Hitachi ZAXIS 135US-5B Operator's Manual page 321

Hydraulic excavator
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Interval (hours) Check Points
Every 250
Hose covers
hours
Hose ends
Hose covers
Hose covers
Hose
Hose ends
and Fittings
Lines
Interval (hours)
Check Points
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 (hours)
Check Points
Daily Check
Flexible master
coupling
Oil Cooler
Interval (hours)
Check Points
Every 250
Coupling
hours
Oil Cooler
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)
Replace or
retighten
Abnormalities
Leak (15)
Retighten or
replace
Leak (16)
Replace
Remedies
Replace
Replace
Replace
Replace
Replace
Replace
Remedies
Replace
13
Retighten or
replace O-ring
Replace
Replace
Replace
Replace or
retighten
Remedies
Remedies
16
15
15
ZX225US-5B, 225USLC-5B
7-47
4
5
M115-07-146
8
M115-07-148
12
13
11
M137-07-001
14
MDCN-07-028
ZX135US-5B
7
6
M115-07-147
9
10
M115-07-149
12
M137-07-007
MDCD-07-044
16
15
15
MDCN-07-027

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