TM 10-3930-641-34-2
TEE TEST PROCEDURE FOR HYDRAULIC SYSTEM (CONT)
(Sheet 8 of 27)
LOCATION/ITEM
ACTION
REMARKS
NOTE
SYSTEM TEST
These tests must be done in two steps: one
time at 2000 rpm (Chart A) and once at 700
rpm (Chart A-1).
Best test results happen when system oil
temperature is 1450F to 1550F (630C to 690C).
TEST 1
MAXIMUM PRESSURE
RELIEF VALVE SETTING
1.
Manual load valve
Open all the way.
2.
Lift control lever
Put in lower position.
3.
Engine
Run at 2000 (700) rpm.
4.
Manual load valve
Close slowly until oil flow through meter stops.
5.
System pressure
Record. Relief valve maximum pressure must
To change relief valve setting, see TM 10-3930-641-20.
be approximately 3000 psi (2109 kgs/sq.
meter).
Go on to Sheet 9
7-131
