
ARO 637397 Air Section Service Kit
Rebuild kit for the air section of PD10 pumps such as the 1-inch PD10A-AAP-AAA; 142 listed models
ARO 637397 air section service kit for rebuilding the air side of PD10 diaphragm pumps, including the 1-inch metallic PD10A-AAP-AAA.
ARO 637397 services the air section of PD10 family pumps, from the PD10A-AAP-AAA to PD10P units coded FKS, FPS, BPS or YKS. In an air-operated diaphragm pump, the air section holds the air valve that switches compressed air from one diaphragm chamber to the other. Its seals and moving parts wear with every stroke, and a kit for this section is meant to restore clean shifting. The record lists no contents or materials, so compare against the PD10 service documents before you strip the pump.
When to Use This Kit
- The PD10 pump stalls mid-stroke and restarts only after a change in air pressure.
- Air bleeds from the exhaust while the pump is dead-headed.
- The stroke rate turns erratic even though supply pressure is steady.
Fits These ARO Pumps
- ARO PD10A-AAP-AAA
- ARO PD10P-FKS-KVV
- ARO PD10P-FKS-KAA
- ARO PD10P-FPS-PVV
- ARO PD10P-FPS-PTT
- ARO PD10P-BPS-PGG
- ARO PD10P-BPS-PTT
- ARO PD10P-YKS-KTT
Parts lists for 134 additional ARO pumps include it.
| Part No | 637397 |
|---|---|
| Name | Air Section Service Kit |
| Product Type | Air Section Service Kit |
