TM 5-3740-214-14
OPERATIONAL CHECK
a. Refer to the direct and general support preventive maintenance section for the general operational check.
Figure 4-78. Nozzle Adjustment Procedure
b. Calibrate flowmeter.
(1)
Aim nozzle assembly into a bucket.
(a) Loosen nozzle adjusting nut.
(b) Aim nozzle down into bucket and tighten adjusting nut.
(2)
Turn solenoid valve switch OFF.
(3)
Start engine according to engine start procedures in Chapter 2 Section III.
(4)
When formulation tank pressure levels off, shut engine OFF.
(5) Turn the ignition and solenoid valve switches ON and let the insecticide flow into a bucket. Let the
insecticide flow until the fluid lines are free of air bubbles.
(6)
Check the temperature.
(7)
Hold a beaker under the insecticide stream for a timed minute.
(8)
Turn OFF the ignition and solenoid switches.
(9) Pour the insecticide from the beaker into a graduated cylinder and measure the volume of insecticide
that flowed in one minute.
4-73
