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Page 12

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

SKU 68024 

        

stop immediately and take the tool to a 

qualified service technician.

7.  Press the Safety Nosepiece against 

the workpiece and squeeze the Trigger.  

The tool must cycle (fire) only once.

 

Release the trigger and squeeze it 

again.  

The tool must cycle (fire) 

again only once.

  With the Trigger 

held, carefully lift the tool and press it 

against the workpiece again.  

The tool 

must cycle (fire) again only once.

  If 

it fails to act in the manner explained 

in bold, have it repaired by a qualified 

service technician.

Single Sequential Safety Trip 

Mechanism Definition

The Single Sequential safety trip 

mechanism is designed to prevent inadvertent 

firing. To set the Nailer in the Single 

Sequential mode, turn the Mode Switch to the 

Single Sequential position (as indicated by the 

single bump fire symbol). 

 

The tool should only fire if the Safety 

Nosepiece is pressed against the workpiece 

prior to pulling the Trigger.  It should only fire 

again if the trigger is released and squeezed 

again.  The Tool should not fire if the Safety 

Nosepiece is not pressed against an object.

Single Sequential Safety Trip 

Mechanism Testing Procedure

 

TO PREVENT 

SERIOUS INJURY 

FROM ACCIDENTAL 

OPERATION: Empty the tool 

before this procedure.  Point the 

tool at a piece of scrap wood 

when testing.

1.  Disconnect the tool from the air supply.
2.  Empty the magazine of fasteners.

3.  Check that the Trigger and the Safety 

Nosepiece move freely, without sticking.

4.  Connect the air supply to the tool and 

set within the Operating Air Pressure 

indicated on the Specification chart.

5.  Test the tool by pressing the Safety 

Nosepiece against the workpiece 

without pulling the Trigger.  

The tool 

must not cycle (fire).

 If it cycles (fires), 

stop immediately and take the tool to a 

qualified service technician for repair.

6.  Hold the tool away, or off of the 

workpiece.  The Safety Nosepiece 

should return to its original position. 

Squeeze the Trigger. 

The tool must 

not cycle (fire).

  If it cycles (fires), 

stop immediately and take the tool to a 

qualified service technician.

7.  Press the Safety Nosepiece against 

the workpiece and squeeze the Trigger.  

The tool must cycle (fire) only once.

 

Release the trigger and squeeze it 

again.  

The tool must cycle (fire) 

again only once.

  With the Trigger 

held, carefully lift the tool and press 

it against the workpiece again.  

The 

tool must not cycle (fire).

  If it fails 

to act in the manner explained in 

bold, have it repaired by a qualified 

service technician.

Summary of Contents for 68024

Page 1: ...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 t...

Page 2: ...ious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to p...

Page 3: ...reases the risk of injury to persons as a result of being caught in moving parts c Avoid unintentional starting Be sure the trigger is released before connecting to the air supply Do not carry the too...

Page 4: ...ing Many accidents are caused by poorly maintained tools There is a risk of bursting if the tool is damaged h Use only accessories that are identified by the manufacturer for the specific tool model U...

Page 5: ...the tool to a new location 13 Do not make any modifications to tool 14 Refer to the tool maintenance instructions for detailed information on the proper maintenance of the tool 15 Fire fasteners into...

Page 6: ...mon sense and caution are factors which cannot be built into this product but must be supplied by the operator Vibration Precautions This tool vibrates during use Repeated or long term exposure to vib...

Page 7: ...For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Unpacking When unpacking make sure that the item is intact and u...

Page 8: ...r Adjusts air pressure to tool D Lubricator optional For air tool lubrication E Coupler and Plug Provides each connections F Leader Hose optional Increases coupler life G Air Cleaner Dryer optional Pr...

Page 9: ...ll Valve To drain moisture from system G Branch Air Line 1 2 minimum recommended Brings air to point of use H Filter Prevents dirt and condensation from damaging tool or work piece I Air Cleaner Dryer...

Page 10: ...he air compressor s output regulator so that the air output is enough to properly power the tool but the output will not exceed the tool s maximum air pressure at any time Adjust the pressure graduall...

Page 11: ...Bump Fire Position as indicated by the two bump fire symbols The tool should only fire if the Safety Nosepiece is pressed against the workpiece and the trigger is pulled It should fire again if the tr...

Page 12: ...fety Trip Mechanism Testing Procedure TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION Empty the tool before this procedure Point the tool at a piece of scrap wood when testing 1 Disconnect the too...

Page 13: ...n the coil between the tabs of the Drive Guide making sure the nail head fits in the slot in the top end of the Drive Guide 5 Swing the Magazine Cover closed Then close the Cover Plate making sure the...

Page 14: ...king on roofs tar and dirt may build up on the Nose of the Roofing Nailer This can prevent normal operation Remove buildup with a nonflammable solvent NEVER use gasoline or other flammable solvents Do...

Page 15: ...ricants may damage the mechanism and may be highly flammable causing an explosion Note These procedures are in addition to the regular checks and maintenance explained as part of the regular operation...

Page 16: ...AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO 2 Remove the jammed fastene...

Page 17: ...3 Incorrect fasteners used 4 Magazine dirty or not lubricated properly 5 Insufficient air flow 1 Clear jammed fastener according to Clearing Jams instructions 2 Fill with correct fasteners 3 Empty th...

Page 18: ...44 Trigger 1 45 Pin 3x30 3 46 Adjusting seat 1 47 Pin 2 5x22 1 48 Safety Nosepiece spring 1 49 Flat Washer 1 50 Push stem 1 51 Depth screw 1 Part Description Q ty 52 Depth Knob 1 53 Retaining Ring 3 1...

Page 19: ...Page 19 For technical questions please call 1 800 444 3353 SKU 68024 Assembly Diagram...

Page 20: ...tal 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 MERCHAN...

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