TM 5-3805-281-24-1
Group 20
Adjustments
ADJUST TRACK SAG
SPECIFICATIONS
Excavator Weight
33 058 kg (72 800 lb)
approximate
Track Sag
340--380 mm (13-3/8--15 in.)
Nut and Valve Assembly-to-Track
147 Nm (108 lb-ft)
Adjuster Cylinder Torque
1. Swing upperstructure to side. Lower boom to raise
track off the ground.
Keep the angle between boom and arm at 90--110
with the round side of bucket on the ground.
CAUTION: Prevent possible injury from
unexpected machine movement. Put blocks or
shop stands under machine frame to support
machine while measuring track sag.
Excavator--Specification
9020
20
Weight..................................................................... 33 058 kg (72 800 lb)
1
approximate
2. Put blocks or shop stands under the machine to
support machine.
3. Slowly turn the track forward for two revolution and
then in reverse for two revolution. Stop the track while
moving in reverse direction so all track sag is at the
bottom.
CED,TX08227,3161
1930MAY981/3
4. Measure track sag (A) at middle track roller from the
bottom of tack frame to the top surface of track shoe.
Track--Specification
Sag ............................................................ 340--380 mm (13-3/8--15 in.)
Continued on next page
CED,TX08227,3161
1930MAY982/3