To tighten the pump block bolts (item #1 as shown above)
I used (and still own) an SprayTech EP2510 (large piston pump) pump for the big jobs and always squirted about 1/8 of an oz or so every morning into the top packings and once before storing also
Brand new unit with 2-Year Titan Factory Warranty
We have inspected and tested this cup and it is compatible with the same HVLP Guns
2-Year Warranty
Separating Oil for all Piston Pumps 8 oz EPX 2405 / 2505 To tighten the pump blockPart # 0286793 or 0279922 or 314 480 For all makes including: Wagner, SprayTech, Graco, Amspray, Krebs, ASM, AccuSpray, Airlessco, Hero, Speedflo, Titan. Lubricating the top packing rod is a must for any piston pump if you want your packings rod to last. You should squirt some every time in the throat of the piston pump before every use, and it is also recommended to squirt a bit in the same spot before storing. Info from Label: Reduces premature wear