Hitachi ZW310 - Page 250

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7-50
Table 2. Lines
Interval(hours) Check Points Abnormalities Remedies
Daily Contact surfaces of
flange joints
Welded surfaces on
joints
Leak (11)
Leak (12)
Replace
O-ring
and/or
retighten bolts
Replace
Every 250
hours
Joint neck
Welded surfaces
on joints
Clamps
Crack (13)
Crack (12)
Missing
Deformation
Loose
Replace
Replace
Replace
Replace
Retighten
NOTE: Refer to the illustrations in Fig.2 for each check point location or for a description of
the abnormality. Use genuine Hitachi parts.
M4GB-07-059
M4GB-07-060
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Fig.2
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