511 EM 385-1-1 Chapters 9-15

Sections

13-8. General Requirements.

Power-Driven Nailers and Staplers

Nailers must be equipped with a safety device on the muzzle to ensure fasteners are only ejected when in contact with the work surface.
Operate nailers in a safe manner, minimizing risks such as ricochets and air-firing, and ensure only one nail is ejected per trigger pull unless specifically allowed by the manufacturer for certain materials.
Always disconnect the nailer from the power source before clearing jams or performing maintenance.

Jacks - Lever and Ratchet, Screw, and Hydraulic

Clearly mark each jack with the manufacturer's rated capacity and ensure it's not exceeded.
Ensure all jacks have a positive stop to prevent over-travel and immediately secure the load after raising it.
Do not use jacks that are out of order; instead, tag them and wait for repairs before reuse.

13-9. Figures and Tables.

Not Applicable.

13-10. Checklists and Forms.

Not Applicable.

Knowledge Check Choose the best answer for the question.

13-8. What should be done prior to clearing nailer jams or performing maintenance?

Disconnect the nailer from the power source

Deactivate the auto nailer mode

Contact the KO for approval

Remove the trigger system

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EM 385-1-1 Paragraph 13-8 (k.–l.).

13-3. General Requirements (k.–l.).

k.  Power-Driven Nailers and Staplers.  This subparagraph applies to hand-held electric, combustion, or pneumatically driven nailers, staplers, and other similar equipment (referred to as “nailers” in this subparagraph ) which operate by ejecting a fastener into the material to be fastened when a trigger, lever, or other manual device is actuated.  This does not apply to common spring-loaded “staple guns”.  (13-8.k)

(1)  Nailers must have a safety device on the muzzle to prevent the tool from ejecting fasteners unless the muzzle is in contact with the work surface.  Do not secure the contact trip device or trigger in an “on” position.

(2)  Operate nailers in a way that minimizes the danger to others and the operator from ricochets, air-firing, and firing through materials being fastened.

(a)  Except when used for attaching sheet goods (for example, sheathing, sub- flooring, plywood) or roofing products, only operate nailers with a sequential trigger system that requires that the surface contact trip device be depressed before the firing trigger can be activated and that limits ejection to one nail per trigger pull before resetting.

(b)  When used for sheet goods and roofing materials, nailers may be operated in the contact trip mode (that is, bump or bounce-nailing) only as allowed by the manufacturer.  This mode may only be used when the operator has secure footing, such as on a work platform, floor, or deck, and may not be used when the operator is on a ladder, beam, or similar situations where the operator’s balance or reach may be unstable.

(3)  When clearing a nail jam or performing maintenance on the nailer, disconnect the power source (for example, air hose, plug, battery).

l.  Jacks - Lever and Ratchet, Screw, and Hydraulic.  (13-8.l)

(1)  Legibly mark the manufacturer’s rated capacity on all jacks and do not exceed.

(2)  All jacks must have a positive stop to prevent over-travel.

(3)  After the load has been raised, immediately crib, block, or otherwise secure.

(4)  Tag jacks which are out of order and do not use until repairs are made.

(5)  For additional requirement specific to jacks, see 29 CFR 1926.305 (29 CFR 1926 Subpart I).