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SKU  90399      

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

Page 5

Operation (continued)

FIGURE 1

Hammer Face (10)

(Pounding on this with the

Hammer (49)

 shoots out a

staple.

Air Inlet (47)

Magazine (30a)

Arm (48)

Sleeve (36a)

Shoe (28)

Staples exit the
Stapler from the
bottom of the

Shoe (28)

.

Loading the Stapler

Warning!  

Disconnect the Stapler from the air compressor whenever loading or servicing.

After disconnecting the Stapler from the air compressor, there could still be enough air pres-
sure 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. See page 6 under “Using the Stapler” for
firing instructions.

1.

Grip the 

Sleeve (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

.

Assembly

 - Attaching the 

Arm (48)

 is the only assembly required. See 

FIGURE 1

 and the

Assembly Drawing on page 8.
The two 

Clamp Screws (44)

 fit in the recessed gaps on the lower part of the 

Arm (48)

.

As shown below, hold the 

Clamp Screws (44)

 in place around the 

Body (18)

 and add a

Washer (45)

 and a 

Nut (46)

 to the threaded ends of the 

Clamp Screws (44)

.  Tighten them

securely.

Recessed
Gap

Clamp Screws (44)

Sleeve (36a)

FIGURE 2

Magazine (30a)

Air Inlet (47)

Hammer Face (10)

Shoe (28)

Magazine Cover (33a)

Locking Pin (38)

REV 11/04

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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