Garage Door safety
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Published by SALUSWhen working with heavy machinery such as excavators, several safety precautions should be observed. Before performing any maintenance or inspections beneath the machine, ensure it is parked on firm, level ground with the attachment lowered, the control lock lever engaged, and the key removed [1]. Securely block the tracks to prevent any movement [1]. If working under a raised machine or equipment, always use wood blocks, jack-stands, or other rigid supports [1]. Never rely solely on hydraulic cylinders for support [1].
When accessing maintenance areas, be aware of access doors and covers. When closing engine hoods, operate the push-button release by hand only, and ensure hands are removed before the hood fully closes to avoid injury 2, 3, 4, 5, 6, 7, 8, 9, 10. Avoid adding pressure to the engine hood when it is open 2, 3, 4, 5, 6, 7, 8, 9, 10.
Regular inspections are crucial. Machines should undergo yearly inspections by qualified inspectors and monthly self-inspections 11, 17, 18. Keep records of all inspections for at least three years [2]. Before starting any inspection or maintenance, carefully read and understand the relevant procedures, use appropriate tools, and wear proper personal protective equipment [2]. Confirm job procedures to prevent accidents [2].
To prevent unauthorized use during maintenance, attach a "DO NOT OPERATE" tag [2]. Ensure the work site is clean and organized to avoid injuries [2]. Be cautious of rotating parts and ensure all guards are in place [3]. If the machine needs to run during maintenance, have an operator at the controls with a clear means of communication between the operator and maintenance personnel 11, 16.
Always operate machinery in well-ventilated areas to avoid carbon monoxide exposure [3]. When connecting, disconnecting, or storing attachments, follow all instructions and secure them to prevent falls [3].
At the end of each shift, park the machine on a level surface, lower the attachment, engage the control lock lever, secure windows, remove the key, and refill the fuel tank 19, 20. Clean and inspect the machine thoroughly, addressing any issues before the next use 19, 20.
Sources used for this answer
[1] Kobelco SK135SR-7, SK140SRLC-7, SK140SRL-7 Operation Manual (Excavators)
Page 67
Open source documentSource excerpt
## ROTATING PARTS Stay clear of all rotating and moving parts. - · Wrapping or entanglement may result in serious injury or death. Keep hands, clothing and tools away from the rotating fan and running fan belts. Never operate machine without guarding in place. - · Do not drop or insert tools and others to the fan and belt. They will be blown away or damaged, resulting in serious personal injury or death. - · Always have an operator at the controls to shut down the machine if the machine needs to be running for maintenance activity or an inspection. The operator and the maintenance personnel must have a means of communication when performing these tasks. ［ <!-- image --> ## VENTILATION PRECAUTIONS Never operate the engine in an enclosed area without adequate ventilation. Engine exhaust contains carbon monoxide. Inspecting and maintaining the machine indoors or in a place with poor ventilation could cause serious injury or death. Adequate ventilation is needed when inspecting, maintaining or running the machine indoors. Fully ventilate the work area, especially when handling fuel, cleaning solvent or paint. If the natural ventilation is poor, install ventilators, fans, exhaust extension pipes or other artificial venting devices. <!-- image --> ## CONNECTING, DISCONNECTING AND STORING ATTACHMENT / EQUIPMENT To prevent serious injury or death: - · Always follow the instructions from your supervisor and the instructions in this manual when connecting or disconnecting the attachment /equipment. - · Secure the attachment /equipment to prevent them from falling over when stored. <!-- image --> 1
[2] Kobelco SK135SR-7, SK140SRLC-7, SK140SRL-7 Operation Manual (Excavators)
Page 68
Open source documentSource excerpt
［ ## SECURELY BLOCK THE MACHINE OR ANY COMPONENT THAT MAY FALL To prevent serious injury or death, always support all the attachment /equipment when performing maintenance or inspecting underneath the machine or any raised attachment /equipment. - · Before performing maintenance or repairs under the machine, park the machine on firm level ground, lower the attachment to the ground, pull the control lock lever and remove the key. - · Securely block the tracks. - · If you must work beneath the raised machine or equipment, always use wood blocks, jack-stands or other rigid and stable supports. Never get under the machine, the attachment /equipment, if they are not sufficiently supported. - This procedure is especially important when working on hydraulic cylinders. <!-- image --> ## LOCK THE ACCESS PANEL To prevent serious injury, always secure the opened door panel with the stay(1) when maintaining the machine. If the door panel is not secure, it could move and you may be injured. ## PREVENT FALLS - · Clean all slippery substances such as grease, oil, hydraulic oil, mud, ice, and others attached to the steps, handrails, crawlers, ladders, and platforms. - · Inspect appearances and mounting portions of the steps, handrails, ladders, and platforms. Replace any damaged parts and tighten any loose bolts or nuts. - · Use the proper personal protective equipment, such as a body harness, if needed. - · Use extreme caution when walking on elevated surfaces to avoid slipping. - · Always use the steps, handrails, ladders and platforms to access locations above the ground level. - · Always face the machine and maintain three points of contact with the steps and handrails. - · Do not use control lock lever or control levers as hand hold. - · Do not have anything in your hands, including tools, when getting on and off the machine. - · Never jump on and off the machine, or attempt to get on and off a moving machine. - · Clean all spills, and store or secure tools in a strong…
[3] Kobelco SK330-10, SK250LC-10 Operation Manual
Page 59
Open source documentSource excerpt
［ ## 1.6 PRECAUTIONS OF INSPECTION & MAINTENANCE ## 1.6.1 PERIODIC INSPECTIONS - · Every year, the machine should be inspected by a qualified inspector or a registered inspection agency. (specific self-inspection) - · The machine should have an inspection seal to document the month and the year of the last inspection. - · Every month inspect the machine for the following: (periodic self-inspection) See chapter 4. "INSPECTION AND MAINTENANCE" for additional information about the monthly inspection & maintenance requirements for your machine. Always keep all maintenance and all inspection records, including both the monthly and the yearly inspections, for the past three (3) years for this machine. ## 1.6.2 BEFORE INSPECTION & MAINTENANCE ## READ OPERATION/MAINTENANCE PROCEDURES CAREFULLY Improper maintenance could cause serious injury (crush or burn) and damage the machine. Read and understand the maintenance procedures (preparation for safe work, proper tools, qualifications, important parts, supervisor designation and wear the appropriate personal protective equipment, etc.) described in the manuals before safely and carefully inspecting and performing maintenance on the machine. ## CONFIRM JOB PROCEDURES To prevent accidents, confirm all work procedures before starting. ## USE A SIGNAL PERSON AND A FLAGMAN Know and use the hand signals required for particular jobs and confirm who has the responsibility for signaling: All personnel must know and understand all the signals. The operator shall respond to signals only from the appointed signal person, but shall obey a stop signal from anyone at any time. The signal person must stand in a clearly visible location when giving the signals. ## ORGANIZE AND CLEAN UP WORK SITE Inspecting and maintaining the machine at a messy working site may cause personal injury. Clear obstacles, grease, oil, paint, debris, etc., from the work site. ## ATTACH A "DO NOT OPERATE" TAG To prevent serious injury o…
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