Exercise 1. Read the sentences and mark the correct alternative/ alternatives.

For how many hours can one expect a well taken care of machine to work properly?
1. 3000
2. 8000
3. 15000
4. over 20000
Most forest machines need proper maintenance.
1. True
2. False
Who is normally responsible for daily maintenance tasks?
1. A certified mechanic.
2. The director of the company.
3. The machine operator/ operators.
The machine operator must perform the following maintenance tasks:
1. Repair broken gears.
2. Carry out daily checks and measures.
3. Continuously observe the machine's functions.
4. Take care of greasing and other routine maintenance.
5. Change hydraulic hoses if needed.
If the machine is operated by several operators normally only one is responsible for the proper care of the machine.
1. True
2. False
Before starting a shift the operator should do the following:
1. Check the coolant level.
2. Check if there is any fish in the stream.
3. Check the engine oil level.
4. If necessary fill hydraulic oil to the correct level.
It is not particularly important to be able to describe how a machine differs from its normal behavior.
1. True
2. False
It is of the utmost importance to teach new operators proper machine maintenance.
1. True
2. False
It is important to make the right decision if the operator suspects some malfunction of the machine.
1. True
2. False
Normally environmental tracks should hang down 150 mm if they have the correct tension.
1. True
2. False