Page 2 - Instruction Manual; Description
Instruction Manual D500236X012 1080 Manual Actuator October 2012 2 Table 1. Specifications Available Configurations Direct acting; see Handwheel Rotation Manual Actuator Sizes See table 2 Power Actuator Compatibility Compatible with Fisher 1035 actuator; see table 2 Maximum Torque Output See table 2...
Page 4 - Installation; Installing the Manual Actuator; WARNING
Instruction Manual D500236X012 1080 Manual Actuator October 2012 4 Installation The 1080 manual actuator is normally shipped mounted between the A31A Cryogenic or A41 valve assembly and the 1035 actuator. If the manual actuator is shipped separately for installation on the 1035 actuator, or if the m...
Page 5 - Operation
Instruction Manual D500236X012 1080 Manual Actuator October 2012 5 12. Install the power actuator and manual actuator assembly on the valve as described in the installation section of the power actuator instruction manual. Remember the positions noted in steps 3 and 6, because you will need them whe...
Page 6 - Engaging and Disengaging the Manual Actuator; Engaging the Manual Actuator
Instruction Manual D500236X012 1080 Manual Actuator October 2012 6 Table 2. Actuator Size Selection and Specifications (1) ACTUATOR SIZE 1035 ACTUATOR SIZE GEAR RATIO NUMBER OF TURNS TO CLOSE HANDWHEEL DIAMETER 1080 MAXIMUM TORQUE (2) 1035 TORQUE (3) WHEEL RIM FORCE FOR MAXIMUM TORQUE (4) mm Inches ...
Page 7 - Disengaging the Manual Actuator; Maintenance
Instruction Manual D500236X012 1080 Manual Actuator October 2012 7 Disengaging the Manual Actuator WARNING Disengaging the manual actuator when forces, such as spring compression, cylinder pressure, and dynamic torque, are present may cause sudden, extreme movement of all control valve components. D...
Page 8 - Lubrication
Instruction Manual D500236X012 1080 Manual Actuator October 2012 8 D Vent the power actuator loading pressure and relieve any actuator spring precompression. If using a Spring Return actuator, first check to make sure the valve has been moved to the fail safe position to prevent unexpected actuator ...
Page 11 - Parts Ordering
Instruction Manual D500236X012 1080 Manual Actuator October 2012 11 Parts Ordering When corresponding with your Emerson Process Management sales office, indicate the size of the 1080 actuator. The size is stamped on the gearbox. Also, give the serial number of the unit, which is shown on a tag attac...