TM 5-3805-281-24-1
Tests
If laptop computer is not available, use the digital
pressure, temperature analyzer, and transducer, or a
gauge.
a. Stop the engine.
b. Loosen vent plug (K) to release the air pressure in
hydraulic oil tank.
c. Install adapter (C) and male quick coupler to test
port on rear pump (A). Connect the analyzer and
transducer or a gauge.
4. Raise and lower boom to pressurize hydraulic oil tank.
5. Heat hydraulic oil to the specified temperature. (See
Hydraulic System Warm-Up Procedure in this group.)
Hydraulic Oil--Specification
Temperature ........................................................... 50 5C (120 10F)
6. Run machine at specifications.
Engine--Specification
Speed ..................................................................... 1200 rpm approximate
9025
Work Mode Selector--Specification
25
86
Position ........................................................................................ Dig Mode
E Mode Switch--Specification
Position .................................................................................................. Off
HP Mode Switch--Specification
Position .................................................................................................. Off
A--Rear Pump
Auto-Idle Switch--Specification
B--Front Pump
C--TH108328 Adapter (2 used)
Position .................................................................................................. Off
K--Vent Plug
7. Operate the swing function at stall. To stall swing
function, put bucket against an immovable object or in
a trench then actuate the control lever to full stroke.
8. Record the pressure reading.
Continued on next page
CED,TX08227,3036
1923MAR983/5
6-233
