Tool Disassembly and

Assembly

WARNING: ALWAYS unload a powder actuated tool before disassembling, replacing barrel, cleaning, or assembling.

TOOL DISASSEMBLY

A. REMOVING BARREL ASSEMBLY

1.Using screwdriver, lift end of annular spring and rotate spring until stop is un- covered (see Figure 1).

Annular Spring

Stop

Figure 1 - Rotating Annular Spring to Uncover Stop

2.Push stop towards rear of tool and remove (see Figure 2).

Stop

Stop

Figure 2 - Removing Stop

3.Pull barrel assembly out of liner in tool body.

4.Remove shear clip from barrel assembly (see item 19, page 17, for shear clip location).

5.Separate base plate from piston sleeve (see Figure 3).

Piston Sleeve

Base Plate

Figure 3 - Separating Base Plate From Piston Sleeve

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Image 18
Remington 498 Tool Disassembly Assembly, Removing Barrel Assembly, Push stop towards rear of tool and remove see Figure