(4) Nozzle chatter check.
Chatter is a normal sound that happens when the valve
i s open and the valve seat surface is clean.
M a k e sure pressure gate valve (1) is closed.
P u m p handle (2) and check that a fine spray comes out of nozzle (3) and a
c h a t t e r sound is heard at each stroke.
Do step 2 several times. I f spray does not come out or chatter sound only
happens sometimes, disassemble, clean and inspect, and repair nozzle. Refer
t o para 4-40b, c, and d.
U n s c r e w connector tube (4) and take off nozzle and holder assembly.
END OF TASK