J+J J4C S300 Handbook

14
Index
HANDBOOK / J4C SERIES
EMERGENCY MANUAL OVERRIDE FACILITY
The J4C has 2 operating modes, automatic and manual, the required mode is selected by using a lever on the lower
half of the actuator housing (Fig 7).
The 2 positions are marked:
• AUTO = Automatic operation
• MAN = Manual operation
Fig. 7 J4C 20 TO 85 Fig. 7 J4C 140 TO 300
J4C 20 TO 85 J4C 140 TO 300
Automatic - Manual
Position Indicator
Hand Wheel
Warning: Do not remove the selector lever securing screw, as this will allow its internal
mechanism to become loose and will cause irreparable damage to the actuator’s gearbox.
Removing this screw will invalidate the warranty.
When “AUTO” position is selected:
The hand wheel, of models 20,35,55, and 85 rotates automatically, it is very important not to block it, otherwise the
actuator could suffer unrepairable damages.

J+J J4C S300 Specifications

General

Brand	J+J
Model	J4C S300
Category	Controller
Language	English