ACTUATORS - RP SERIES
Australian Pipeline Valve - Installation, Operation and Maintenance Manual
16
energised and install internal thrust bearing (08). Insert
completely the drive shaft in the body.
• Fit external thrust bearing (08), thrust washer (10) and
then external circlip (18) using snap ring pliers.
6.2.2 Pistons assembly (Part No. 40), Figures 13, 14,
15 and 16
• Install piston o-rings (16), the piston skirt (05) and
piston head (15) bearings.
• Grease the internal surface of the body (50) and the piston (40) rack teeth.
• Hold the body (50) in a horizontal position by inserting the top of the shaft into a
vice or the bottom of the shaft connection into a mal drive fitted in a vice as
shown in Figure 13.
• Ensure that the octi-cam is in the right position as shown in Figure 14.
• For standard rotation assembly (clockwise to close) rotate the body (50) about
40-45° counterclockwise from bottom view or clockwise from top view
depending on which way the shaft has been linked as shown in Figure 15.
• Press the two pistons (40) simultaneously inside the body (50) until the pistons
are engaged and rotate the body clockwise from the bottom view or
counterclockwise from top view until the stroke is complete.
• Ensure that when the pistons are inserted that they both mesh at the same time.
Check fully closed and open positions as shown in Figure 16.
6.2.3 End cap (Part No. 30 right and 31 left) and spring cartridge (17) assembly (for model 180
to 330 the 2 end caps 30 are symmetric), Figures
17, 18 and 19
• Lubricate the body.
• For spring return actuator insert the proper quantity of spring
cartridge according to the pattern shown in Figure 17
(referring to the total number of springs). Insert spring
cartridge (17) as shown in Figure 18.
• Fit end cap o-ring seal (14) into the groove in the end cap, on
both end caps.
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
