TM 5-3805-281-24-1
Operational Checkout Procedure
9005
10
YES: Go to next check.
19
NO: Check engine speed.
Check hydraulic pump
flow. Go to Group
9010-20 and 9025-25.
T6477AQ
UN19OCT88
T7884AE UN10NOV92
Boom Position
Arm, Bucket, Swing,
Propel Position
Move machine to position shown for each test. Record cycle time for each function.
Does machine perform within specifications?
Boom Up--Specification
Cycle Time ................................................................................................... 3.1 0.3 sec
Boom Down--Specification
Cycle Time ................................................................................................... 2.8 0.3 sec
Arm In--Specification
Cycle Time ................................................................................................... 3.9 0.3 sec
Arm Out--Specification
Cycle Time ................................................................................................... 3.3 0.3 sec
Bucket Load--Specification
Cycle Time ................................................................................................... 4.6 0.3 sec
Bucket Dump--Specification
Cycle Time ................................................................................................... 2.7 0.3 sec
Swing 3 Revolutions From a Running Start--Check Time Left and Right--
Specification
Cycle Time ................................................................................................. 16.5 1.0 sec
Fast Speed Propel 20 m (65 ft) From a Running Start--Check Time Forward and
Reverse--Specification
Cycle Time ................................................................................................. 13.1 1.0 sec
Slow Speed Propel 20 m (65 ft) From a Running Start--Check Forward and
Reverse--Specification
Cycle Time ................................................................................................. 20.0 2.0 sec
Slow Speed Propel With Track Raised Three Revolutions From A Running
Start--Check Forward and Reverse--Specification
Cycle Time ................................................................................................. 33.0 2.0 sec
2/2
2-19
