jcb JS300 Service Manual page 21

Connecting/Disconnecting Hydraulic Hoses
!M
WARNING
Hydraulic Pressure
Hydraulic fluid at system pressure can injure you.
Before disconnecting or connecting hydraulic hoses
or couplings, vent the pressure trapped in the hoses in
accordance with the instructions given in this
publication.
HYD-1-5
For the correct procedures to connect/disconnect
hydraulic hoses, refer to Section 2, Attachments,
Connecting/Disconnecting Hydraulic Hoses.
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Section 1 - General Information
Connecting/Disconnecting Hydraulic Hoses
9813-5100-1
General Procedures
1-16