Swing Bearing - Hitachi ZX27U-2 Operator's Manual

Swing Bearing --- every 250 hours
WARNING: Before lubricating the swing bearing,
lower the bucket and the blade to the ground,
stop the engine, and place the pilot control
shut-off lever to the LOCK position. Lubrication
and rotation of the upperstructure must be done
by one person only. Be sure to check that no per-
sonnel are present around the machine before
starting to work.
Grease via grease fitting (1).
1. Lower the bucket and the blade to the ground, stop
the engine, and place the pilot control shut-off lever
to the LOCK position. Add grease with a grease
gun by two to three strokes. Lower the bucket and
blade to the ground.
2. Raise the bucket approx. 200 mm (8 in) above the
ground. While rotating the upperstructure, add
grease in 8 places at approximately every 90° in-
terval until the upperstructure is made two turns .
MAINTENANCE
7-15
1
M1M7-07-025