Hitachi ZAXIS 120-3 class - Page 229

MAINTENANCE
7-38
Table 1. Hoses
Interval (hours) Check Points Abnormalities Remedies
Daily Hose covers
Hose ends
Fittings
Leak (1)
Leak (2)
Leak (3)
Replace
Replace
Retighten or replace
hose or O-ring
Every 250
hours
Hose covers
Hose ends
Hose covers
Hose covers
Hose
Hose
Hose ends and
fittings
Crack (4)
Crack (5)
Exposed reinforcement (6)
Blister (7)
Bend (8)
Collapse (9)
Deformation or
corrosion (10)
Replace
Replace
Replace
Replace
Replace
Replace
(Use proper bend
radius)
Replace
NOTE: Refer to the illustrations in Fig.1 for each check point location or for a description of the
abnormality. Use genuine Hitachi parts.
Fig. 1
M137-07-008
3 2
3
2
1
M115-07-145
3 2
3
2
1
M115-07-146
5
4
M115-07-147
6
7
M115-07-148
8
M115-07-149
9
10