A baler that looks switched off is not always safe. Hydraulic rams hold pressure, shredder rotors coast, and a compactor ram can shift the moment stored energy is released. That gap between "powered down" and "actually safe" is where serious injuries happen, usually while someone is clearing a jam or reaching in for quick maintenance. Lockout/tagout procedures close that gap.
What Is Lockout/Tagout?
Lockout/tagout, often shortened to LOTO, is the practice of fully isolating a machine from its energy sources before anyone services it. A lock physically holds the energy-isolating device in the off position, and a tag warns others not to re-energize the machine. It is governed by OSHA's Control of Hazardous Energy standard (29 CFR 1910.147), and it applies to electrical, hydraulic, pneumatic, and mechanical energy alike. On recycling equipment, all four are usually in play at once.
If you have ever wondered what lockout tagout really is beyond the acronym, that is the heart of it: a controlled, verifiable way to keep a machine off while someone works on it. It is not paperwork for its own sake, either. Control of hazardous energy sits among the most frequently cited OSHA standards year after year, and the violations often trace back to servicing a machine that was never fully de-energized.
Why Balers, Compactors, and Shredders Demand It
These machines store energy even at rest, which is exactly what makes them dangerous during service:
- Balers and compactors hold hydraulic pressure, so a ram can move after the power is cut
- Shredder rotors carry momentum and keep turning after shutdown
- Jam clearing is the highest-risk task, and it is tempting to reach in without full isolation
The one workaround you never take is bypassing a safety interlock or gate to save a few minutes. Those guards exist because the energy inside these machines does not forgive shortcuts. Proper lockout is what makes the equipment truly safe to work on, and following lockout tagout procedures every time is what keeps a routine jam from turning into an amputation or worse.
The Core Lockout/Tagout Steps
OSHA lays out a consistent sequence that authorized, trained personnel follow before any service work begins:
- Prepare. Identify every energy source feeding the machine and the correct isolation point for each.
- Shut Down. Stop the equipment using its normal controls.
- Isolate. Disconnect or close each energy-isolating device.
- Lock and Tag. Apply a personal lock and tag at every isolation point.
- Release Stored Energy. Bleed hydraulic pressure, let rotors stop, and discharge any residual energy.
- Verify Zero Energy. Confirm the machine cannot start before anyone reaches inside.
The details differ by machine, so these steps only work when they are written into equipment-specific procedures and followed by people trained to do them.
What a Lockout/Tagout Program Needs
A single locked breaker is not a program. A defensible one includes written energy-control procedures for each machine, a lockout tagout kit stocked with padlocks, tags, hasps, and device-specific lockouts, documented training for authorized and affected employees, and periodic audits to confirm the procedures still match the equipment. Good operator training reinforces the same habits on the production side, long before a technician ever needs to lock out a machine. It also helps to review those procedures whenever you add equipment, change a process, or bring on a new crew, since a program that no longer matches the machines on your floor offers a false sense of protection.
Where Lockout/Tagout Meets Professional Service
LOTO and professional service go hand in hand. The repairs, refurbishments, and jam-related work that trigger lockout are exactly the tasks best handled by trained technicians rather than improvised on the floor. Crigler Enterprises has spent more than 50 years servicing balers, compactors, and shredders across the Southeast, and our repair and maintenance team performs that work to the safety standards these machines require. Refurbishment can also bring worn guards and interlocks back to spec, and PLC and controls upgrades can add clearer shutdown logic to older equipment.
Keep Your Team Safe Around Your Equipment
Worried an aging baler, compactor, or shredder is overdue for service, or that its guards and controls are past their prime? Do not send someone in to find out the hard way. Call us today to schedule your professional service, or contact our maintenance and refurbishment team to restore your equipment to safe, reliable operation. For more on safe operation, see our baler safety tips.