Before each use
1. Inspect the hammer drill, the trigger switch, the cord and the accessories for damage.
2. Check for damaged, missing, or worn parts.
3. Check for loose screws, misalignment or binding of moving parts, or any other condition that may
affect the operation.
4. If abnormal vibration or noise occurs, turn the tool off immediately and have the problem corrected
before further use. Unplug the tool from the power source before cleaning or performing any maintenance.
Using compressed air may be the most effective cleaning method. Always wear safety goggles when
cleaning tools using compressed air.
Removing the chuck (Fig. 8)
1. Unplug the hammer drill from the power source.
2. Open the chuck jaws by turning the sleeve in a counterclockwise direction.
3. Use a Phillips screwdriver (not included) to remove the chuck screw by turning it in a clockwise
direction.
4. Insert a 5/16 in. or larger hex key (not included) into the chuck and securely tighten the chuck jaws
around the hex key.
5. Tap the hex key sharply with a mallet (not included) in a counterclockwise direction. This will loosen
the chuck for easy removal.
NOTICE:
The chuck screw has left-handed threads. Attach
a new
chuck to the spindle and
tighten the
chuck screw.
WARNING:
DO NOT ALLOW BRAKE FLUIDS, GASOLINE AND PETROLEUM-BASED PRODUCTS, PENETRATING OIL, ETC. TO COME
INTO CONTACT WITH PLASTIC PARTS. THESE SUBSTANCES CONTAIN CHEMICALS THAT CAN DAMAGE, WEAKEN,
OR DESTROY PLASTIC. WHEN SERVICING, USE ONLY IDENTICAL REPLACEMENT PARTS. THE USE OF ANY OTHER
PARTS MAY CREATE A HAZARD OR CAUSE DAMAGE TO THE PRODUCT.
IF THE SUPPLY CORD OF THIS POWER TOOL IS DAMAGED, IT MUST BE REPLACED BY A SPECIALLY PREPARED
CORD AVAILABLE THROUGH THE SERVICE ORGANIZATION.
USE ONLY ACCESSORIES THAT ARE RECOMMENDED FOR THIS HAMMER DRILL BY THE MANUFACTURER. ACCES-
SORIES THAT MAY BE SUITABLE FOR ONE TOOL MAY BECOME HAZARDOUS WHEN USED WITH ANOTHER TOOL.
MAINTAIN TOOLS WITH CARE. KEEP CUTTING TOOLS SHARP AND CLEAN. PROPERLY MAINTAINED TOOLS WITH
SHARP CUTTING EDGES ARE LESS LIKELY TO BIND, AND ARE EASIER TO CONTROL.
TO ENSURE SAFETY AND RELIABILITY, ALL REPAIRS SHOULD BE PERFORMED BY A QUALIFIED SERVICE
If the problem remains unsolved after performing the checks described above, call the toll-free
helpline at 1-800-689-9928.
TROUBLESHOOTING
The motor does not start The tool is not connected to a
power source
Connect the tool to a power
source
The bit cannot be installed 1. The sleeve is not released
2. The bit does not fit the chuck
jaw
1. Release the sleeve
2. Use the appropriate bit
The motor overheats Ensure cooling vents are free of
dust and obstacles
Clean and clear vents. Do not
cover with hand during operation
PROBLEM POSSIBLE CAUSES SOLUTIONS
TROUBLESHOOTING
TECHNICIAN.
model no.054-2015 l contact us 1.800.689.9928
Fig.8
Mal let
Chu ck
jaw s
Hex w rench
OPERATION INSTRUCTIONS
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