Hitachi ZAXIS 130-6N Operator's Manual page 321

Interval
Check Points
(hours)
Every 250 Hose covers
hours
Hose ends
Hose covers
Hose covers
Hose
Hose ends and
Fittings
Lines
Interval
Check Points
(hours)
Daily Contact surfaces of
flange joints
Bolts
Welded surfaces on
flange joints
Every 250 Flange joint neck
hours
Welded surfaces on
flange joints
Clamps
Hose and Lines
Interval
Check Points
(hours)
Daily Flexible master
Check coupling
Constant torque
clamp
Oil Cooler
Interval
Check Points
(hours)
Every 250 Oil Cooler
hours
MAINTENANCE
Abnormalities
Damage or leak (4)
Damage or leak (5)
Exposed reinforcement (6)
Crack or blister (7)
Bend (8), Collapse (9)
Deformation or corrosion (10)
Abnormalities
Leak (11)
Loose or leak (11)
Leak (12)
Crack (13)
Crack (12)
Missing or
deformation Loose
bolts
Abnormalities
Leak (14)
Leak (15)
Abnormalities
Leak (16)
Remedies
Replace
Replace
Replace
Replace
Replace
Replace
Remedies
Replace
Retighten or
replace O-ring
Replace
Replace
Replace
Replace or
retighten
Remedies
Replace or
retighten
Replace or
retighten
15
Remedies
Replace
7-55
4
5
M115-07-146
8
M115-07-148
12
13
13
11
M137-07-001
14
7
6
M115-07-147
9
10
M115-07-149
12
M137-07-007
MDCD-07-044
MDC1-07-050
16
M1U1-07-051