An Equiptment Maintenance worksheet is a log to keep track of your equiptment. It is used to show when preventitive maintenance is done and needs done to keep equiptment running smooth
If a PC is running slowly or not running at all, PC maintenance will be done to bring it up to speed
You should follow your maintenance reminder or maintenance schedule in your manual. So it depends.
Depending on the size of the tank you have, a saltwater aquarium, once running can take a weekly maintenance. Once the environment has had time to settle and create everything it needs, maintenance should be done every 2 weeks.
non routine maintenance may be needed if you see your system is running slow like a virus scan or if you can tell if something is wrong, then defrag. Non routine maintenance isn't scheduled unline routined maintenance which is done on a regular basis
as long as you follow maintenance schedule and car is running without issues it may never need any engine work. if you have issues with it you should probably have it checked out.
Generally there is a maintenance schedule with what is to be done, when to be done, who to do in any good standard industry. Maintenance crew generally follow the schedule.
scarap the car buy a new one
Means the vehicle needs an oil change or other maintenance. Newer models also show a code like "B16" which will indicate what maintenance is needed. There are instructions in the manual on how to clear the light. However, you should do the maintenance yourself or have it done at a shop as soon as you can.
Aircraft service and maintenance is done in a Hangar. It is the resting place for a plane. It can also be done in an open field.
normally about 6 hours, but that maintenance is done
The most important maintenance of a sump pump is to remove any dirt, particles, or debris that collects within the pump. This should be done regularly to prevent problems.