Podcast
Questions and Answers
What should be kept on hand to prepare for emergencies?
What should be kept on hand to prepare for emergencies?
- A smartphone and a computer
- A first aid kit and fire extinguisher (correct)
- A toolbox and safety gloves
- Protective clothing and goggles
What is essential to do with a fire extinguisher to ensure it works when needed?
What is essential to do with a fire extinguisher to ensure it works when needed?
- Keep it hidden until an emergency
- Replace it every year
- Use it regularly to become familiar with it
- Check and service it at recommended intervals (correct)
Which of the following pieces of safety equipment is NOT recommended for use during operations?
Which of the following pieces of safety equipment is NOT recommended for use during operations?
- Loose clothing (correct)
- Safety glasses
- Heavy gloves
- Hearing protection
Why should you avoid wearing headphones while operating machinery?
Why should you avoid wearing headphones while operating machinery?
What should you perform on machinery before starting it?
What should you perform on machinery before starting it?
What type of clothing is recommended to avoid while operating equipment?
What type of clothing is recommended to avoid while operating equipment?
What is the purpose of wearing a hearing protective device?
What is the purpose of wearing a hearing protective device?
What should be done with work boots before entering a machine cab?
What should be done with work boots before entering a machine cab?
What is the first step to take before starting the engine of the machine?
What is the first step to take before starting the engine of the machine?
Why should the operator be seated in the operator's seat during engine start?
Why should the operator be seated in the operator's seat during engine start?
What should be done with the cap on a pressurized starting fluid container during storage?
What should be done with the cap on a pressurized starting fluid container during storage?
What is a major risk of jumping starting a machine's engine?
What is a major risk of jumping starting a machine's engine?
What should never be done when starting the machine's engine?
What should never be done when starting the machine's engine?
What is one of the main reasons for keeping riders off the machine?
What is one of the main reasons for keeping riders off the machine?
What type of clothing should be worn while operating the machine?
What type of clothing should be worn while operating the machine?
What is the first step before servicing the machine?
What is the first step before servicing the machine?
Which of the following is advised against when starting the engine after jump starting?
Which of the following is advised against when starting the engine after jump starting?
Which action should never be performed while the machine is moving?
Which action should never be performed while the machine is moving?
Why is it important to relieve the pressure in the hydraulic system before servicing?
Why is it important to relieve the pressure in the hydraulic system before servicing?
What should always be used for cleaning parts?
What should always be used for cleaning parts?
How should the boom and arm be positioned for raising the machine?
How should the boom and arm be positioned for raising the machine?
What should you do if a maintenance procedure must be performed with the engine running?
What should you do if a maintenance procedure must be performed with the engine running?
What should be done with worn or broken parts?
What should be done with worn or broken parts?
Why is it recommended to use a maintenance work light when working under or inside the machine?
Why is it recommended to use a maintenance work light when working under or inside the machine?
What should be done before working on the machine?
What should be done before working on the machine?
What should be kept away from moving parts to prevent injury?
What should be kept away from moving parts to prevent injury?
What safety precaution should be taken when releasing pressure from the air release plug?
What safety precaution should be taken when releasing pressure from the air release plug?
Why is it important to store attachments securely?
Why is it important to store attachments securely?
What is a key consideration when inflating tires?
What is a key consideration when inflating tires?
What equipment is advised for safely inflating tires?
What equipment is advised for safely inflating tires?
What should be inspected daily to enhance safety?
What should be inspected daily to enhance safety?
Why is it dangerous to work under a machine supported by a jack?
Why is it dangerous to work under a machine supported by a jack?
What voltage range indicates a slow idle for the engine control dial?
What voltage range indicates a slow idle for the engine control dial?
During a full stroke, what is the pressure range for the travel pressure sensor?
During a full stroke, what is the pressure range for the travel pressure sensor?
What is the pressure measurement for the pilot shut-off lever in the LOCK position of the boom raise pressure sensor?
