Table 4-1. Organizational Preventive Maintenance Checks and Services (Continued)
M = Monthly
A/R = As Required
Q = Quarterly
H = Hourly
ITEM TO BE INSPECTED
NO. M A/R
CONTROL PANEL (Continued)
c. Make sure all control panel components are securely fastened to control panel. Check
all hoses and fittings for leaks and replace them as necessary. Make sure electrical
wires are securely fastened to solenoid valve switch and ground.
d. Make sure control panel light operates.
Figure 4-21. Insecticide Flowmeter
a. Make sure flowmeter control valve operates smoothly.
b. Check meter tube for nicks or cracks.
c. Make sure pointer operates smoothly.
DO NOT force control valve all the way open or closed. Too much force will
damage the valve.