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Page Title:
Adjustment of adjusting screw type nozzle. |
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 TM 9-2815-210-34-2-2
(a) Adjustment of adjusting screw type nozzle.
FRAME
1
U n s c r e w connector tube (1) and take off nozzle and holder assembly (2).
1.
P u t nozzle and holder assembly (2) in a soft-jawed vise.
2.
Hold locknut (3).
3*
Takeoff cap (4) and gasket (5).
NOTE
T u r n adjusting screw (6) to the right to increase pres-
sure, and to the left to decrease pressure. Opening
p r e s s u r e should be between 3050 to 3150 psi.
4.
T u r n adjusting screw (6) to the right or to the left to increase or decrease
pressure.
T i g h t e n locknut (3). T a k e nozzle and holder assembly (2) out of vise. Do
5.
nozzle opening pressure test. Refer to para 4-40a (1).
D o steps 1 through 5 again until pressure is between 3050 to 3150 psi. If not,
6.
disassemble, clean and inspect, and repair nozzle. Refer to para 4-40b, c, an
d.
GO TO FRAME 2
4-396
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