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SKU 54461

FIGURE 1

Seqential Trip Safety

Trigger (31)

Magazine
Latch (39)

Heel Cushion (79)

Warning!  This Nailer has a Sequential Trip safety mechanism. With the trigger pulled,
the unit will fire each time the nose of the Nailer contacts a surface. This Nailer is not
suited for single shot work.  Vibration and bouncing and delayed finger pressure will
commonly result in the unit double firing.

Testing the Sequential Trip Safety Mechanism (Always test while using scrap material.)

1.  The Nailer should not fire if the nose is not depressed against the workpiece.
2.  Make sure the tool is disconnected from the power supply.
3.  Empty the magazine of nails.
4.  Check that the Trigger (31) and the nose of the tool, moves freely, without sticking.
5.  Connect the air supply to the tool at the Air Inlet (33) and set at the recommended 60-115
PSI, and not over the maximum 130 PSI.
6.  Test the tool by depressing the nose of the tool against the workpiece without pulling the
Trigger (31). 

 The tool must not cycle (fire)

.  If it cycles (fires), stop immediately and take the

tool to an qualified service technician for repair.
7.  Hold the tool away or off of the workpiece.  The nose of the tool should return to its original
position.  Squeeze the Trigger (31).  

The tool should not cycle (fire).  

If it cycles (fires), stop

immediately and take the tool to an authorized service technician.
8.  Depress the nose of the tool against the workpiece and squeeze the Trigger (31).  

The tool

must cycle (fire)

.  If it fails to cycle (fire), take it to an authorized service technician.

1/4” Air Inlet (33)

54461.p65

10/10/03, 2:29 PM

5

Summary of Contents for 54461

Page 1: ...rfreight com For technical questions and replacement parts please call 1 800 444 3353 Model 54461 Copyright c 2003 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork...

Page 2: ...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...

Page 3: ...uard against electric shock Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures 16 Replacement parts and accessories When servicing use only identica...

Page 4: ...regulators and filters are all available at Harbor Freight Tools Warning Disconnect the Nailer from the air compressor whenever loading or servicing After disconnecting the Nailer from the air compres...

Page 5: ...e nose of the tool moves freely without sticking 5 Connect the air supply to the tool at the Air Inlet 33 and set at the recommended 60 115 PSI and not over the maximum 130 PSI 6 Test the tool by depr...

Page 6: ...to open the magazine Remove all of the Brads Snap the Heel Cushion 79 back into place See FIGURE 1 Warning After disconnecting the Nailer from the compressor there could still be enough air pressure...

Page 7: ...usher spring clean bumper and drive channel check fittings replace or lubricate 0 rings replace gasket 6 Problem Nails are jammed in Nailer nose Probable Cause Guide on driver is worn Wrong size or da...

Page 8: ...28 Extension Spring Set 64 Screw 98 Screw 29 Trigger Guide 65 Fixed Backplate 99 Screw 30 Pin Bushing 66 Screw 100 Cylinder Cap Assy 31 Trigger 67 Screw 101 Duster 32 Pin 68 Washer B0300 070 Cylinder...

Page 9: ...32 31 30 29 28 93 92 27 24 26 25 23 22 21 20 19 24 18 17 16 15 36 34 33 38 35 101 37 83 39 40 41 42 43 44 45 46 47 48 49 50 51 57 52 53 54 55 56 94 95 68 97 66 64 65 59 58 62 96 60 61 63 86 98 67 68 6...

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