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Every day, technicians work beneath refuse collection truck bodies. In most cases, everything goes smoothly. But when something goes wrong—because a body lowers unexpectedly or because a tailgate was not properly secured—the consequences can be serious or even irreversible.
This type of accident is almost always preventable. A strict procedure—the one prescribed by the manufacturer of your equipment—must be followed during every service operation. This article presents the universal principles that must be observed, regardless of the truck model being serviced.
One rule remains essential: never rely solely on the hydraulic system to keep equipment in the raised position.
When a technician must work beneath the body of a refuse collection truck or near an open tailgate, these components represent a considerable mass that could move if they are not properly supported mechanically. Safety during refuse collection truck maintenance depends on mechanically securing the body and tailgate, as well as strictly controlling all energy sources.
The most common risk scenarios are as follows:
The Act respecting occupational health and safety and the associated CNESST regulations require that any work equipment capable of moving be mechanically secured before a worker is exposed to it. This explicitly includes mobile hydraulic equipment such as refuse collection truck bodies.
Failure to comply with this requirement may result in penalties for the employer, but more importantly, it may cause serious injuries to the technician.
Before beginning any body-raising procedure, ensure that the following conditions are met. These prerequisites are common to the vast majority of refuse collection truck manufacturers:
Important : An audible alarm indicating that the body is raised is a warning. It does not confirm that the body is properly supported and secured.
The steps below reflect the best practices generally prescribed by refuse collection truck manufacturers. Always consult the manual specific to your model for exact details, including the controls, prop locations and securing sequence.
DANGER : The body props must be correctly positioned around the cylinder rods before the body is lowered. Incorrect positioning may result in serious injury or death.
The rear tailgate represents a considerable mass and can cause serious injuries if it closes during a service operation. The tailgate support procedure is separate from the body support procedure and must be addressed independently.
DANGER : Never position yourself beneath a tailgate that is moving or that is not mechanically supported. Remain clear throughout the entire tailgate movement.
Caution : Never operate the hydraulic controls to force the tailgate downward against the props. Doing so could damage the supports.
Regardless of the truck model or type of service operation, the following practices must always be prohibited:
A service operation lasting only a few minutes is still a service operation. Its short duration does not reduce the weight of the body or the potential consequences of unexpected movement.
This article presents the general principles of safety procedures for raising and securing refuse collection trucks. However, each model has its own specific features, including the location and type of props, lifting controls, electrical disconnect procedure and designated support points.
Each truck has its own specific features:
Before performing any service operation, always consult the maintenance manual specific to your unit. If you do not have the manual or have questions regarding the correct procedure for your model, contact your dealer or a certified technician.
Properly positioning and securing the body and tailgate is the foundation of every safe service operation performed on a refuse collection truck.
Hydraulic pressure is never a substitute for proper mechanical support.
Taking a few minutes to verify the props, control the energy sources and follow the manufacturer’s procedure can prevent an accident with permanent consequences.
This content presents general prevention principles. It does not replace the manufacturer’s manual, your facility’s procedures or the applicable regulatory requirements.