Wetted Section Reassembly - Graco PD44 Operation & Maintenance Manual

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 31 for details on spool valve and metering
rod assembly.
313876L
Guide Rods
4. Install drive assembly to the guides.
Micrometer PD44 shown
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.
Retaining Plate
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).
Rebuild
Cap Screws
29