What is the pressure measurement for the pilot shut-off lever in the LOCK position of the boom raise pressure sensor?
Which engine speed measurement method is NOT mentioned as a valid option?
Which engine speed measurement method is NOT mentioned as a valid option?
What is the operational pressure range for the pilot shut-off lever when in the UNLOCK position of the pressure sensor for travel?
What is the operational pressure range for the pilot shut-off lever when in the UNLOCK position of the pressure sensor for travel?
What is the indicated resistance for the Travel N Sensor at 20 °C?
What is the indicated resistance for the Travel N Sensor at 20 °C?
What outcome occurs if the engine speed is not adjusted correctly during performance testing?
What outcome occurs if the engine speed is not adjusted correctly during performance testing?
What pressure corresponds to the control lever in the neutral position for the boom raise pressure sensor?
What pressure corresponds to the control lever in the neutral position for the boom raise pressure sensor?
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Study Notes
Safety
- Keep emergency numbers posted near the phone for medical and fire emergencies.
- Inspect the machine daily or at the start of each shift.
- Remove dirt and oil from your boots before entering the cab.
- Never incinerate or puncture starting fluid containers.
- Always wear the appropriate safety equipment for the task.
- Start the engine only when seated in the operator's seat.
- Ensure all control levers are in the neutral position before starting the engine.
- Never wear radio or music headphones while operating the machine.
- Wear ear muffs or earplugs to protect against loud noises.
- Always follow the jump start instructions found in the operating manual.
- Never use a frozen battery.
- Never allow riders on the machine.
- Investigate the work site before starting operations.
- Ensure the work area is clean and dry when performing service.
- Never spray water or steam inside the cab.
- Never lubricate or service the machine while it is moving.
- Keep hands, feet, and clothing away from moving parts.
- If a maintenance procedure must be done with the engine running, never leave the machine unattended.
- Park the machine on level ground before servicing it.
- Lower the bucket to the ground before servicing it.
- Turn the auto-idle switch off before servicing.
- Warm up the engine for 5 minutes at slow idle speed.
- Turn the key switch to OFF to stop the engine.
- Relieve pressure in the hydraulic system by moving the control levers repeatedly.
- Remove the key from the switch.
- Attach a "Do Not Operate" tag to the control lever.
- Pull the pilot control shut-off lever to the LOCK position.
- Allow the engine to cool before leaving the machine unattended.
- If the machine must be raised, maintain a 90-100 degree angle between the boom and arm.
- Securely support raised machine elements.
- Ensure all parts are in good condition and properly installed.
- Always use non-flammable detergent oil for cleaning parts.
- Never use fuel oil or gasoline to clean parts.
- Disconnect the battery ground cable before working on electrical systems or welding.
- Always use a work light with a guard when servicing the machine.
- Attach a "Do Not Operate" tag to the control lever before servicing the machine.
- Never attempt to work on the machine without securing it first.
- Lower the attachment to the ground before working on the machine.
- Support the machine securely on stable blocks or props if working on a lifted machine.
- Never use cinder blocks, hollow tires, or props that could crumble under load.
- Never work under a machine solely supported by a jack.
- Keep hands, feet, clothing, jewelry, and hair away from rotating parts.
- Keep body and face away from the AIR RELEASE PLUG to avoid injury from parts flying off.
- Allow GEAR OIL to cool before releasing the pressure on the AIR RELEASE PLUG.
- Secure attachments to prevent them from falling.
- Keep children and bystanders away from storage areas for attachments.
- Only trained professionals and qualified technicians should mount tires.
- Never work on mounting tires without the proper equipment.
- Always maintain the correct tire pressure.
- Use a chip-on chuck and extended hose to inflate tires.
- Stand to one side and not in front or over the tire assembly when inflating it.
- Use a safety cage if available.
- Inspect tires and wheels daily.
Engine Test
- Measure the engine speed using the monitor unit or Dr.ZX.
- Measure the engine speed in each mode.
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