SEN03774-01 10 Structure, function and maintenance standard
12 PC130-8
CLSS 1
Outline of CLSS 1
Features
CLSS stands for Closed center Load Sensing Sys-
tem, which has the following characteristics:
q Fine control not influenced by load
q Controllability enabling digging even with fine
control
q Ease of compound operation ensured by flow
divider function using area of opening of spool
during compound operations
q Energy saving using variable pump control
Configuration
q CLSS is configured with variable capacity
piston pumps, control valves, and respective
actuators.
q The hydraulic pump is configured with pump
body, PC valve and LS valve.
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