56
Brake drum abrasion,
damage condition
○
Brake
baseboard
Check if baseboard
deforms
○
Check if crack
Flaw
detection
○
Check if loosen during
installation
Test
hammer
○
Hydraulic system periodical maintenance schedule
Check
item
Service required
Tools
Daily
(8 hrs)
Monthly
(166hrs)
3months
(500hrs)
Semi-annual
(1000hrs)
Annual
(2000hrs)
Hydraulic
oil tank
Check
Hydraulic
oil
and replace
○
○
○
×
×
Clear oil absorption
filter element
○
○
Replace oil return
suction strainer
（
1
）
×
×
Eliminate foreign body
○
○
Control
valve rod
If connection loosens
○
○
○
○
○
Operation condition
○
○
○
○
○
Filter
Check oil leakage
○
○
○
○
Multi-way
valve
Oil leak
○
○
○
○
○
Relief valve and tilt
latching
valve
operation condition
○
○
○
○
Measure relief valve
pressure
Oil
gauge
○
○
Pipe joint
Leakage,
loosen,
fracture,
deformation
and damage condition
○
○
○
○
Replace pipe
×
1
～
2years
Electrical system periodical maintenance schedule
Check
item
Service required
Tools
Daily
(8 hrs)
Monthly
(166hrs)
3months
(500hrs)
Semi-annual
(1000hrs)
Annual
(2000hrs)
Starting
motor
Pinion
engagement
condition
○
○
○
Battery
Electrolyte fluid level
and clean
○
○
○
○
Check
electrolyte
proportion
Areometer
○
○
○
Wire
Wire harness damage
and
fix
loosen
condition
○
○
○
○
