Mirka® AROP-B 312NV & ARP-B 300NV • 77 mm (3") • 10.8 V
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Charger diagnostics
The charger will indicate if:
• A battery pack is overheated All three charging lights will flash Remove the battery, allow it to cool down for 15–30
minutes and re-insert
• A malfunction occurs in the battery or the charger Two charging lights will flash Remove the battery and allow it to
cool down Re-insert the battery pack into the charger If two charging lights still flash, the battery or charger may
require service
Getting started
• When unpacking the tool, make sure it is intact, complete and has not been damaged in transport Never use a
damaged tool
• Before use, check that the backing pad is correctly mounted
• Insert the fully charged battery pack into the polisher until it locks in place with a click
Operating instructions
• The tool is intended to be operated as a hand-held tool It can be used in any position
• Select a suitable polishing pad and secure it to the backing pad Make sure the polishing pad is centered on the
backing pad
• You power on and start the polisher by pressing the switch trigger
• The polisher will run as long as the trigger is pressed When the trigger is released, the polisher stops but remains in
active mode for a short time before it automatically deactivates / powers off
• When polisher is in active mode, the right LED is green
• When an intelligent battery is used, all three LEDs will flash green for three seconds during startup
• In active mode, the left LED shows the battery status:
– Green: Battery charge level is OK
– Flashing green: Battery charge level is below 75%
– Flashing green/red: Battery charge level is below 50%
– Flashing red: Battery charge level or battery health (only available with intelligent battery) is under 25%
– Red: Battery voltage too low, polisher is not operable
AROP-B: 4,000–7,000 rpm. Use the trigger to adjust the speed between 4,000 and max rpm In active mode, you can
adjust the rpm by pressing rpm+ or rpm–, see Figure 1 The rpm can be adjusted in steps of 500 rpm between 4,000
and 7,000
ARP-B: 1,500–2,200 rpm. Use the trigger to adjust the speed between 1,500 and max rpm In active mode, you can
adjust the rpm by pressing rpm+ or rpm–, see Figure 1 The speed settings are 1,500, 1,600, 1,700, 1,800, 1,900, 2,050
and 2,200 rpm
• You can lock the speed to prevent an accidental rpm change Wait until the polisher is not in active mode
Simultaneously press and hold both the rpm+ and rpm– buttons and then pull the switch trigger IRepeat the same
operation to unlock the tool If rpm+ or rpm– is pressed in speed lock mode, the right led flashes red twice but no
speed change occurs
• When polishing, always place the tool against the work surface before starting it Always remove the tool from the
work surface before stopping it This will prevent damage to the work surface due to excess speed of the polishing
pad
• When polishing is finished, remove the battery from the polisher by simultaneously pressing the buttons on both
sides Charge the battery
