Central Pneumatic 93257 Assembly And Operating Instructions Manual
MAGNESIUM COIL SIDING NAILER
Model
93257
ASSEMBLY AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 2005 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of Harbor
Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improve-
ments, actual product may differ slightly from the product described herein. Tools required for assembly
and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Revised Manual 10g
PRODUCT SPECIFICATIONS
Operating Air Pressure 70~125 PSI *
Average Air Consumption 4 CFM @ 90 PSI
Actuation System Full Sequential Safety Trip Mechanism
Magazine Type Barrel Type, Nail Coil Canister w/Adjustable Nail Height
Magazine Capacity 250–400 Nails
Nail Type 0.082”–0.099” Shaft (12–14 Gauge), Wire-Collated Only
Nail Length Capacity 11/4”–21/8” Long
Air Inlet Size
Overall Dimensions 111/4” L x 5” W x 111/4” H
Unit Weight 5.7 Pounds
1
/4”-18 NPT
Accessories
* The air pressure setting must not exceed job site regulations/restrictions. The air pressure setting must not exceed 90 PSI when being used with work pieces that have a thickness of less than
1-3/4”.
Tool Oil, Hex Wrench**
**Refer to Inspection, Maintenance, and Cleaning, page 11, for proper usage.
SAVE THIS MANUAL
You will need this manual for the safety warnings and precautions, assembly, operating,
inspection, maintenance and cleaning procedures, parts list and assembly diagram. Keep
your invoice with this manual. Write the invoice number on the inside of the front cover.
Keep this manual and invoice in a safe and dry place for future reference.
SAFETY WARNINGS AND PRECAUTIONS
WARNING: When using tool, basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment. Read all
instructions before using this tool!
1. Keep work area clean. Cluttered areas invite injuries.
2. Observe work area conditions. Do not use machines or power tools in damp or
wet locations. Do not expose to rain. Keep work area well lit. Do not use electri-
cally powered tools in the presence of ammable gases or liquids.
3. Keep children away. Children must never be allowed in the work area. Do not let
them handle machines, tools, extension cords, or air hoses.
4. Store idle equipment. When not in use, tools must be stored in a dry location to
inhibit rust. Always lock up tools and keep out of reach of children.
5. Use the right tool for the job. Do not attempt to force a small tool or attachment
to do the work of a larger industrial tool. There are certain applications for which
this tool was designed. It will do the job better and more safely at the rate for
which it was intended. Do not modify this tool, and do not use this tool for a
purpose for which it was not intended.
SKU 93257 For technical questions, please call 1-800-444-3353 PAGE 2
REV 05j REV 06k
6. Dress properly. Do not wear loose clothing or jewelry as they can be caught in
moving parts. Protective, electrically nonconductive clothes and nonskid
footwear are recommended when working. Wear restrictive hair covering to
contain long hair.
7. Do not overreach. Keep proper footing and balance at all times. Do not reach
over or across running machines or air hoses.
8. Use eye and ear protection. Always wear ANSI-approved impact safety
goggles and appropriate hearing protection. Wear a full face shield if you
are producing metal lings or wood chips. Wear a NIOSH-approved dust
mask or respirator when working around metal, wood, and chemical dusts
and mists. Other people in the work area must also wear ANSI-approved
impact safety goggles.
9. Maintain tools with care. Keep tools clean for better and safer performance.
Follow instructions for lubricating and changing accessories. Inspect tool cords
and air hoses periodically and, if damaged, have them repaired by an authorized
technician. The handle must be kept clean, dry, and free from oil and grease at
all times. Do not operate a tool if any portion of the tool’s operating controls are
inoperable, disconnected, altered, or not working properly.
10. Disconnect air hose and release any built-up air pressure. Never service the
Nailer, clear jams, or disassemble with the air hose attached. Always release
any built-up air even after disconnecting hose. Disconnect the Nailer when not
in use.
11. Remove adjusting wrenches. Check that adjusting wrenches are removed
from the tool or machine work surface before attaching to an air source.
12. Avoid unintentional starting. Be sure the trigger is in the OFF position when not
in use and before plugging in. Do not carry any tool with your nger on the
trigger, whether it is attached to an air source or not. Do not point the tool
towards yourself or anyone whether it contains nails or not.
13. Stay alert. Watch what you are doing. Use common sense. Do not operate any
tool when you are tired.
