PROBLEM
POSSIBLE CAUSES
SOLUTIONS
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 is overheating.
Ensure cooling vents are free of dust
and obstacles.
Clean and clear vents. Do not cover
with hand during operation.
Unplug the drill from the power source.
2. Open the chuck jaws by turning the
sleeve in a counterclockwise direction.
3. Use a star head screwdriver (not included)
to remove the chuck screw by turning it i
in a clockwise direction.
4. Insert a 5/16" 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.
Mallet
Chuck jaws
Hex wrench
15
16
M
A
IN
TE
N
A
N
C
E
TR
O
U
B
LE
S
H
O
O
TI
N
G
1
.
Removing
the
chuck(fig 5)
1
ITEM
2
3
fig 5
model number 054-5847-8
