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CHUCK REPLACEMENT
MODEL 7556 RIGHT ANGLE DRILL – see steps 5 through 11 and Fig. 3 in
(RIGHT ANGLE DRILL) section of this manual.
MODEL 7554 – PROCEED AS FOLLOWS:
1.
CAUTION: DISCONNECT TOOL FROM POWER SOURCE.
2.
Open chuck jaws as wide as possible to gain access to the chuck
retaining screw.
3.
Remove chuck retaining screw using
clockwise to remove.
4.
Remove chuck: place the short end of a large hex wrench (
into the chuck. Align wrench flats with chuck jaws and tighten chuck securely
using chuck key. While supporting chuck on a solid surface, position hex
wrench to left (see Fig. 4) and strike wrench a sharp blow with a hammer to
loosen chuck. Turn chuck counterclockwise to remove.
NOTE: The washer(s) should remain on the spindle for use with the
replacement chuck.
5.
INSTALL CHUCK: Open jaws of replacement chuck as wide as possible.
Thread chuck by turning chuck clock-wise. Hand tighten. Install hex wrench
in chuck (see Step 5). While supporting chuck on a solid surface, position
hex wrench to the right (see Fig. 5) and strike a sharp blow with a hammer to
seat chuck onto spindle.
6.
Remove hex wrench from chuck.
7.
INSTALL CHUCK RETAINING SCREW: Turn screw counterclockwise
with a
3
" hex wrench. Tighten securely.
/
16
REMOVE
CHUCK
LUBRICATION
This tool has been lubricated with a sufficient amount of high grade lubricant
for the life of the unit under normal operating conditions. No further
lubrication is necessary.
BRUSH INSPECTION AND LUBRICATION
For your continued safety and electrical protection, brush inspection and
replacement on this tool should ONLY be performed by an AUTHORIZED
PORTER-CABLE SERVICE STATION or a PORTER-CABLE/DELTA
FACTORY SERVICE CENTER.
Fig. 4
3
" hex wrench. Turn screw
/
16
11
1
" or larger)
/
4
INSTALL
CHUCK
Fig. 5
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