Open pressure gate valve (1).
N e w nozzles should open
between 3050 to 3150 psi. Used
n o z z l e s should open at a
minimum of 2800 psi. There
should not be more than
a 300 psi difference between any
two nozzles in a complete
P u m p handle (2) and note pressure on gage (3) when nozzle (4) opens and
s p r a y comes out. I f nozzle does not open within ranges noted above, do
nozzle opening pressure adjustment. Refer to para 4-40a (1).
END OF TASK