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SKU 46309 

Page 5

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

Testing the Full Sequential Safety Trip Mechanism

Warning:  Even though the nailer should be empty during this procedure, ALWAYS point 

the nailer at a piece of scrap wood when testing.

1.  Make sure the tool is disconnected from the power supply.
2.  Completely empty the magazine of nails.
3.  The Nailer should not fire if the nose is not depressed against the workpiece.
4. 

Check that the 

Trigger (29)

 and the 

Safety (56)

 move freely, without sticking - see 

Figure 

1

, next page.   

5.  Connect the air supply to the tool at the 

Air Inlet (38)

 set at the recommended 55-95 

PSI, and not to go over the maximum 95 PSI. 

6.  Test the tool by depressing the 

Safety (56)

 against the workpiece without pulling the 

Trigger (29)

 The tool must not cycle (fire)

.  If it cycles (fires), stop immediately and 

take the tool to an authorized service technician.

7.  Hold the tool away or off of the workpiece.  The 

Safety (56)

 of the tool should return to 

its original position.  Squeeze the 

Trigger (29)

.  

The tool should not cycle (fire).  

If it 

cycles (fires), stop immediately and take the tool to an authorized service technician.

8.  Depress the 

Safety (56)

 against the workpiece and squeeze the 

Trigger (29)

.  

The 

tool must cycle (fire) once only

.  Release the trigger and squeeze it again.  

The tool 

must not cycle (fire)

.  With the Trigger held, carefully lift the nailer and press it against 

the workpiece again.  

The tool must not cycle (fire)

.  If it fails to act in the manner 

described in bold, have it repaired by a qualified service technician.

Unpacking

When unpacking, check to make sure the parts listed on page 8 are 

included. If any parts are missing or broken, please call Harbor Freight Tools at 

the number on the cover of this manual as soon as possible.

NOTE

: Although a spare 

Drive Pin (46)

Step Pin (45)

Piston Head (44)

O-ring (43)

, and 

assorted O-rings are included, these parts are for installation by a qualified technician only.

Operation

 

For best service, you should incorporate an oiler, regulator, and inline filter, as shown in 

the diagram below.  Hoses, couplers, oilers, regulators, and filters are all available at Harbor 

Freight Tools.

Note: 

To connect this tool, we recommend a quick coupler/adapter (not included).  Coupler/

adapters are available at Harbor Freight Tools. If an automatic oiler is not used, put 

3-5 drops of pneumatic tool oil in the 

Air Inlet (38) 

before each use.

Nailer

REV 04/05

Summary of Contents for 46309

Page 1: ... com Copyright 2001 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 For technical questions and replacement parts please call 1 800 444 3353 Manual Revised 11h TO PREVENT SERIOUS INJURY READ AND UNDERSTAND ALL WARNINGS AND INSTRUCTIONS BEFORE USE ...

Page 2: ...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 electrically powered tools in the presence of flammable 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 tool...

Page 3: ...nt the tool towards yourself or anyone whether it contains fasteners 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...

Page 4: ...o the edge of a workpiece They may split the workpiece and fly free causing personal injury 25 Take caution as some woods contain preservatives such as copper chromium arsenate CCA which can be toxic When stapling or 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 construc...

Page 5: ...he tool to an authorized service technician 8 Depress the Safety 56 against the workpiece and squeeze the Trigger 29 The tool must cycle fire once only Release the trigger and squeeze it again The tool must not cycle fire With the Trigger held carefully lift the nailer and press it against the workpiece again The tool must not cycle fire If it fails to act in the manner described in bold have it r...

Page 6: ...RSONAL INJURY Operation continued Loading Brad Nails ALWAYS WEAR ANSI APPROVED IMPACT SAFETY GOGGLES WHEN RELOADING OR DOING ANY OTHER MAINTENANCE ON THIS TOOL Other people in the work area must also wear ANSI approved impact safety goggles Warning Make sure the Nailer is not attached to the air hose whenever loading the tool 1 Press the Retaining Spring 58 up and slide the Magazine 60 back 2 Hold...

Page 7: ...to the position shown in Figure 2 Remove the Driver Guide Cover 51 3 Remove the jammed nail Pliers may be necessary to remove a stuck nail 4 Inspect the Drive Pin 46 for bends or breakage see location in Figure 3 If it is damaged do not use the tool until it is repaired by a qualified technician 5 Lightly oil the Drive Pin 46 Replace the Driver Guide Cover 51 and latch the Quick Release Spring 50 ...

Page 8: ...ap 1 Loose screws 2 Damaged Gasket 7 1 Tighten Screws 2 Replace Gasket 7 Runs slowly or has power loss 1 Insufficient oil 2 Broken Spring in Cylinder Cap 3 Exhaust 1 is blocked 1 Lubricate as instructed 2 Replace Compression Spring 6 3 Replace damaged parts Nailer skips a nail 1 Worn Bumper 17 or damaged Pusher Spring 2 Dirt in Driver Guide 52 3 Inadequate airflow to Nailer 4 Worn or dry O Ring on...

Page 9: ...O THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Parts List Part Description 1 Exhaust 2 Screw 3 Washer 4 Cylinder Cap Assembly 5 Seal Air 6 Compression Spring 7 Gasket 8 O ring 9 O ring 10 Head Valve Piston 11 O Ring 12 Stopper 13 Collar 14 O ring 15 O ring 16 Cylinder 17 Bumper 18 Body 19 Nozzle 20 Cover 21 Trigger Axle He...

Page 10: ...ls before attempting to inspect or perform maintenance to the Nailer 1 Inspect all of the nuts and screws and make sure they are securely fastened 2 Periodically lubricate the driving mechanism and magazine with a light oil Wipe down with a clean cloth Never use gasoline or flammable solvents to clean the tool 3 Inspect your air compressor according to manufacturer s instructions REV 04 05 ...

Page 11: ...e exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an...

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