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STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 5100, rev. 06 06/2020 – RTC/RTCS
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Important
DO NOT APPLY additional force, once against travel stop.
Operate the actuator with pneumatic supply to check that the actuator moves
freely.
Important
After every manual override operation, restore the grease on the mechanical
manual override screw.
See chapter 8.5 for grease specifications.
7.4 Declutchable mechanical manual override (If any)
For manual operation, push down the handle (Fig. 9)
and turn the handw
h
eel
,
following the instruction
described in paragraph 7.3.
Once the operation is done
,
pull up the handle as before to start.
Fig. 9 –
Mechanical manual override for
single acting cylinder
7.5 Position of Mechanical manual override
Important
Position of the valve in relation to the position of mechanical manual override
MUST be always known.
The following sketches in paragraphs 7.5.1, 7.5.2, 7.5.3, display this
information.
Note: the information on the sketches are valid for the valves that CLOSE
CLOCKWISE.
Handwheel
