33 12 16.26 - 001-A - Response AAN-ANR Butterfly Valves - Garney ...

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Fig. 4.9 Type A Drive Bush in
Position 2
If the actuator has a type Z3 drive bush
(Fig. 4.10) this can only be fitted below
the actuator base (Fig. 4.11).
Fig. 4.10 Type Z3 Drive Bush
Fig. 4.11 Type Z3 Drive Bush in
Position 3
Re-Assembly
Having confirmed the position required,
insert the machined drive bush ensuring
that the actuator output shaft dogs are
in full engagement with the bush. Fit
drive bush retainer securely, turning
clockwise until fully tightened using
hammer and punch. Rotate by hand
wheel to align retainer set screw with
hole in the side of base and tighten.
4.4 IQ40 to IQ95
Non-Thrust Base Type B
Type B1
Output shaft bored and keyed to ISO
5210 standard. There is no drive bush
to machine.
Fig. 4.12 Tightening Retainer Set
Screw
Types B3 and B4
Identical drive bushes secured by cap
headed screws.
B3 is supplied pre-machined to ISO
5210 standard.
B4 is supplied blank and must be
machined to suit the input shaft of the
gearbox or valve that it will drive.
Fig. 4.13 B3/B4 Drive Bush
Fig. 4.14 B3/B4 Drive Bush in Situ