HANGCHA CPCD15 - Page 84

78
Regular Maintenance Schedule for the Hydraulic System
Maint
enanc
e
Item
Maintenance Content
Tool
Daily
(8h)
Every
month and
a half
(250h)
Trimonthly
(500h)
Semi-annua
lly
(1,000h)
Annually
(2,000h)
Hydra
ulic oil
tank
Check the oil level or
replace it (1)
○
○
○
○
×
Clean the oil
absorption filter (1)
○
○
Replace the return oil
filter (1)
○
×
Remove foreign
objects
○
○
Contro
l valve
stem
Check the joint for
looseness
○
○
○
○
○
Check the operating
condition
○
○
○
○
○
Filter
Check for any leakage
○
○
○
○
Multi
-valve
.
Oil leakage
○
○
○
○
○
Safety valve and tilt
self-locking valve
Check the operating
condition
○
○
○
○
Measure the opening
pressure of the safety
valve
Oil
pressure
gauge
○
○
Pipelin
e
.
joint
.
Check for any leakage,
looseness, fracture,
deformation or
damage
○
○
○
○
Replace the pipe
×
1-2 years