Hitachi ZAXIS 450LC-3 Operator's Manual page 332

Interval (hours)
Daily
Every 250 hours
f
NOTE: Refer to the illustrations in Fig.2 for each check point location or for a description of
the abnormality. Use genuine Hitachi parts
Interval (hours)
Every 250 hours
f
NOTE: Refer to the illustrations in Fig.3 for each check point location.
Table 2. Lines
Check Points
Contact surfaces of
flange joints
Welded surfaces on
joints
Joint neck
Welded surfaces
on joints
Clamps
Table 3. Oil cooler
Check Points
Contact surfaces of
flange joints
Oil cooler
Coupling and
rubber hose
MAINTENANCE
Abnormalities
Leak (11)
Leak (12)
Crack (13)
Crack (12)
Missing
Deformation
Loose
Abnormalities
Leak (14)
Leak (15)
Leak (16)
7-62
Remedies
Replace
O-ring
and/or
retighten bolts
Replace
Replace
Replace
Replace
Replace
Retighten
14
Remedies
Replace
O-ring
and/or
retighten bolts
16
Replace
Retighten or
15
replace
14
16
16
12
13
11
M137-07-001
12
13
M137-07-007
Fig.2
14
M1J1-07-061
ZX450LC
-3
15
M1J7-07-046
ZX650LC
-3
14
16
14
15
14
M1JB-07-048
ZX850LC
-3
Fig.3