Extension Cords; Electrical Connections - Palmgren 81112 Manual De Operación

Palmgren Operating Manual & Parts List
INSTALLATION (CONTINUED)
• A temporary 3-prong to 2-prong grounding adapter (See
Figure 6) is available for connecting plugs to a two pole outlet
if it is properly grounded.
Grounding Lug
Adapter
3-Prong Plug
Figure 6 – 2-Prong Receptacle with Adapter
• Do not use a 3-prong to 2-prong grounding adapter unless
permitted by local and national codes and ordinances.
(A 3-prong to 2-prong grounding adapter is not permitted in
Canada.) Where permitted, the rigid green tab or terminal on
the side of the adapter must be securely connected to a per-
manent electrical ground such as a properly grounded water
pipe, a properly grounded outlet box or a properly grounded
wire system.
• Many cover plate screws, water pipes and outlet boxes are not
properly grounded. To ensure proper ground, grounding means
must be tested by a qualified electrician.

EXTENSION CORDS

• The use of any extension cord will cause some drop in voltage
and loss of power.
• Wires of the extension cord must be of sufficient size to carry
the current and maintain adequate voltage.
• Running the unit on voltages which are not within ±10% of the
specified voltage may cause overheating and motor burn-out.
• Use the table to determine the minimum wire size (A.W.G.)
extension cord.
• Use only 3-wire extension cords having 3-prong grounding
type plugs and 3-pole receptacles which accept the tool plug.
• If the extension cord is worn, cut or damaged in any way,
replace it immediately.
EXTENSION CORD LENGTH (120 VOLTS)
Wire Size
Up to 25 ft.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
25-50 ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
NOTE:
Using extension cords over 50 ft. long is not recommended.
EXTENSION CORD LENGTH (240 VOLTS)
Wire Size
Up to 50 ft.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
50-100 ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
100-200 ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
200-300 ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
NOTE:
Using extension cords over 300 ft. long is not recommended.

ELECTRICAL CONNECTIONS

WARNING:
All electrical connections must be performed by a
qualified electrician. Make sure tool is off and disconnected from
power source while motor is mounted, connected, reconnected or
anytime wiring is inspected.
• Motor and wires are installed as shown in wiring diagram (See
Figure 7). Motor is assembled with approved, 3-conductor cord
to be used at 120/240 volts. Motor is prewired at the factory for
120 volts.
Sander has a push button switch for safe and easy operation
Make sure this is
Connected to a known
Grounded Receptacle
2-Prong Receptacle
A.W.G.
A.W.G.
5
• To use the sander witha 240V power supply, have a qualified
electrician rewire motor and attach a 240 volt three-prong plug
onto sander line cord.
3-Red
1-Black
3-Red
1-Black
Figure 7 – Wiring Schematic
Push button switch has a solenoid to prevent re-starting after a
power supply interruption. To start machine after a power supply
interruption, push the OFF switch first, then push the ON switch.
OPERATION
Refer to Figure 8 and 11.
WARNING:
Operation of any power tool can result in foreign
objects being thrown into eyes which can result in severe eye
damage. Always wear safety goggles complying with United States
ANSI Z87.1 (shown on package) before commencing power tool
operation.
CAUTION:
Always observe the following safety precautions:
• Whenever adjusting or replacing any parts on the tool, turn
switch OFF and remove the plug from power source.
• Recheck table handles. They must be tightened securely.
• Make sure all guards are properly attached and securely
fastened.
• Make sure all moving parts are free and clear of any interference.
• Make sure all fasteners are tight and have not vibrated loose.
• With power disconnected, test operation by hand to verify
clearance and adjust if necessary.
• Always wear eye protection or face shield.
• Make sure abrasive belt tracks properly. Correct tracking gives
optimum performance.
• After turning switch ON, always allow belt to come up to full
speed before sanding or grinding.
• Be sure motor runs clockwise on disc side. Abrasive belt must
travel down.
• Keep your hands clear of abrasive belt, disc and all moving parts.
• For optimum performance, do not stall motor or reduce speed.
Do not force the work into the abrasive.
• Support workpiece with belt table when sanding with belt,
with disc table when sanding with disc.
• Never push a sharp corner of workpiece rapidly against belt or
disc. Abrasive backing may tear.
• Replace abrasives when they become loaded (glazed) or frayed.
• When grinding metal, move workpiece across abrasive to
prevent heat build-up.
• Never attempt wet sanding. If workpiece becomes too hot to
handle, cool it in water.
2-Gray
4-Yellow
120V
2-Gray
4-Yellow
240V
81112