SECTION 3 - MAINTENANCE
3.3
2. Clean entire sprayer system:
a. Partially ll each tank with clean water and add one part household ammonia for every 100 parts
water.
b. Engage pump and circulate solution through entire spray system. Spray solution through nozzles,
and then drain.
c. Partially ll each tank with clean water only.
d. Engage pump and circulate rinse water through entire spray system. Spray rinse water through
nozzles.
3. Winterize entire sprayer system:
a. Flush entire sprayer system with recreational vehicle (RV) anti-freeze. RV anti-freeze is non-toxic
and safe for the environment. It must be used in 100 % concentrations, but it is more economical
than permanent type anti-freeze to purchase and will not corrode plastic spray components.
b. Spray solution through nozzles.
c. Allow dripless nozzles to drain by loosening each diaphragm check valve nut.
3.4. PRESEASON ANNUAL MAINTENANCE
1. READ AND UNDERSTAND Operator’s Manual before using machine.
2. Grease wheel bearings and inspect bearing looseness.
3. Check tank(s) for cracks.
4. Inspect sprayer components.
5. Inspect hydraulic components.
6. Tighten each diaphragm check valve nut on dripless nozzles.
7. Refer to SECTION 2 – SPRAYER OPERATION for set-up and start-up procedures.
8. Flush winterizing anti-freeze solution from entire sprayer system with clean water. Spray rinse water
through nozzles. Automotive anti-freeze is a hazardous material and must be disposed of properly.
IMPORTANT!
ANALOG GAUGES USED IN RAVEN CONSOLES MAY RETAIN SMALL AMOUNTS OF FLUID IN THEM AND
SHOULD NOT BE SUBJECT TO EXTENDED PERIODS OF FREEZING TEMPERATURES. STORE GAUGE IN-
DOORS AFTER SPRAYER HAS BEEN USED AND BEFORE IT IS EXPOSED TO FREEZING TEMPERATURES.
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