FLOW METER TEE TEST PROCEDURE IX
TM 5-3805-263-14&P-3
NOTE:
B. Leakage in the lock check valve for the tip
If there is too much leakage for Test
cylinders.
40 but, not for Test 41 the problem is
in the setting for the relief valve in the
RECOMMENDATION FOR ACTION:
lock check valve.
Do Blocked Cylinder Test 46 and 47 for the
PROBLEM:
Percent of flow loss for Test 8 and/or
circuit to the tip cylinder. If there is still too much leakage
Test 9 is more than the specification
the problem is in the lock check valve.
percent in the tests but, for Tests 4
through 7 and Tests 10 through 19
PROBLEM:
Percent of flow loss for Tests 14 and
the percent of flow loss is not too
15 is more than the specification
much.
percent in the tests but, for Tests 4
through 13 and Tests 16 through 19
PROBABLE REASON:
the percent of flow loss is not too
much.
A. Leakage in seals on piston in the cylinder for
side shift.
PROBABLE REASON:
B. Leakage in lock check valve for the cylinders for
side shift.
A. Leakage in the seals on the piston in the cylinder
for centershift.
RECOMMENDATION FOR ACTION:
B. Leakage in the lock check valve for the cylinder.
Do Blocked Cylinder Tests 42 and 43 for the
RECOMMENDATION FOR ACTION:
circuit to the cylinder for side shift. If there is still too
much leakage the problem is in the lock check valve.
Do Blocked Cylinder Tests 50 and 51 for the
circuit to the cylinder for centershift. If there is still too
PROBLEM:
Percent of flow loss for Tests 10 and
much leakage the problem is in the lock check valve for
11 is more than the specification
the cylinder.
percent in the tests but, for Tests 4
through 9 and Tests 12 through 19
PROBLEM:
The percent of flow loss for Test 18
the percent of flow loss is not too
and 19 is more than the specification
much.
percent for the test but, for Tests 4
through 17 the percent of flow loss is
PROBABLE REASON:
not too much.
Motor on circle drive is bad.
PROBABLE REASON:
RECOMMENDATION FOR ACTION:
A. Leakage in the seals on the piston in either or
both cylinders for articulation.
Do Blocked Motor (on circle drive) Tests 44 and
B. Leakage in the lock check valve for the
45.
cylinders.
NOTE
Use the blade to lift the front wheels
RECOMMENDATION FOR ACTION:
enough to keep most of the weight of
the machine off of the tires when
Do Blocked Cylinder Tests 54 and 55 and, Tests
doing Tests 44 and 45. This prevents
56 and 57 for the circuit to the articulation cylinders. If
turning of the circle.
the leakage is still too much the problem is in the lock
check valve for the articulation cylinders.
PROBLEM:
Percent of flow loss for Test 12
PROBLEM:
The percent of flow loss in hydraulic
and/or Test 13 is more than the
implement circuits, that are not on
specification percent in the tests but,
the test list, is more than the percents
for Tests 4 through 11 and Tests 14
of flow loss for Tests 4 through 9 and
through 19 the percent of flow loss is
Tests 12 through 19.
not too much.
PROBABLE REASONS:
PROBABLE REASON:
A. Leakage in the seals on the piston in the
A. Leakage in the seals on the piston in the tip
hydraulic cylinder.
cylinder
B. Leakage in the lock check valve for the hydraulic
cylinder.
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