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All manuals and user guides at all-guides.com
A
Fig. 1
Fig. 2
D
Fig. 5
Fig. 6
H
Fig. 9
Fig. 13
T
U
S
Fig. 17
Fig. 18
C
Fig. 21
Fig. 22
•
Disconnect the charger from the outlet before attempting any cleaning. This will reduce the risk of
electric shock. Removing the battery pack will not reduce this risk.
•
NEVER attempt to connect two chargers together.
•
The charger is designed to operate on standard household electrical power (120 Volts). Do not
attempt to use it on any other voltage. This does not apply to the vehicular charger.
SAVE THESE INSTRUCTIONS
MOTOR
Do not operate your tool on a current on which the voltage is not within correct limits. Do not
operate tools rated A.C. only on D.C. current. To do so may seriously damage the tool.
BATTERY OPERATION
CHARGING THE BATTERY PACK
Before using your cordless tool for the first time, fully charge the battery pack. If the battery pack is
installed in the tool, remove it by following instructions under "INSTALLING OR REMOVING BATTERY
PACK".
As a battery pack approaches the discharged state, you will notice a sharp drop in tool performance.
When the tool is unable to perform, recharge the battery pack. Recharging the battery pack before this
condition is reached will reduce the total work life of the pack. Discharging the pack beyond this point
can damage the pack.
NOTE: Battery temperature will increase during and shortly after use. Batteries may not accept a full
charge if they are charged immediately after use. Allow the battery pack to cool to room temperature
before charging for best results.
The battery charger may rest on the four pads provided on the bottom of the case or be mounted on a
wall by utilizing the two key hole slots provided.
Electrocution hazard. 120 volts are present at charging terminals. Do not probe with
conductive objects.
Vent slots in top and bottom of charger must not be obstructed. Do not charge battery
when temperature is BELOW 40°F (4.44°C) or ABOVE 104°F (40°C).
NORMAL CHARGING
Make sure that the power circuit voltage is the same as that shown on the charger specification plate.
Connect the charger to the power source. The green light (A) Fig. 1 should begin to flash, indicating that
the charger is ready to begin charging.
Position the battery pack on the charger, align the rails on the battery pack with four tabs (C) Fig. 1 on the
charger. Slide the battery forward on the charger until it stops. The green light (A) should begin to glow
continuously, indicating that the battery pack is receiving a "Fast Charge". If the green light does not glow
continuously, or if the red light (B) also begins to flash, see "DIAGNOSTICS"). After approximately one
hour, the "Fast Charge" indicator light should go out, indicating that the battery pack is fully charged and
that the charger is now in a "Maintenance Charge" mode. The battery pack can be left on "Maintenance
Charge" until you are ready to use it. Depending on room temperature, line voltage, and existing charge
level, initial battery charging may take longer than one hour.
Risk of unsafe operation. Disconnect charger from power source when not in use.
DIAGNOSTICS
The Model 8924 charger is equipped with a diagnostic system that automatically checks the battery
pack when it is inserted into the charger. If no problems are found, the charger will automatically switch
to "Fast Charge" mode as described in "NORMAL CHARGING"
Problems will be indicated by charger indicator lights (see Fig. 1):
• If the green light (A) continues to flash after battery pack is inserted in charger, the battery pack
temperature is either too high or too low for charging. If left alone, the charger will continue to monitor
the battery pack temperature and will begin charging when the temperature reaches an acceptable
level.
• If the green light (A) glows continuously and red light (B) flashes, the battery pack is receiving a "Fast
Charge", but the battery pack voltage is low. It is not unusual for a new, or a fully discharged battery
pack to give this indication for the first several minutes of charge. If the red light continues to flash
throughout the charge cycle, it indicates that the pack is weak and will provide reduced performance
(the pack is still useable, but will not provide maximum power or work per charge). This battery pack
will probably require replacement in the near future.
• If the green light (A) continues to flash and red light (B) flashes, the battery pack has failed (pack is not
chargeable and requires replacement).
IMPORTANT CHARGING NOTES
1.
Longest life and best performance can be obtained if the battery pack is charged when the air
temperature is between 65°F and 75°F (18°- 24°C). DO NOT charge the battery pack in an air
temperature below +40°F (+4.5°C), or above +105°F (+40.5°C). This is important and will prevent
serious damage to the battery pack.
