Panasonic Cordless Angle Grinder EY46A2 Operating Instructions

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Attaching or Removing 
Battery Pack
 CAUTION
Before inserting battery pack, check that 
the power switch on the tool actuates 
properly and returns to the “OFF” 
position when released.
1.  To connect the battery pack:
  Align the highlighted marker pointsand attach battery pack.
•  Slide the battery pack until it locks  into position.
Alignment 
marks
2.  To remove the battery pack:
  Push down the button and slide the battery pack forward.
Button
IV. OPERATION
NOTE:
Be aware that this tool is...

- 12 - 
 WARNING
•  It should never be necessary to force the tool. The weight of the tool 
applies adequate pressure. Forcing 
and excessive pressure could cause 
dangerous grinding disc breakage.
•  ALWAYS replace grinding disc if tool  is dropped while grinding.
•  NEVER bang or hit grinding disc.
•  Avoid bouncing and snagging the  grinding disc, especially when 
working corners, sharp edges etc. 
This can cause loss of control and 
kickback.
 CAUTION
After operation, always switch off the 
tool and...

- 13 -  
Using a cut-off disc guard 
(Available as an accessory, not 
included)
1
3
2
Make sure the side.
1. Clamp nut
2. Cut-off disc
3. Disc flange
4. Spindle
4
 WARNING
•  When using an abrasive cut-off disc, be sure to use only the cut-off disc 
guard designed for this use with 
cut-off disc.
•  NEVER use cut-off disc for grinding.
•  Do not jam the Disc or apply  excessive pressure. Do not attempt 
to make an excessive depth of 
cut. Overstressing the cut-off 
disc increases the loading and...

- 14 - 
Overheat warning lamp
Off  
(normal 
operation) Flashing: Overheat 
Indicates operation has 
been halted due to battery 
overheatin
g.
To protect the battery, be sure to note 
the following when carrying out this 
operation.
•  If the battery becomes hot, the  protection function will be activated 
and the motor or battery will stop 
operating. The overheat warning lamp 
on the control panel illuminates or 
flashes when this feature is active.
•  If the overheating protection feature  activates,...

- 15 -  
[Battery Pack]
For Appropriate Use of 
Battery pack
Li-ion Battery pack 
•  For optimum battery life, store the Li-ion battery pack following use 
without charging it.
•  When charging the battery pack,  confirm that the terminals on the 
battery charger are free of foreign 
substances such as dust and 
water etc. Clean the terminals before 
charging the battery pack if any 
foreign substances are found on the 
terminals.
  The life of the battery pack terminals  may be affected by foreign...

- 16 - 
overheat warning lamp and the battery low 
warning lamp will flash to indicate that safe 
operation is not possible, and the main unit 
will not rotate normally. Connect the battery 
pack into the unit of the tool until the red or 
yellow label disappears.
[Battery Charger]
Charging
 CAUTION
•  The charger is designed to operate on standard domestic electrical 
power only as stated in the rating 
plate. Charge only on the voltage 
indicated on the rating plate of unit. 
e.g.230V / 50Hz.
•  Do not...

- 17 -  
LAMP INDICATIONS
Charging is completed. (Full charge.)
Battery is approximately 80% charged. 
Now charging.
Charger is plugged into the AC outlet. Ready to charge.
Charging Status Lamp.
Left: green  Right: orange will be displayed.
Battery pack is cool.
The battery pack is being charged slowly to reduce the load on the batte\
ry. 
Battery pack is warm. Charging will begin when temperature of battery pack drops. If the tempe\
rature of the 
battery pack is -10° or less, the charging status lamp...

- 18 - 
Replacing carbon brushes
Keep the carbon brushes clean and 
free to slip in the holders. When it is 
less than 5 mm shorter both carbon 
brushes should be replaced at the 
same time. Use only identical carbon 
brushes.
Carbon brush
Brush cap
Screw driver
Use a screwdriver to remove the caps. 
Take out the worn carbon brushes, 
insert the new ones and secure the 
brush caps.
To maintain product SAFETY and 
RELIABILITY, repairs, any other 
maintenance or adjustment should be 
performed by Panasonic...

- 19 -  
VII. SPECIFICATIONS
MAIN UNIT
Mounting wheel diameterΦ125 mm
Spindle thread size M14
Mounting wheel hole diameter  22 mm
Weight 1.65 kg (main unit only)
Overall length 300 mm (main unit only)
Noise, Vibration See the included sheet
Motor voltage DC 14.4 VDC 18 V
Rated speed 8000min
-1 (rpm)10000min-1 (rpm)
BATTERY PACK
Model No.EY9L41 EY9L42 EY9L44 EY9L45 EY9L50 EY9L51
Storage battery Li-ion Battery
Battery voltage DC 14.4 VDC 18 V
BATTERY CHARGER
Model No. EY0L82
Electrical rating See the...

- 20 - 
ONLY FOR U.K.
IX.  ELECTRICAL 
PLUG INFOR-
MATION
FOR YOUR SAFETY PLEASE READ 
THE FOLLOWING TEXT CAREFULLY
This appliance is supplied with a moulded 
three pin mains plug for your safety and 
convenience.
A 5 amp fuse is fitted in this plug.
Should the fuse need to be replaced 
please ensure that the replacement 
fuse has a rating of 5 amp and that it is 
approved by ASTA or BSI to BS1362.
Check for the ASTA mark 
 or the BSI 
mark 
 on the body of the fuse.
If the plug contains a removable fuse...