Maintenance Strategy Based on Reliability Analysis and FMEA: A Case Study for Hydraulic Cylinders of Traditional Excavators with ERRS

Table 1

FMEA example.

Failure part

Failure Time (h)

Failure modes

Likely failure cause

Detect result

RPN

Weight

Countermeasures

Maintenance items

Maintenance cycle

Executor

Valve

137

Sluggish

Oil pollution

Y

6

5

30

—

Cleanliness inspection

Days

Driver