Fisher® 10780 pages

Product Bulletin
61.8:1078
D101339X012
January 2009
1078 Manual Actuator
Fisherr 1078 Declutchable Manual Actuator
Fisherr 1078 manual actuators, figures 1 and 2, are
declutchable actuators for manual operation of
control valves and equipment that use power
actuators. The 1078 manual actuator mounts directly
to Fisher 1051 sizes 33, 40, and 60; 1052 sizes 33,
40, 60, and 70; 1061 sizes 30, 40, 60, 68, 80, and
100; and to all sizes of 1066 and 1066SR actuators.
W6244−1/IL
W6283/IL
Figure 2. Fisherr 1078 Declutchable Manual Actuator
Mounted on a 1052 Size 40 Actuator and V500 Valve
(Optional Construction)
D101339X012
Figure 1. Fisherr 1078 Declutchable Manual Actuator
Mounted on a 1052 Size 33 Actuator
(Standard Construction)
For 1051 size 33, 1052 size 33, 1066, and 1066SR
actuators, coupling to the power actuator is via a
flatted shaft installed in the lever or hub. The
dimensions of these shafts are the same as those
used with H mounting adaptations. The stub shaft
fits into a square broach in the manual actuator
sector, and spacers secure the shaft in the
appropriate position.
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