Weir Hopkinsons Fig 9052, Standard Operating & Maintenance Instructions, Page: 2 / 17

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Index
Section 1
1.1 General Page 3
1.2 Motor and Gear Train Page 3
1.3 Torque Limiting Device Page 3
1.4 Manual Operation Page 4
1.5 Limit Switch Assembly Page 5
1.6 Limit Switch and Indicator Unit Assembly Page 6
1.7 Torque Switch Assembly Page 6
1.8 Indicator Unit (When Fitted) Page 6
Section 2
2.1 Limit Switch Page 7
2.2 Commissioning Pedestal Units Page 7
2.3 Commissioning Direct Mounted Actuators Page 7
2.4 Mechanical Valve Position Indicator (When Fitted) Page 8
2.5 Motor Page 8
2.6 Alternating Current Page 8
2.7 Lubrication Page 8
Drawings
Arrangement of Fig 9052 Actuator Page 10
Sectional Arrangement of Gear Box Assembly for
Fig 0052 Actuator
Page 11
Cut-Away of Fig. 9052 Gear Box, With Limit Switch & Valve
Position Indicator
Page 12
Arrangement of Fig 9052 Actuator - Pedestal Mounted Page 13
Arrangement of Limit Switch Suitable for Fig. 9051, 9052, 9053,
9054, 9055 & 9056 Actuators
Page 14
Diagrammatic Cut Away of Limit Switch Assembly Page 15
Arrangement of Torque Switch Page 16
Contact Details Page 17