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9. To prevent accidents, remove tool’s Battery
Pack after use. Clean, then store the
tool indoors out of children’s reach.
Drilling in Wood
1. Use high speed drill bits for wood drilling and
set mode to Drilling (Model HC92K1 only).
2. Start wood drilling at very low speed
to keep the bit from slipping. Increase
speed as drill bit bites into wood.
3. When drilling through holes, place a block
or wood behind the workpiece to prevent
ragged edges on the back side of the hole.
Drilling in Metal
1. Use high speed drill bits for metal drilling and
set mode to Drilling (Model HC92K1 only).
2. Start metal drilling at very low speed to keep the bit
from slipping. Maintain the speed and pressure,
allowing for cutting without overheating the bit.
3. When drilling large holes in metal surfaces, use a
small drill bit at first. Then finish with a larger drill
bit. Be sure to lubricate the bit with oil to improve
the drilling action and help increase bit life.
Drilling in Masonry (Model HC92K1 only)
1. Use carbide or specialty bits for masonry drilling
and set mode to Hammer Drilling.
2. When drilling in walls, start with regular
drilling and, once tile is pierced, continue
with Hammer Drilling mode.
NOTE:
In deep bore holes, occasionally pull
the drill bit out to remove dust and chips.
MAINTENANCE AND SERVICING
Procedures not specifically explained
in this manual must be performed
only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM
ACCIDENTAL OPERATION:
Make sure that the Trigger is locked and Battery
Pack is removed before performing any procedure
in this section.
TO PREVENT SERIOUS INJURY FROM TOOL
FAILURE:
Do not use damaged equipment.
If abnormal noise or vibration occurs, have
the problem corrected before further use.
Cleaning, Maintenance,
and Lubrication
1.
BEFORE EACH USE,
inspect the general
condition of the tool. Check for:
• leaking, swollen, or cracked battery pack,
• loose hardware,
• misalignment or binding of moving parts,
• cracked or broken parts, and
• any other condition that may
affect its safe operation.
2.
AFTER USE,
wipe external surfaces
of the tool with clean cloth.
3. Disconnect battery pack and store battery pack,
charger, and tool in dry, indoor area out of
reach of children and away from metal objects
(i.e., paperclips, coins) to prevent shorting.
Troubleshooting
Problem
Possible Causes
Likely Solutions
Tool will not start.
1. Battery Pack not properly
connected.
2. Battery Pack not properly charged.
3. Battery Pack worn out.
4. Internal damage or wear.
1. Remove Battery Pack, make sure there are no obstructions,
clean battery contacts on tool, reinsert the Battery Pack and
press firmly until the Battery Pack locks in place.
2. Make sure Charger is connected and operating properly. Give
enough time for Battery Pack to recharge properly.
3. Dispose of old Battery Pack properly or recycle. Replace Battery Pack.
4. Have technician service tool.
Tool operates slowly. 1. Forcing tool to work too fast.
2. Battery Pack wearing out.
1. Allow tool to work at its own rate.
2. Dispose of old Battery Pack properly or recycle. Replace Battery Pack.
Performance
decreases over time.
1. Carbon brushes worn or damaged.
2. Bit dull or damaged.
1. Have qualified technician replace brushes.
2. Keep bits sharp. Replace as needed.
Excessive noise
or rattling.
Internal damage or wear.
Have technician service tool.
Overheating.
1. Forcing tool to work too fast.
2. Bit dull or damaged.
3. Blocked motor housing vents.
1. Allow tool to work at its own rate.
2. Keep bits sharp. Replace as needed.
3. Wear ANSI-approved safety goggles and NIOSH-approved dust mask/
respirator while blowing dust out of motor using compressed air.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect Battery Pack and Charger power supply before service.
