TM 5-3805-280-24-1
Tests
4. Position arm cylinder so rod is extended the specified
length from the retracted position.
Arm Cylinder--Specification
Length......................................................... 50 mm (2.00 in.) approximate
extension
5. Position bucket cylinder so rod is retracted the
specified length from the extended position.
Bucket Cylinder--Specification
Length......................................................... 50 mm (2.00 in.) approximate
retraction
6. Position the boom cylinders so bucket pivot pin is at
the same height as the boom-to-main frame pin.
Boom Cylinder--Specification
Height ........................................................... Bucket pivot pin at the same
height as boom-to-main frame pin
7. Stop the engine.
Engine--Specification
Speed .................................................................................................... Off
9025
25
8. After 5 minutes, measure the amount of movement for
128
boom, arm and bucket cylinders and from bottom of
bucket to the ground.
Arm Cylinder--Specification
Drift ................................................................ 20 mm (13/16 in.) maximum
allowable for 5 minutes
Bucket Cylinder--Specification
Drift ................................................................ 20 mm (13/16 in.) maximum
allowable for 5 minutes
Boom Cylinder--Specification
Drift ................................................................ 20 mm (13/16 in.) maximum
allowable for 5 minutes
Bottom of Bucket to Ground--Specification
Drift ..................................................................... 150 mm (6 in.) maximum
allowable for 5 minutes
TX,9025,GG2665
1909MAY973/3
6-259