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Page 7

SKU 54461

Note:  

Have the following problems repaired by a qualified service technician.

1.  Problem

:  Air leaking at trigger valve area.

Probable Cause

:  Damaged 0-rings in trigger valve housing.

Solution:

  Replace 0-rings.  Then re-check contact safety trip mechanism.

2.  Problem:

  Air leaking  between housing and nose.

Probable Cause:

  Loose screws in housing, damaged 0-rings or bumper.

Solution:

  Tighten screws or replace 0-rings or bumper.

3.  Problem:

  Air leaking between housing and cap.

Probable Cause:

 Loose screws or damaged gasket.

Solution:

  Tighten Screws or replace gasket.

4.  Problem:  

Runs slowly or has power loss.

Probable Cause:  

Nailer insufficiently oiled, broken spring in cylinder cap, exhaust part in cap

is blocked.

Solution:

  Lubricate moving parts (Magazine, Nose, and Trigger assemblies), install new

spring, Replace damaged internal parts.

5.  Problem:  

Nailer skips driving nails.

Probable Cause:

  Worn or dirty bumper, damaged pusher spring, inadequate air flow, worn

or dry 0-ring on piston, damaged 0-ring on trigger valve, cap gasket leaking.

Solution:

  Replace bumper or pusher 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 damaged Brads, loose magazine

or nose screws, damaged driver.

Solution:  

Replace guide, use recommended, undamaged Brads, tighten screws, replace

driver.

7.  Problem:  

Nail will not drive down tight.

Probable Cause:

  Insufficient air pressure, rounded driver blade causing slippage, power

loss, slow cycling and power loss.

Solution:  

Adjust air pressure, replace blade, check spring under cap for broken coils or

reduce length, check if cap in exhaust port is restricted.

8.  Problem:  

Driving Brad too deeply.

Probable Cause:  

Worn bumper or piston spacer.

Solution:  

Replace either or both parts.

Warning!  Disconnect the Nailer from the air compressor whenever loading or
servicing.  After disconnecting the Nailer from the air compressor, there could still be
enough air pressure to fire the Nailer.  Always fire the trigger repeatedly to make sure
all of the air is expended.

Warning! 

 If you detect any air leaks, power loss, the Nailer skips driving, drives too deep, or

not deep enough, take the Nailer to a qualified service technician for repair.

Troubleshooting

54461.p65

10/10/03, 2:29 PM

7

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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