Operation
F
. 2
IG
Stage 1
Pressurized fluid moves the injector piston forward and
forces fluid through the outlet check valve to the feed
line.
313798S
Stage 2
After fluid is discharged, the pressure is relieved and the
injector piston returns to the rest position. Lubricant in
the measuring chamber returns to the discharge cham-
ber.
Operation
3