Service Manual

REVIEW QUESTIONS
28
11: A Hydrostatic Drive pump is:
A: Fixed displacement.
B: Variable displacement.
C: Driven by the wheels.
12: The purpose of the charge
pressure circuit is:
A: Pressurize the hydraulic
filter.
B: Replenish internal oil
leakage in drive circuit.
C: Pressurize transaxle case
to keep dirt out.
D: Keep battery charged
E: Supply pressurized oil to
the rotating group, keeping the
slippers against the swash plate.
F: Both B & E.
G: None of the above.
13: A hydraulic motor converts fluid energy
into rotational movement.
A: True.
B: False.
14: Never use your hands to try and find a
hydraulic oil leak.
A: True.
B: False.
15: F.F.F.T is
A: Fractional Fitting Face Turns
B: Fitting Face Flat Turns
C: Flats From Finger Tight
D: None of the above
16: A properly installed hose will have a 45º
twist in the hose.
A: True
B: False
17: Fitting O-rings should always be
installed dry.
A: True
B: False
18: When checking pump flow:
A: Completely restrict pump flow.
B: Use extreme caution if tester is
ahead of relief valve.
C: Connect tester in series with
the system.
D: Both B & C.
19: Hydraulic test should be conducted
with:
A: The reservoir full of oil.
B: The hydraulic system at normal
operating temperature.
C: The proper size gauges installed.
D: All of the above.
20: The units engine has no effect on
hydraulic tests.
A: True
B: False