Swing Internal Gear - Hitachi ZAXIS 450LC-3 Operator's Manual

3
Swing Internal Gear --- every 500 hours
d
WARNING: Adding or changing swing internal gear
grease and rotating the upperstructure must be
done by one person. Before you start, clear the area
of all persons.
Each time you leave the cab
• Lower the bucket to the ground.
• Stop the engine.
• Pull the pilot control shut-off lever to the LOCK
position.
• Use handrails.
1. Park the machine on a level surface.
2. Lower the bucket to the ground.
3. Turn the auto-idle switch off.
IMPORTANT: The turbocharger may be damaged if the
engine is not properly shut down.
4. Run the engine at slow idle speed without load for five
minutes.
5. Turn the key switch OFF. Remove the key from the key
switch.
6. Pull the pilot control shut-off lever to the LOCK position.
7. Remove cover (1) on the upper structure .
8. Grease must be to the top of all internal gear teeth of the
swing bearing and be free of contamination by dirt and
water.
Add approximately 0.5 kg (1.1 lb) of grease, if required. If
the grease is contaminated, remove grease and replace
with clean grease.
9. Install cover (1).
10. If grease shows any sign of water or mud, replace all the
grease on the internal gear.
Remove cover (2) from the bottom of the swing gear
housing, located near the center joint.
Grease capacity: 16 to 18 liter (4.2 to 4.8 US gal)
MAINTENANCE
2
7-40
ZX450LC , 650LC
-3 -3
2
ZX850LC
-3
1
M1J1-07-024
M116-07-042
M17V-07-013