OLGAS-H
– High pressure spring return hydraulic actuator
Use and maintenance manual
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Pag. 22
Contents may change without notice
- relief valve to prevent the oil pressure delivered by the hand pump
from exceeding the maximum allowable value
- oil tank.
On request the emergency manual override can be included in the
power pack
Picture 6
– Olgas-h with hydraulic power pack
❑
Close the stop valve 5-S
before
start
with
manual
operation.
❑
Actuated the pump 5-P until to
reach the complete operation
❑
Check the correct operation of
the actuator through the visual
position indicator.
❑
Open the stop valve 5-S to
operate to fail-safe position
❑
Note that the stop valve 5-S
must be in open position to
allow
the
operation
with
hydraulic supply.
(see chapt.7.2 table 5: sectional
drawing for hydraulic control unit
MHP)
