Kohler K91 Owner's Manual page 308

1.
The first step in problem solving is to:
A. Study the available information
B. List the possible causes
C. Inspect the machine
D. Ask the operator
E. Operate the machine to verify the problem
2.
Oil which looks milky is most likely contaminated with:
A. Milk
8.
Dirt
C. Water
D. Transmission fluid
E. Nothing
3.
An indicator of an overheated hydraulic system is:
A. Burnt smelling fluid
B. Oil loss in the system
C. Loss of power as the system warms
D. Air bubbles in the reservoir
E. Black colored oil
4.
When testing the possible causes of a hydraulic system problem, always test the possibilities
first.
5.
When using a load valve during testing, as flow is restricted, a higher is simulated.
6.
The test equipment used in your shop should be capable of handling the generated by the
largest hydraulic system you will need to test.
Productivity Series 32