Exercise 1. Mark the correct alternatives.

Why do you use grease?
1. To avoid surface contact in e.g. bearings
2. To prevent water from entering bushings.
3. It puts away dirt and debris in the bearings
A damaged piston bearing cannot cause metal fragments flying around in the hydraulic system.
1. True
2. False
All lubrication points normally have the same lubrication needs.
1. True
2. False
Blocked grease nipples must be exchanged immediately.
1. True
2. False
It is of no importance to give extra support to a new machine operator as he should know how to lubricate a machine.
1. True
2. False
It is important to clean the nipples before pressing grease into them.
1. True
2. False
Concerning lubrication which of the following statements are correct:
1. All machines normally have the same lubrication manuals.
2. Different kinds of bearings require different kinds of grease.
3. It is important to give each lubrication point the correct amount of grease.
4. Nowadays is not important to store grease in a warm place during wintertime.
When lubricating you should always check the pivots of the loader.
1. True
2. False
The delimbing knives must not be particularly sharp as today's harvesters have powerful feeding equipment.
1. True
2. False
All machine manuals have weekly maintenance recommendations.
1. True
2. False