108
Twin Disc, Incorporated
Troubleshooting
Power Transmission System Operator’s Manual #1020510
Test 8. Powered Coil Test
Note: Tests 8 and 9
may be used to verify torque converter
and transmission clutch engagement. The engine must
be running to perform these hydraulic tests. The oil well
fracturing rig parking brakes must be applied, by the
operator, during these tests to prevent oil well fracturing
rig movement. Pressure gauges will be required to verify
that each clutch is engaging to its proper value. The
display shall show the identifier of the coil commanded
on.
This test will allow individual transmission or converter clutch valve coils to be
energized at any level for pressure testing. The following list identifies the
selectable menu. The display will flash
DESELECT NEUTRAL
if the selector
is not moved out of the Neutral position when the test is entered.
LOCKUP
=
Converter Lockup Clutch Valve Coil
TranSol1
=
Transmission Range Clutch Valve Coil #1
TranSol2
=
Transmission Range Clutch Valve Coil #2
TranSol3
=
Transmission Range Clutch Valve Coil #3
TranSol4
=
Transmission Range Clutch Valve Coil #4
TranSol5
=
Transmission Range Clutch Valve Coil #5
TranSol6
=
Transmission Range Clutch Valve Coil #6
EXIT TEST
=
Exit to Main Menu
Summary of Contents for TA-90-8501
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