DeZURIK
R3 PowerRac
TM
Cylinder Actuator
D10359
Page 14
August 2016
Figure 4 – Lockable Model, Component Identification
Page 1: ...DeZURIK R3 POWERRAC TM CYLINDER ACTUATOR Instruction D10359 August 2016...
Page 2: ...g with hazardous pipeline materials Handle valves which have been removed from service with suitable protection for any potential pipeline material in the valve Inspection Your R3 PowerRac Cylinder Ac...
Page 3: ...tion 4 Lubrication 4 Open and Closed Position Stops 4 Removing Actuator From Valve 7 Actuator Disassembly 7 Actuator Reassembly 8 Mounting Actuator on Valve 10 Changing Mounting Position of Actuator o...
Page 4: ...Pa maximum Lubrication The R3 PowerRac Cylinder Actuator is lubricated at the factory and does not require routine maintenance lubrication If the actuator is disassembled lubrication is required as de...
Page 5: ...DeZURIK R3 PowerRac TM Cylinder Actuator August 2016 Page 5 D10359 Figure 1 Component Identification Unassembled...
Page 6: ...DeZURIK R3 PowerRac TM Cylinder Actuator D10359 Page 6 August 2016 Figure 2 Component Identification Assembled...
Page 7: ...operation of a powered actuator can cause personal injury or equipment damage Disconnect and lock out power to the actuator before servicing 3 Disengage the actuator from the valve shaft by loosening...
Page 8: ...th the O ring groove toward the piston rod place the O ring B43 the piston B46 and the nut B47 on the piston rod B42 Tighten the nut to 120 10 foot pounds 163 14 Nm 2 Place the O ring B45 in the small...
Page 9: ...the gear B8 into the housing bearing B2 so that the marked tooth on the rack B5 meshes between the two marked teeth on the gear as shown in Figure 3 11 Place the O ring B10 in the groove of the top co...
Page 10: ...ve is installed One or more of the following four steps may be required depending upon the positions of the valve the actuator the actuator cover and the mounting position selected a Rotate the valve...
Page 11: ...so that the gear B8 bottoms out against the lower housing bearing B2 10 Begin to tighten the adjusting screw B9A as the adjusting screw becomes snug repeat step 9 and finish tightening to 200 30 foot...
Page 12: ...n Adjust only the left side lock screw to lock the actuator in the closed position Adjusting the wrong screw does not lock the actuator and can result in personal injury or equipment damage 2 Loosen t...
Page 13: ...from turning and turn the jam nut several turns counterclockwise to the head of the lock screw 3 Turn the right side lock screw clockwise several turns until resistance is felt from the lock screw con...
Page 14: ...DeZURIK R3 PowerRac TM Cylinder Actuator D10359 Page 14 August 2016 Figure 4 Lockable Model Component Identification...
Page 15: ...op See OPEN AND CLOSED STOPS Actuator will not fully operate valve Cylinder pressure is low Increase cylinder pressure Do not exceed 100 psi 69 kPa Actuator is sized incorrectly Use larger actuator Pi...
