Final Inspection - Hitachi ZAXIS 450LC-3 Operator's Manual

FINAL INSPECTION

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WARNING:
• Air may be trapped in the hydraulic circuit after
assembling. Avoid excessively quick operation to
prevent the hydraulic components from damage.
• Bleed the air trapped in the hydraulic circuit by
operating each cylinder several times. (Refer
to the page for "Change Hydraulic Oil" in the
maintenance section.)
1. Check that no oil leaks from each cylinder, piping, and
hose, and that all bolts are securely tightened.
2. Check that the following pin locks are securely tightened.
• Boom foot pin
• Boom cylinder rod and bottom pins
• Boom and arm joint pin
• Arm cylinder rod pin
• Bucket cylinder rod pin
• Bucket and link joint pins
3. Check hydraulic oil level in the hydraulic oil tank.
(Refer to the page for "Check Hydraulic Oil Level" in the
maintenance section.)
4. Check track sag. (Refer to the page for "Check Track Sag"
in the maintenance section.)
5. Check that all equipment is correctly functioning.
If any abnormality is found, contact your authorized
Hitachi dealer.
ASSEMBLING
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