Section 2 - Care and Safety General Procedures Venting Hydraulic Pressure
Venting Hydraulic Pressure
!MWARNING 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
Important: This procedure is only to be used before disconnecting hydraulic hoses. Before removing other hydraulic components refer to the correct Removal procedure. 1
Park the machine and make it safe. K Parking the Machine and Making it Safe ( T 2-17).
2
Stop the engine.
3
Carefully remove the hydraulic tank filler cap and vent the hydraulic pressure as follows: a
For manually operated services, operate the controls of the service to be disconnected.
b For electrical and pilot operated services, turn the starter key to the ON position but DO NOT start the engine. Operate the controls of the service to be disconnected. Note: Make sure that the pressure is vented correctly. Electrical and pilot services have a small quantity of accumulated pressure available for venting. 4
Refit the hydraulic tank filler cap.
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