MAINTENANCE
7-39
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
Table 3. Oil cooler
Interval (hours)
Check Points
Abnormalities
Remedies
Every 250 hours
Contact surfaces of
flange joints
Oil cooler
Coupling and
rubber hose
Leak (14)
Leak (15)
Leak (16)
Replace
O-ring
and/or
retighten bolts
Replace
Retighten or
replace
NOTE: Refer to the illustrations in Fig.3 for each check point location.
Fig. 2
M137-07-001
13
12
11
M137-07-007
13
12
Fig. 3
M1U1-07-051
14
15
16
Summary of Contents for ZAXIS 120-3 class
Page 1: ......
Page 3: ......
Page 5: ......
Page 49: ...SAFETY SIGNS Europe Asia Middle and Near East Model Only S 38 MEMO ...
Page 131: ...BREAK IN 2 MEMO ...
Page 191: ...TRANSPORTING 6 MEMO ...
Page 290: ...HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT 8 HYDRAULIC CIRCUIT M1V1 08 001 ...
Page 292: ...8 ELECTRICAL DIAGRAM ...
Page 293: ...HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT 8 MEMO ...
Page 295: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 MEMO ...
Page 351: ...SPECIFICATIONS 12 42 MEMO ...
Page 455: ...OPTIONAL ATTACHMENTS AND DEVICES 13 104 MEMO ...
Page 461: ...INDEX 14 MEMO ...