IMPORTANT: A missing, damaged, or hardened dust
unloader valve will make the dust cup
precleaner ineffective, causing very
short element life. Valve should suck
closed above 1/3 engine speed.
Squeeze dust valve (A) to remove dust from the air
If operating in high dust conditions, squeeze dust valve
every couple of hours of operation to release dust.
CHECK TRACK SAG
1. Swing upperstructure 90° and lower bucket to raise
track off ground.
2. Keep the angle (A) between boom and arm 90--110°
and position the bucket's round side on the ground.
CAUTION: Prevent possible injury from
unexpected machine movement. Place blocks
under machine frame to support machine while
measuring track sag.
3. Place blocks under machine frame to support machine.
4. Rotate track forward two full rotations and then in
reverse two full rotations.
Continued on next page