2.
The charger and battery pack may become warm to touch while charging. This is a normal
condition, and does not indicate a problem. To facilitate the cooling of the battery pack after use,
avoid placing the charger or battery pack in a warm environment such as in a metal shed, or an
uninsulated trailer.
3.
If the battery pack does not charge properly:
a.
Check current at receptacle by plugging in a lamp or other appliance
b.
Check to see if receptacle is connected to a light switch which turns power off when you turn
out the lights.
c.
Move charger and battery pack to a location where the surrounding air temperature is approxi-
mately 65°F - 75°F (18°- 24°C).
d.
If charging problems persist, take the tool, battery pack and charger to your local service
center.
4.
The battery pack should be recharged when it fails to produce sufficient power on jobs which were
easily done previously. DO NOT CONTINUE to use under these conditions. Follow the charging
procedure. You may also charge a partially used pack whenever you desire with no adverse affect
on the battery pack.
5. Under certain conditions, with the charger plugged into the power supply, the exposed charging
contacts inside the charger can be shorted by foreign material. Foreign materials of a conductive
nature such as, but not limited to, steel wool, aluminum foil, or any buildup of metallic particles
should be kept away from charger cavities. Always unplug the charger from the power supply when
there is no battery pack in the cavity. Unplug charger before attempting to clean.
6. Do not freeze or immerse charger in water or any other liquid.
Shock hazard. Do not allow any liquid to get inside charger.
Never attempt to open the battery pack for any reason. If the plastic housing of the battery
pack breaks or cracks, return to a service center for recycling.
INSTALLING OR REMOVING BATTERY PACK
Make certain the lock-off button (A) Fig. 9 is engaged to prevent switch actuation
before moving or installing battery.
To remove a battery pack, depress the battery release button (A) Fig. 2, and pull the battery pack out of
the tool. To install a battery pack, align the rails on battery pack (D) Fig. 1 with the slots on the tool and
push the battery pack on the tool until it locks in place.
NOTE: Make sure your battery pack is fully charged.
A
B
B
Fig. 3
G
Fig. 7
E
Fig. 10
K
L
J
M
Fig. 11
Q
P
Q
Fig. 15
Fig. 14
Fig. 19
U
Fig. 23
C
Lock trigger switch before removing or installing battery. See "SWITCH LOCK
OUT."
OPERATION
STARTING AND STOPPING THE SAW
This tool is always in an operating condition because it does not have to be
plugged into an electrical outlet. Keep hands, body, and clothing clear of the blade when a
battery pack is installed in the saw.
The trigger switch is equipped with a "lock-off" button (A) Fig. 3. This "lock-off" button extends
through the upper handle area, and may be depressed from either the left or the right side of the
handle. Depress either end of this button to release the "lock-off" feature, allowing the trigger
switch to be engaged.
1.
TO START THE SAW – Depress and hold either end of the "lock-off" button (A) Fig. 3, then
squeeze the trigger switch (B) Fig. 3 to start the saw. (The "lock-off" button may be re-leased
as soon as the trigger switch is squeezed).
2.
TO STOP THE SAW – Release the trigger switch.
REMOVING THE BLADE
Remove the battery pack.
1.
Pull the blade wrench (C) Fig. 4 from the storage pocket on the right side of the saw.
2.
Push in the blade lock (D) Fig. 5, and rotate the blade by hand until the lock engages the
blade arbor.
3.
While holding the blade lock engaged, use the blade wrench to loosen the blade retaining bolt
by rotating it clockwise. NOTE: The blade retaining bolt has a left-hand thread.
4.
Remove the blade retaining bolt, release the blade lock, and remove the outer blade flange.
5.
Retract the telescoping guard and the remove blade.
INSTALLING THE BLADE
Remove the battery pack.
1.
Remove any accumulated sawdust in the guards, around the arbor, and the telescoping guard
spring. Check the telescoping guard to ensure that it is in working order.
2.
Clean the inner blade flange, retract the telescoping guard, and place a sharp blade on the
arbor. Make sure that the teeth point up at the front of the saw (Fig. 6).
3.
