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SKU  90399      

 For technical questions, please call 1-800-444-3353.

Page 2

Save This  Manual

You will need the manual for the safety warnings and precautions, assembly instructions,

operating and maintenance procedures, parts list and diagram.  Keep your invoice with this
manual.  Write the invoice number on the inside of the front cover.  Keep the 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 re-
duce the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

1.

THIS TOOL DOES NOT USE A SAFETY MECHANISM; extreme caution must be

used whenever this tool is connected to an air supply.

  If the tool is dropped or if the

Hammer Face (10) is accidentally struck, then the tool will fire a staple, potentially caus-
ing 

SEVERE PERSONAL INJURY

.

2.

Keep work area clean

.  Cluttered areas invite injuries.

3.

Observe work area conditions

.  Do not use machines or power tools in damp or wet

locations.  Don’t expose to rain.  Keep work area well lighted.  Do not use electrically
powered tools in the presence of flammable gases or liquids.

4.

Keep children away

.  Children must never be allowed in the work area.  Do not let them

handle machines, tools, extension cords, or air hoses.

5.

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.

6.

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 in-
tended.

Specifications

Note: SKU 90429 - 2”, 15 Gauge Staples are available from Harbor Freight Tools.

Note: This Floor Stapler is designed for use on wood floors.

Air Inlet

1/4” - 18 NPT

Recommended Air Pressure

70-90 PSI

Maximum Air Pressure

100 PSI

Dimensions

22-1/2” x 17-1/2” x 3-1/8”

Weight

21.85 Lbs.

Magazine Capacity

80 Pcs. / Top Loaded

Air Consumption

5.0 CFM @ 80 PSI

Fastener Size Range

3/4” to 2” Long x 15 Gauge

Staples included:  400, 1/2” crown, 2” Long, 15 Gauge
Iincludeds:  Tool Oil, 3 Hex Wrenches, Storage Case, Hammer

REV 11/04; 04/05; 02/07

Summary of Contents for Contractor 90399

Page 1: ...ww harborfreight com For technical questions and replacement parts please call 1 800 444 3353 Model 90399 Copyright 2003 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 Revised Manual 06 04 ...

Page 2: ...well lighted Do not use electrically powered tools in the presence of flammable gases or liquids 4 Keep children away Children must never be allowed in the work area Do not let them handle machines tools extension cords or air hoses 5 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 6 Use the right to...

Page 3: ...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 fixtures and any other condition that may affect proper operation Any part that is dam aged should be properly repaired or replaced by a qualified technician Do not use the tool i...

Page 4: ... broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible Floor Stapler 1 4 18 NPT 21 Compressed air only Never use combustible gases as a power source Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be under stood by the operator that common s...

Page 5: ... 36a and pull out the Magazine Cover 33a Insert the staples inside the Magazine 30a Note Only use the size staples listed on the Specifications Chart on page 2 2 Use caution the Magazine Cover 33a will try to snap closed with force when the Pin 38 is pressed While holding the Sleeve 36a firmly use a small screwdriver to press in the Locking Pin 38 along the edge of the Magazine Cover See FIGURE 2 ...

Page 6: ...rive out a staple Lift the tool off of the floor 4 Repeat the process until you are finished Then disconnect the Floor Stapler from the air source Warning After disconnecting the Stapler from the air compressor there could still be enough air pressure to fire the Stapler After the air compressor hose is disconnected always fire the Stapler repeatedly to make sure all of the air is expended Operati...

Page 7: ...ir hose 2 Empty Magazine 30a completely 3 Attempt to fire the Stapler into a piece of scrap wood to ensure that it is disconnected and is incapable of firing any staples 4 Always leave Magazine Cover 33a open during maintenance The Magazine is spring loaded and may cause parts or a staple to fly out of the Stapler Clearing Jams 1 Disconnect tool from air hose empty Magazine 30a of staples release ...

Page 8: ... h S 7 g n i r 0 a 9 2 n i P 8 g n i r 0 a 0 3 e n i z a g a M 9 y s s A n o t s i P a 1 3 p a C e n i z a g a M 0 1 e c a F r e m m a H a 2 3 w e r c S 1 1 w e r c S a 3 3 r e v o C e n i z a g a M 2 1 p a C r e d n i l y C 4 3 n i P 3 1 g n i r 0 5 3 n i P 4 1 w e r c S a 6 3 e v e e l S 5 1 r e h s a W 7 3 g n i r p S t n e t e D 6 1 r o t a u t c A t e p p o P 8 3 n i P h c t a L r e v o C 7 1...

Page 9: ...90399 For technical questions please call 1 800 444 3353 Page 9 Assembly Diagram 27 Installed Spacer for 25 32 Flooring 27a Spacer is included with tool not installed Spacer for 1 2 Flooring REV 04 05 02 06 ...

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