| Part Name | Typical Diagram # | Function | |-----------|------------------|-----------| | Driver blade | 123 (varies) | Strikes nail head; breaks or chips over time | | Contact trip (nose piece) | 108 | Must depress before firing (safety) | | Feed pawl | 81 | Pushes nails into firing position | | O-ring kit (piston/valve) | 65-70 | Seals air; leaks cause misfires | | Piston assembly | 77 | Includes driver and bumper | | Spring (magazine) | 92 | Feeds coil of nails | | Gasket / bumper kit | 88 | Reduces impact shock |
The Bostitch N12 roofing nailer Go to product viewer dialog for this item.
Below is a logical grouping of the nailer’s systems. Use this as a map to identify what you need. bostitch n12 roofing nailer parts diagram
A typical N12 parts diagram is divided into these major sections:
The N12 and N12C share most internal parts; the N12S (stainless steel version) may differ in corrosion-resistant components. | Part Name | Typical Diagram # |
The parts diagram is typically divided into several distinct sections or "assemblies." Understanding these sections helps isolate problems. We will break them down in the order of operation.
| Assembly | Components Included | |----------|---------------------| | | Contact trip, push lever, magazine latch, wear plate, nail guide | | Drive System | Driver blade, piston assembly, piston stop, cylinder | | Magazine & Feed | Coil nail canister, spring, feed pawl, feed piston, rail | | Trigger & Safety | Trigger valve, trigger lever, safety contact arm (bump fire) | | Air Inlet & Cap | Air fitting, O-rings, return air cap, baffle, gasket | | Housing & Fasteners | Main body casting, screws, dowel pins, rubber grip | A typical N12 parts diagram is divided into
: Contains the trigger valve housing (#CN31435), pilot valve (#CN31589), and trigger stem. Magazine & Feed System