14. Check for damaged parts. Before using any tool, any part that appears
damaged should be carefully checked to determine that it will operate properly
and perform its intended function. Check for alignment and binding of moving
parts, any broken parts or mounting xtures, and any other condition that may
affect proper operation. Any part that is damaged should be properly repaired or
replaced by a qualied technician. Do not use the tool if the trigger does not
operate properly.
SKU 93257 For technical questions, please call 1-800-444-3353 PAGE 3
15. Guard against electric shock. Prevent body contact with grounded surfaces
such as pipes, radiators, ranges, and refrigerator enclosures.
16. Replacement parts and accessories. This product is to be repaired and
serviced only by a qualied technician. When this product is serviced, only
identical replacement parts should be used. Use of any other parts will void the
warranty. Only use accessories intended for use with this tool. Approved
accessories are available from Harbor Freight Tools.
17. Do not operate tool if under the inuence of alcohol or drugs. Read warning
labels if taking prescription medicine to determine if your judgement or reexes
are impaired while taking drugs. If there is any doubt, do not operate the tool.
18. Use proper size and type extension cord. If an extension cord is required, it must
be of the proper size and type to supply the correct current to the compressor
without heating up. Otherwise, the extension cord could melt and catch re, or
cause electrical damage to the tool. Check your air compressor’s manual for the
appropriate size cord. It is also possible that the use of an extension cord may
cause your circuit breaker to trip or your panel fuse to break. If this happens, ei-
ther use a longer air hose, use the compressor without an extension cord, or nd
a larger amperage circuit to use.
19. Maintenance. The maintenance outlined in the “Maintenance” section should be
performed regularly. For your safety, this product should be serviced or repaired
regularly only by a qualied technician.
20. Compressed air only. Never use combustible gas as a power source.
21. Do not load nails with the trigger or safety depressed. Unintentional ring
may occur. Do not load nails when the air hose is connected to the tool.
Always assume the tool contains nails.
22. Disconnect air supply before loading the Nailer. Before reloading (or making
any adjustments to) the Nailer, make sure the compressed air is disconnected.
23. Fire nails into an appropriate work surface only. Do not attempt to re nails
into surfaces too hard to penetrate. Do not drive nails on top of other nails, or at
too steep an angle. Nails can ricochet, causing personal injury. Never re the
Nailer into the air, or point it toward yourself or another person. Always wear
ANSI-approved impact safety goggles during use, maintenance, and reloading.
24. Do not re nails too close to the edge of a workpiece. They may split the
workpiece and y free, causing personal injury.
SKU 93257 For technical questions, please call 1-800-444-3353 PAGE 4
25. Take caution, as some woods contain preservatives such as copper
chromium arsenate (CCA) which can be toxic. When nailing these materials
extra care should be taken to avoid inhalation and minimize skin contact.
WARNING: Some dust created by power sanding, sawing, grinding, drilling,
and other construction activities contain chemicals known (to the State of
California) to cause cancer, birth defects, or other reproductive harm.
Some examples of these chemicals are:
* Lead from lead-based paints,
* Crystalline silica from bricks, cement, and other masonry products,
* Arsenic and chromium from chemically treated lumber.
(California Health & Safety Code 25249.5, et seq.)
26. Stay within air pressure capacity. Never operate the Nailer above 125 PSI.
27. Hold tool away from head and body. During operation the Nailer may kick
back, causing injury.
28. Transport Nailer safely. Always disconnect air supply when moving the tool in
the workplace. Carry the tool by the handle to avoid contact with the trigger.
29. Avoid working alone. If an accident happens, an assistant can bring help.
30. Note: Performance of the compressor (if powered by line voltage) may vary
depending on variations in local line voltage. Extension cord usage may also
affect the tool performance.
31. WARNING: The warnings, cautions, and instructions discussed in this
instruction manual cannot cover all possible conditions and situations that may
occur. It must be understood by the operator that common sense and caution
are factors which cannot be built into this product, but must be supplied by the
operator.
UNPACKING
When unpacking, check to make sure that all accessories listed on page 13 are
included, and the product is intact and undamaged. If any parts are missing or broken,
please call Harbor Freight Tools at the number shown on the cover of this manual as
soon as possible.
SKU 93257 For technical questions, please call 1-800-444-3353 PAGE 5
Rev 06k
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