TM 5-3805-280-24-1
Operational Checkout Procedure
Move machine to position shown for each test.
YES: Go to next check.
Record cycle time for each function.
NO: Check engine speed.
Check hydraulic pump
Boom Up--Specification
flow. Go to Group
9010-20 and 9025-25.
9005
Cycle Time ................................................... 3.1 0.3 sec
10
18
Boom Down--Specification
T7884AE
UN10NOV92
Arm, Bucket, Swing,
Cycle Time ................................................... 2.5 0.3 sec
Propel
Arm In--Specification
Cycle Time ................................................... 3.9 0.3 sec
Arm Out--Specification
Cycle Time ................................................... 2.6 0.3 sec
Bucket Load--Specification
Cycle Time ................................................... 4.1 0.3 sec
Bucket Dump--Specification
Cycle Time ................................................... 2.5 0.3 sec
Swing 3 Revolutions From a Running Start--Check
Time Left and Right--Specification
Cycle Time ................................................. 14.4 1.0 sec
Fast Speed Propel 20 m (65 ft) From a Running
Start--Check Time Forward and Reverse--
Specification
Cycle Time ................................................. 13.4 1.0 sec
Slow Speed Propel 20 m (65 ft) From a Running
Start--Check Forward and Reverse--Specification
Cycle Time ................................................. 20.6 2.0 sec
Does machine perform within specifications?
2/2
2-18
