MVP PATRIOT 1:1, Operation Manual, Page: 31 / 64

Patriot 1:1 Adhesive System Operations Manual
Rev. 07/2016 Page | 31
Result 1:
Material delivered on the activator pump down-stroke (from the top of the stroke to the bottom) is not
curing or slow cure (see figure above).
Indicates: No or low activator is being delivered on the down-stroke.
Probable Cause: Worn or damaged intake valve.
Worn or damaged lower seat.
Dirty or stuck intake valve.
Solution: Replace worn and damaged parts, see Service and Repair Manual.
Result 2:
Material delivered on the activator pump up-stroke (from the bottom of the stroke to the top) is not curing
or slow cure (see figure above).
Indicates: No or low activator is being delivered on the up-stroke.
Probable Cause: Worn or damaged piston seal
Worn or damaged piston body ball.
Damaged piston body ball seat.
Solution:
Replace worn and damaged parts, see Service and Repair Manual.
Start Pour Test Direction of gun travel End Pour Test
B B B B
T T T