Change Gear Oil; Clean Breather - Hitachi EX 3600-6 Operator's Manual

Change Gear Oil --- every 1000 hours
(first time after 50 hours)
1. Swing the machine until oil is warm to drain com-
pletely. DO NOT swing the machine until oil is hot.
2. Park the machine on a level surface.
3. Lower the bucket to the ground.
4. Turn the auto-idle switch off.
IMPORTANT: The turbocharger may be damaged if the
engine is not properly shut down.
5. Run the engine at slow idle speed without load for
five minutes.
6. Stop the engine. Remove the key from the key switch.
7. Pull the pilot control shut-off lever to the LOCK
position.
WARNING: Gear oil may be hot just after
operation. Be sure to wait for gear oil to cool
before starting work.
8. Prepare a container of 75 L (20 US gal) or more ca-
pacity for the drain oil.
9. Remove drain plug (3) and loosen drain cock (2) to
drain oil.
10. Check if foreign material like metal particles are in-
cluded in the drain oil by filtering it with a clean cloth
11. Tighten drain cock (2) and drain plug (3).
12. Remove oil supply plug (4) and fill with 75 L (20 US
gal) oil. Be sure to use only recommended oil (see
Recommended Gear Oil Chart).
13. Confirm that the oil level is between the top and notch
on dipstick (1). Start the engine and swing the ma-
chine at slow speed for about 5 minutes. Stop the
engine.
Ten to twenty minutes later, check oil level again and
add oil if necessary.
Clean Breather --- every 1000 hours
1. Remove plug (4) cap and clean the element.
NOTE: Oil can be refilled from the ground using the
Fast-Filling panel located in the rear of the base
machine. Refer to page 1-38 for the Fast-Filling
panel operation.
MAINTENANCE
7-48
2
3
4
Front Side
Control Valve
Rear Side
3
M146-07-029
M146-07-030
4
4
M18M-07-043
4
M146-07-028