OILDYNE TRIM PUMP SERVICE MANUAL NUMBER 28
Page 5A-14 90-863160 MAY 2000
6. Stop pumping OUT/UP. Pressure should not fall below 1900 psi (13104 kPa). Reading
below 1900 psi (13105 kPa) indicates a trim cylinder leak. Use the following steps to lo-
cate the faulty cylinder.
NOTE: If the gauge is connected at the pump, reconnect the gauge at the gimbal housing
hydraulic connector. Repeat step 3, then run the pump in the OUT/UP direction until the trim
cylinder is fully extended.
Close the valve on the test
Replace
cylinder on
gauge an repeat Steps 4
and 5.
Reading OK
same side of
test gauge
connection.
Reading NOT OK
Replace cylinder on
opposite side of test gauge
connection.
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