Safety
Electrical Lockout Procedures
2
2-11 WM doc 4/15/21 Safety
LOCKOUT PROCEDURES MUST BE USED DURING:
MAINTENANCE HAZARDS INCLUDE:
FAILURE TO LOCKOUT MAY RESULT IN:
TO CONTROL MAINTENANCE DANGERS:
Lockout procedures must be followed (see OSHA regulation 1910.147).
Never rely on machine stop control for maintenance safety (emergency stops, on/off but-
tons, interlocks).
Do not reach into moving blades or feed systems. Allow all coasting parts to come to a
complete stop.
Electrical power supply and air supply must both be locked out.
Where established lockout procedures cannot be used (electrical troubleshooting or
mechanical dynamic troubleshooting), alternative effective protective techniques shall be
employed which may require special skills and planning.
Always follow safe operations practices in the workplace.
SAWMILL LOCKOUT PROCEDURE
Lockout procedures per OSHA regulation 1910.147, appendix A:
GENERAL
The following simple lockout procedure is provided to assist owner/operators in developing their
procedures so they meet the requirements of OSHA regulation 1910.147. When the energy iso
-
lating devices are not lockable, tagout may be used, provided the owner/operator complies with
the provisions of the standard which require additional training and more rigorous periodic
inspections. When tagout is used and the energy isolating devices are lockable, the owner/oper
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ator must provide full operator protection (see OSHA regulation 1910.147, paragraph (c)(3)) and
additional training and more rigorous periodic inspections are required. For more complex sys
-
tems, more comprehensive procedures may need to be developed, documented, and utilized.
PURPOSE
Changing or adjusting blades Electrical maintenance
Unjamming operations Retrieval of tools/parts from work area
Cleaning Activities where guards or electrical panel guard is open or removed
Mechanical repair
Table 1:
Blade contact Missiles (thrown blades/wood chips)
Pinch points Electrical
Kickbacks
Table 2:
Cut Serious injury and death
Crush Amputation
Blindness Burn
Puncture Shock
Electrocution
Table 3:
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