Care & Maintenance; General Maintenance - Craftsman 125.DD20A Manual Del Usuario

WARNING:
When servicing, use only
identical replacement parts as listed in this
manual. Use of any other parts may create a
hazard or cause product damage.
WARNING:
To avoid serious personal
injury, always remove the battery pack from
the tool when cleaning or performing any
maintenance.

GENERAL MAINTENANCE

Avoid using solvents when cleaning plastic
parts. Most plastics are susceptible to
damage from various types of commercial
solvents and may be damaged by their use.
Use clean clothes to remove dirt, dust, oil,
grease, etc.
WARNING:
Do not at any time let brake
fluids, gasoline, petroleum-based products,
penetrating oils, etc. come in contact with
plastic parts. Chemicals can damage, weaken
or destroy plastic which may result in serious
personal injury.
WARNING:
When servicing, use only
identical replacement parts as listed in this
manual. Use of any other parts may create a
hazard or cause product damage. To ensure
safety and reliability, all repairs should be
performed by a qualified service technician.
CHUCK REMOVAL
The chuck can be removed and replaced
with a new one.
1. Lock the trigger switch by placing the
direction-of-rotation selector in the
center position.
2. Open the chuck jaws.
3. Insert a 5/16 in. or larger hex key into
the chuck of the drill and tighten the
chuck jaws securely onto the hex key.
4. Tap the hex key sharply with a mallet
in a clockwise direction. This will
loosen the screw in the chuck for easy
removal. See Figure 13, page
5. Open the chuck jaws and remove the
hex key. Using a Philips screwdriver,
remove the chuck screw by turning it in
CARE & MAINTENANCE
iii
15 ― English
a clockwise direction. See Figure 14,
page iii
NOTICE:
The chuck screw has reversed
threads.
6. Insert the hex key into the chuck
and tighten the chuck jaws securely.
Tap sharply with a mallet in a
counterclockwise direction. This will
loosen the chuck on the spindle. It can
now be unscrewed by hand, continuing
in a counterclockwise direction. See
Figure 15, page
CHUCK INSTALLATION
1. Lock the trigger switch by placing the
direction-of-rotation selector in the
center position.
2. Screw the new chuck onto the
threaded drive shaft in a clockwise
direction until it is hand-tight.
3. Open the chuck jaws. Insert the
original chuck screw and, using a
Philips screwdriver, secure the screw
by turning it in a counterclockwise
direction.
NOTICE:
The chuck screw has reversed
threads.
4. Put a bit into the tool and check that
the new chuck is tight and does not
wobble; if it wobbles or appears to be
loose, tighten the chuck screw further.
WARNING:
Always wear safety
glasses with side shields during
maintenance.
WARNING:
To ensure safety and
reliability, all repairs should be performed by
a qualified service technician.
WARNING:
To avoid serious personal
injury, always remove the battery pack from
the drill when cleaning or performing any
maintenance.
iii