OPERATION & MAINTENANCE MANUAL STE35SR
Regular Replacement of Safety Critical Parts
To ensure safety, the user must perform regular maintenance on the machine when operating
or driving the machine. In addition, in order to further improve safety, users should also
periodically replace parts in the safety critical parts list. These parts have a particularly close
relationship to safety and fire protection, so please contact your CFG for replacement.
For these parts, the material changes over time and they are prone to wear or deterioration.
However, it is difficult to completely judge the condition of the parts through regular
maintenance. Therefore, the specified time is up, regardless of the situation, it must be
replaced. This is necessary to ensure that these parts always maintain their function
completely.
If these parts have not returned to the replacement cycle, they must be repaired or replaced
immediately.
If the hose clamp deteriorates, such as deformation or cracks, replace the hose clamp while
replacing the hose.
The following checks should be performed on hydraulic hoses that are not listed as regular
replacement parts. If abnormalities are found, tighten or replace them.
When replacing the hose, replace the O-ring, gasket and other similar parts at the same time.
Safety critical parts
Number
Part Name Q'ty
Replacement
frequency
1 Fuel hose (fuel tank - fuel pre-filter) 1
Every 2 years or
3000 hours,
whichever comes
first
2
Fuel hose (fuel pre-filter - fuel fine
filter)
1
3 Fuel hose (fuel fine filter - engine) 1
4 Fuel return pipe (engine - fuel tank) 1
5 Hydraulic hose (pump drain) 1
6 Hydraulic hose (pump return) 1
7
Hydraulic hose (boom cylinder -
control valve)
4
8
Hydraulic hose (arm cylinder - control
valve)
2
9
Hydraulic hose (bucket cylinder -
control valve)
4
10
Hydraulic hose (swing motor - control
valve)
2
11 seat belt 1 Every 2 years
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