User's Manual
Rebuild
32 313876F
Wetted Section Reassembly
1. Install the pneumatic spool rod drive. Torque fasten-
ers to 67-70 in-lb (7.5-7.9 N•m).
2. Repeat for other side.
3. Install guide rods. Refer to Wetted Section Rebuild
on page 34 for details on spool valve and metering
rod assembly.
4. Install drive assembly to the guides.
5. Attach the front plate to the serial number side of the
metering body.
6. On Micrometer and LRT PD44s, ensure the air
inlet ports are pointed towards the front plate.
7. Install the cap head screws to the back plate.
8. Slide connecting block down until rod heads are
inserted into retaining plate keyway.
9. Slide the metering rod retaining plate to the locked
position.
10. Tighten set screw located on top of connecting block
until it contacts the top of the metering rod head.
Evenly torque the A and B set screws to 4-8 in-lb
(0.45-0.9 N•m).
Guide Rods
Micrometer PD44 shown
Cap Screws
Retaining Plate