Question

make sure the vehicle is positioned properly, as described in the vehicle service or jack/lift user manual. when jacking a vehicle, make sure the jack pad is placed under the correct lifting location as specified by the vehicle manufacturer. ensure the vehicle being lifted is not loaded. a heavily loaded vehicle could exceed the jack/lift capacity or change the vehicles center of gravity. before lifting a vehicle to full height, check the stability by gently rocking the vehicle when lifted to about knee height. keep others from standing in front or behind the vehicle when lifting. keep yourself and others from standing underneath the vehicle when lifting. dont lift a vehicle with people in it. make sure the arms of the lift are properly locked after the vehicle is lifted to about knee height. always use a supporting device (jack stand) after the vehicle is lifted. never position your body underneath a vehicle only supported by a jack. dont disable lift safety locks. always wear safety glasses and other protective equipment as required by the workplace. 1 assess each of the following statements concerning the inspection of a hydraulic jacks and lifts. jacks and lifts only require yearly inspections. its ok to disable the lift safety locking device, as long as you are the primary user. remove the jack or lift from service, if theres signs of oil leakage or damaged/faulty components. all jacks leak oil, so just make sure its completely filled before using.

Explanation:

1. Jacks and lifts typically require more frequent inspections than just yearly for safety - so the first statement is false.
2. Disabling lift safety locking devices is extremely dangerous and not okay regardless of who the user is, making the second statement false.
3. If there are signs of oil leakage or damaged/faulty components in jacks or lifts, they should be removed from service to prevent accidents, so the third statement is true.
4. Not all jacks leak oil, and oil leakage is a sign of a problem, so the fourth statement is false.

Answer:

1. False
2. False
3. True
4. False