Place the outer blade flange on the arbor with the flange toward the blade. Mate the flats with
those on the arbor.
4.
Replace the blade retaining bolt. and handtighten by turning it counter-clockwise.
5.
Push in the blade lock. Rotate the blade arbor by hand until the lock engages the arbor.
Tighten the blade retaining bolt with the blade wrench (C) Fig. 4 just enough to prevent blade
slippage during normal cutting, and release the blade lock.
TELESCOPING GUARD
The telescoping guard (E) Fig. 7 is an important safety device. Each time you use the saw, see
that the telescoping guard rotates freely and returns quickly and completely to its closed position.
Frequently check the retracting spring (F) Fig. 8 to see that it is functional and free of debris. At
least once a month, remove any accumulated sawdust, pitch, or other debris from the area around
the hub (G) Fig. 7 of the telescoping guard. Add a few drops of light machine oil at each end of the
hub. NEVER block or wedge the telescoping guard in the open position.
Do not use your saw if the telescoping guard is not in working order. If the telescoping
guard movement is sluggish or binding exists, return the saw to your nearest AUTHORIZED
PORTER-CABLE SERVICE CENTER or PORTER-CABLE SERVICE CENTER for repair.
TO ADJUST THE DEPTH OF CUT
Adjust the depth-of-cut so that the saw blade just protrudes through the thickness of workpiece
being cut.
To adjust the depth of cut:
Remove the battery pack.
1.
Lift up the depth adjusting lever (H) Fig. 9 at the rear of the saw.
2.
Raise or lower the saw housing until the blade extends the desired distance below the
workpiece.
NOTE: The depth adjusting segment (J) Fig. 10 is marked in 1/8" increments. Aligning the
required marking with the lower edge of the housing will produce the approximate depth of
cut desired.
3.
Press the depth-adjusting locking lever down firmly, locking the saw in the selected position.
TO ADJUST FOR BEVEL CUTS
Remove the battery pack.
1.
Lift up the bevel adjustment locking lever (K) Fig. 11.
2.
Tilt the saw base until the desired graduation line on the bevel segment (L) Fig. 11 lines up
with the indicating mark (M) Fig. 11 on bracket.
3.
Return the bevel adjustment locking lever to the locked positioN. press down firmIy.
90° AND 45° BEVEL POSITIVE STOPS
This saw is equipped with adjustable positive stops for both 90° (N) Fig. 12, and 45° bevel cuts (O)
Fig. 12. Although these have been set at the factory, check them occasionally to ensure accuracy.
TO ADJUST THE 90° POSITIVE STOP
Remove the battery pack.
1.
Loosen the bevel adjustment locking lever (K) Fig. 11. Position the base for 90° cuts, being
sure that the top of the base is in contact with the bottom of stop screw (N) Fig. 12. Tighten
the locking lever.
2.
Turn the saw upside down, retract the telescoping guard. Check the squareness of blade (Fig.
13).
3.
To adjust loosen the bevel adjustment locking lever, keeping the top of the base in contact
with the stop screw. Turn the stop screw until the angle is correct.
TO ADJUST THE 45° POSITIVE STOP
Remove the battery pack.
1.
Loosen the bevel-adjustment locking lever (K) Fig. 11. Tilt the base until the top of the stop
screw (O) Fig. 12 contacts the extension on the bevel segment. Tighten the locking lever.
2.
Turn the saw upside down, retract the telescoping guard, and check the 45° angle
(Fig. 14).
3.
To adjust loosen the bevel-adjustment locking lever and turn the stop screw until the angle
is correct.
LINE OF CUT INDICATOR
A line of cut indicator (P) Fig. 15 is provided at the front of the base. Use the left edge of the notch
to follow a line when making 90° cuts. Use the right edge of the notch to follow a line when making
45° cuts.
To adjust:
Remove the battery pack.
1.
Adjust the saw for a 90° cut.
2.
Loosen the two screws (Q) Fig. 15.
3.
Place a straight edge along the side of the blade, touching the set of the blade teeth at both
the front and rear of blade (Fig. 16).
C
Fig. 4
F
Fig. 8
Fig. 12
N
O
Fig. 16
Fig. 20
V
W
Fig. 24
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