging the temperature must cool to approximately 04 F (40 C). This typically takes 0,5 hour at room temperature. If the battery packs are connected before they are cooled down, run time will be reduced due to the temperature sensor within the machine. Charge mode Red LED Green LED ON/stand-by ON ON Rapid charge ON Trickle charge Blink rapidly End of charge Blink slowly Battery over/under temp. ON Error Blink rapidly

6 B REPLACEMENT OF MOTOR Disconnect the battery packs before doing any maintenance or service on the machine. First, open the dust chamber lid. Then remove the dust chamber from motor housing, use a Torx T 0 screwdriver and loosen the 4 screws holding the filter frame in place. Remove the filter and frame. Remove the black rubber bellow from the dust chamber by folding the rubber to centre of the machine so that it turn loose from the edge of the inlet. Remove the dust chamber from motor housing. 3 Use a Torx T 0 screwdriver and loosen the 9 screws holding the distance plate and back plate attached to motor housing. 4 Lift up and remove the distance plate from motor cover. Then remove the belt from cleaner. The belt is attached to the cleaner by the lead throug and screws from distance plate to back plate. 5 6 Remove the back plate from motor housing. Release the internal motor housing (the black part) using the snap-lock placed inside the motor housing cover Unscrew the six lid screws from the internal motor housing. Unscrew the screw at the holder. Slide the holder upwards. Then loosen the rubber gasket/membrane from the inlet and slide it upwards at the wires so that you can move the wires in order to loosen the motor.

7 04- REPLACEMENT OF MOTOR B Disconnect the battery packs before doing any maintenance or service on the machine. Torque wrench settings: Motor housing cover () screws.8nm Frame for pre filter (4) screws.8nm Lid cover motor (6) screws.8nm Tool Type: Torx T0 screwdriver Slot driver 3.5 mm x 0.6 mm Refit parts in reversed order. Test after repair After repair, please check that the vacuum cleaner is functioning to Nilfisk-Advance specifications and to any local authorised precautions. 0 Loosen the suspension ring from the motor by lifting the suspension ring upwards from motor. Lift up the motor from motor housing. Loosen the rubber suspension from the motor by lifting the suspension rubber upwards from motor. NOTE! See the wire pulling at the old motor and at the wiring diagram before loosen the wires from the motor. WIRING DIAGRAM

8 B WIRING DIAGRAM Disconnect the battery packs before doing any maintenance or service on the machine. Sensitive to Electrostatic Discharge (ESD) CAUTION! Details sensitive to electrostatic discharge. Notice applicable ESD-safety directions (acc. to CECC0005). VARNING! Detaljer känsliga för elektrostatisk urladdning. Iakttag gällande ESD-skyddsföreskrifte (enl. CECC0005). ATTENTION! Eléments sensibles aux décharges électrostatiques. Respecter les consignes de sécurité (selon CECC0005). ACHTUNG! Teile reagieren empfindlich auf elektrostaitisches Entladen. Beachten Sie die geltenden ESD-Schutzvorschrigten (gemäß CECC0005). AVISO! Piezas sensibles a las deschargas electrostáticas. Respete las reglas de protección ESD (conforme CECC0005). VAROITUS! Sähköstaattiselle purkaukselle herkät osat. Noudata voimassa olevia ESD-turvamääräyksiä(CEC C0005).

9 04- REPLACEMENT OF THE DUST CHAMBER LID B Disconnect the battery packs before doing any maintenance or service on the machine. Tools needed: Torx T 0 Screw-driver Adjustable pliers Offset gear driven or ratcheting screwdriver. Hammer. Test after repair After repair, please check that the vacuum cleaner is functioning to Nilfisk-Advance specifications and to any local authorised precautions. Dust chamber lid Pull out dust chamber lid hinge pin with a adjustable plier. Remove and refit with the new dust chamber lid. 3 Refit dust chamber lid Fit the lid to the grooves at the chamber. Then refit the lid hinge pin back in place. Secure pin by some gentle knocks with a hammer

10 B REPLACEMENT OF THE FRAME FOR THE MOTOR PRE FILTER Disconnect the battery packs before doing any maintenance or service on the machine. Torque wrench settings: Frame screws.8nm Tool Type: Torx T0. Offset gear driven or ratcheting screwdriver Test after repair After repair, please check that the vacuum cleaner is functioning to Nilfisk-Advance specifications and to any local authorised precautions. Open the dust lid chamber. Remove the frame () with four screws (. Replace with new frame and attach frame with the four screws. 3 Close the dust lid chamber

11 04- REPLACEMENT OF THE SOUND SUPPRESSORS B Disconnect the battery packs before doing any maintenance or service on the machine.

12 B REPLACEMENT OF THE CURCUIT BOARD Disconnect the battery packs before doing any maintenance or service on the machine. Refit parts in reversed order. Test after repair After repair, please check that the vacuum cleaner is functioning to Nilfisk-Advance specifications and to any local authorised precautions. Sensitive to Electrostatic Discharge (ESD) Use a Torx T 0 screwdriver and loosen the 9 screws holding the distance plate and back plate attached to motor housing. Lift up and remove the distance plate from motor cover. The belt is attached to the cleaner by the lead throug and screws from distance plate to back plate. Remove the belt from cleaner. 3 Remove the back plate from motor housing. Loosen the switch from curcuit board and motor housing cover. Then pull out the curcuit board from cleaner. NOTE! Before removing all wires connected to the old curcuit board, take a look at the present wire pulling and the wiring diagram below.

13 04- REPLACEMENT OF THE DUST CHAMBER/FIXED STRAPS B Disconnect the battery packs before doing any maintenance or service on the machine. Tools needed: Torx T 0 Screw-driver Adjustable pliers Offset gear driven or ratcheting screwdriver. Hammer. Flat screw-driver Screws: Combi Torx T 0 Torque wrench settings: Chamber lid hinge pin () removal n/a Frame screws ().8Nm Refit parts in reversed order. Test after repair After repair, please check that the vacuum cleaner is functioning to Nilfisk-Advance specifications and to any local authorised precautions. Dust chamber lid Pull out dust chamber lid hinge pin() with a adjustable plier. Remove and refit with the new dust chamber lid. 3 Remove the frame () with four screws (). 4 Remove the black rubber bellow from the dust chamber by folding the rubber to centre of the machine so that it turn loose from the edge of the inlet. 5 Loosen all 4 screws holding inner and outer dust chambers together. Remove the fixed straps and the strap handle from the old dust chamber 6 Put a flat screwdriver between the inner and outer dust chamber. Gently bend the two chambers apart. Then add the ends of the strap handle and the ends of the fixed straps parts in to the space between the chambers. Put back the screws to the chambers and tighten so that the chambers are sealed and the straps are fixed between the chambers.