MAX POWER
Manuel operation
To use manual lowering screw
1
Disconnect hydraulic connections on ram A&B(or energise
up down unit control valve)
2
Turn manual lowering screw clockwise
3
Place security bolt (A) in thread hole (B) before working on
the unit.
4
When finished reverse operation making sure that when
raising the unit the thruster follows the up motion
progressively.
5
Be sure to return screw to fully unscrewed position and to
re fit a cable tie threw the lowering screw and its thread at
point (H).
Failure to do this can result in serious damage to
the turbine.
1
1
A
B
2
H
Proximity switches
1
The proximity switches on the thruster indicate to the control
box in witch position the thruster is in.
1
This indicates that the thruster is up and locked .The
detector bar is on the lock therefore if the alarm is
sounding the thruster may be up, but is not locked!
2
This indicates that the thruster is down and can
therefore thrust. Should at any moment the unit come of
this position when running it will automatically stop.
Due to the use of the gas ram the unit will also slide of
this stop if not used for more than 2 min.
2
- 24 INSTALLATION MANUAL RETRACT R 450
