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Cat. No. HD18HIWR
1. Use only the appropriate size Square Drive
Sockets.
2. To attach a socket, align the accessory with the
drive shank and push it firmly over the retaining
ring.
3. To remove the accessory, pull the accessory off
the drive shank.
Cat. No. HD18HID
1. To attach an accessory, pull the
ring out and insert the accessory
shank. Release the ring. It may
be necessary to pull the bit out
slightly to engage the holding
mechanism.
2. To remove the accessory, pull out
the ring and remove the acces-
sory. Release the ring.
OPERATION
WARNING
pack before changing or removing ac-
cessories. Only use accessories specifically
recommended for this tool. Others may be
hazardous.
WARNING
wear safety goggles or glasses with side
shields.
Using Control Switch
The control switch may be set to three positions:
forward, reverse and lock. Due to a lockout mecha-
nism, the control switch can only be adjusted when
the trigger is not pressed. Always allow the motor
to come to a complete stop before using the control
switch.
1. For forward (clockwise) rotation, push the con-
trol switch from the right side of the tool. Check
the direction of rotation before use.
2. For reverse (counterclockwise) rotation, push
the control switch from the left side of the tool.
Check the direction of rotation before use.
3. To lock the trigger, push the control switch to the
center position. The trigger will not work when
the control switch is in the locked position.
Always remove the battery pack before perform-
ing maintenance, changing accessories, storing
the tool and any time the tool is not in use.
Starting, Stopping and Controlling Speed
These tools may be operated at any speed from
0 to full speed.
1. To start the tool, pull the trigger.
2. To vary the driving speed, increase or decrease
pressure on the trigger. The further the trigger is
pulled, the greater the speed.
3. To stop the tool, release the trigger.
Impacting Techniques
The longer a bolt, screw, or nut is impacted, the
tighter it will become. To help prevent damaging the
fasteners or workpieces, avoid excessive impact-
Always remove battery
To reduce the risk of injury,
ing. Be particularly careful when impacting smaller
fasteners because they require less impacting to
reach optimum torque.
Practice with various fasteners, noting the length of
time required to reach the desired torque. Check the
tightness with a hand-torque wrench. If the fasteners
are too tight, reduce the impacting time. If they are
not tight enough, increase the impacting time.
Oil, dirt, rust or other matter on the threads or
under the head of the fastener affects the degree
of tightness.
The torque required to loosen a fastener averages
75% to 80% of the tightening torque, depending on
the condition of the contacting surfaces.
On light gasket jobs, run each fastener down to a
relatively light torque and use a hand torque wrench
for final tightening.
MAINTENANCE
WARNING
always unplug the charger and remove
the battery pack from the charger or tool
before performing any maintenance. Never
disassemble the tool, battery pack or charger.
Contact a MILWAUKEE service facility for ALL
repairs.
Maintaining Tool
Keep your tool, battery pack and charger in good re-
pair by adopting a regular maintenance program.
After six months to one year, depending on use,
return the tool, battery pack and charger to a
MILWAUKEE service facility for:
• Lubrication
• Mechanical inspection and cleaning (gears,
spindles, bearings, housing, etc.)
• Electrical inspection (battery pack, charger,
motor)
• Testing to assure proper mechanical and
electrical operation
If the tool does not start or operate at full power
with a fully charged battery pack, clean the contacts
on the battery pack. If the tool still does not work
properly, return the tool, charger and battery pack,
to a MILWAUKEE service facility for repairs.
WARNING
personal injury and damage, never im-
merse your tool, battery pack or charger in
liquid or allow a liquid to flow inside them.
Cleaning
Clean dust and debris from charger and tool vents.
Keep tool handles clean, dry and free of oil or grease.
Use only mild soap and a damp cloth to clean the
tool, battery pack and charger since certain cleaning
agents and solvents are harmful to plastics and other
insulated parts. Some of these include gasoline,
turpentine, lacquer thinner, paint thinner, chlorinated
cleaning solvents, ammonia and household deter-
gents containing ammonia. Never use flammable or
combustible solvents around tools.
Repairs
For repairs, return the tool, battery pack and char-
ger to the nearest service center.
4
To reduce the risk of injury,
To reduce the risk of
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