Eco-505C 5-Gallon Injection System Mesh_80 The accumulator diaphragm should be

The accumulator diaphragm should be set to 20% of the operating pressure

Udor recommends diaphragm replacement after 500 hours of use or at the seasons end

1         1720-0008     O-ring

The Hannay E1526-17-18 electric reel is a lightweight

Eco-505C 5-Gallon Injection System Mesh_80 The accumulator diaphragm should beThe Gregson Clark Eco 505C Spray Injection System allows the lawn care operator to selectively apply a herbicide or pesticide on demand while making a blanket application of fertilizer. By pulling the second trigger on the injection gun, the pesticide solution is injected instantaneously into the flow of fertilizer at the gun. For those with limited space the 5 gallon compact system is a preferred choice. Shipping and delivery: All Gregson Clark