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Troubleshooting Guide
PROBLEM | POSSIBLE CAUSE | REMEDY |
Piston hangs out | Tool overdriven. | Tap piston on hard surface |
of muzzle. |
| until piston is pushed back |
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| into the guide. (See “Over- |
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| driven Fastener” below) |
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| Piston not properly as- | Remove barrel assembly |
| sembled in relation to barrel | (see pages |
| stop. | all damaged or missing parts. |
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| Broken piston or piston ring. | Replace piston or piston ring |
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| or take tool to your distributor. |
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Overdriven fastener. | Excessive power. | Change either to next lower |
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| power load or next longer |
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| length fastener. |
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Piston jammed. | Overdriving of fastener (see | Remove barrel assembly |
| above). | (see pages |
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| other parts if damaged. |
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Power load strip will | Advance bar or spring dam- | Replace advance bar or |
not advance. | aged | springs. |
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| Tool dirty. | Clean tool. Notice: Do not |
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| attempt to clean power load |
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| strip channel with wire brush. |
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| You may damage tool. |
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Reduction or loss | Piston not returning to full | Barrel must be opened to the |
of power. | rear position. | full extended position to |
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| properly position piston. |
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| Worn piston ring or broken | Replace piston and/or piston |
| piston. | ring or take tool to your dis- |
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| tributor. |
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Tool does not | Misassembled or damaged | Remove sear holder and |
completely depress. | sear holder and firing pin | check all parts for correct fit |
| parts. | assembly. |
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Tool does not fire. | Failure of tool to depress | See data listed under “Tool |
| completely. | does not completely de- |
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| press,” above. |
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| Piston not fully reset. | Fully reset piston. See step 1 |
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| under OPERATION, page |
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| 14. |
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Tool does not fire. | Dirt buildup on sear holder | Check firing pin mark on |
| not allowing proper penetra- | power load. Clean sear |
| tion of firing pin or worn firing | holder, sear and firing pin. |
| pin. | Replace worn or damaged |
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| parts. Notice: Do not attempt |
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| to clean power load strip |
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| channel with wire brush. You |
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| may damage tool. |
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|
Opening and closing | Lack of proper cleaning. | Inspect and clean complete |
of barrel or pushing |
| tool. Replace worn or dam- |
down on |
| aged parts. Notice: Do not |
tool, etc. is not |
| attempt to clean power load |
smooth but is |
| strip channel with wire brush. |
rough or binds. |
| You may damage tool. |
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103500 | 23 |