TEE TEST PROCEDURE FOR HYDRAULIC SYSTEM (CONT)
(Sheet 21 of 27)
BLOCKED CYLINDERS TESTS
If the System Tests and Pump Test give an in-
dication of leakage in the control valves and/or
cylinders that is not acceptable, do the Blocke(
Blocking Plate Assemblies can be put in each
of the cylinder lines. For best accuracy, do
these tests with the oil temperature approxi-
mately 1500F (660C) (near the oil tempera-
ture for the System Tests and Pump Test).
Lower all implements to the ground. Move the
control levers through OPERATE and HOLD
positions to release any pressure oil in the cyl-
inder lines. All pressure in the lines must be
released or injury to personnel and damage to
equipment can result when the lines are
loosened to install or remove the plate assem-
blies. The implements can move and pressure
oil can be released.
Put in HOLD position.
Manual load valve
Open all the way.
Go on to Sheet 22