Reliability Importance Measures considering Performance and Costs of Mechanical Hydraulic System for Hydraulic Excavators

Table 2

The ranking of downtime losses caused by the failure mode.

Losses	Ranking	Coefficient
<0.5	1	1.0
0.5-1	2	0.9
1-1.5	3	0.8
1.5-2.0	4	0.7
2.0-2.5	5	0.6
2.5-3.0	6	0.5
3.0-3.5	7	0.4
3.5-4.0	8	0.3
4.0-4.5	9	0.2
4.5-5.0	10	0.1