quote:
Originally posted by 1Rocketship:
In theory the rod should go down ( pointed towards the ground) for "2" reasons...
"1" Pointed down eliminates the possibility (ostensibly) of water/sand/abrasive particles collecting around the shaft/rod/seal.
"2" With the rod pointed down, any particles/dust/sand, etc,etc get scraped/fall AWAY from the seal as the rod retracts into the cylinder vs collecting around the rod & possibly being pushed/forced into the seal with the rod pointed up ( double entendre)...my 4.7536 cents adjusted for inflation...Mark
...I concur with Mark..That's Rare. LOL
There is one other reason for the 'Rod facing Downward', and that is, any Oil in the Cylinder will remain on top of the Piston, keeping the Piston Seal/'O' Ring, Lubricated and this also allows the Piston to 'Wipe' the Cylinder wall, with Every Movement. The Seal will see less abrasion and will last longer, Stay Pliable and will leak less Air.