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SECTION 7 –
SPRAY SYSTEMS
Draining the Chemical Tank(s)
1. Ensure the lower Tank Drain Valve
(located beneath platform behind solu-
tion tank) is in the CLOSED (Off) posi-
tion.
2. Place the end of the corresponding Drain
Hose into a suitable container.
3. Rotate the upper Tank Drain Valve
(located beneath the chemical tank that
you are draining) to the OPEN (On) posi-
tion (away from injection pump).
4. Rotate the lower Tank Drain Valve
(located beneath platform behind solu-
tion tank) to the OPEN (On) position to
drain chemical.
5.
When finished draining tank
, rotate the
lower Tank Drain Valve to the CLOSED
(Off) position.
6. Rotate the upper Tank Drain Valve to the
CLOSED (Off) position (perpendicular to
valve body).
7. Remove Drain Hose from collection con-
tainer and place back into stored posi-
tion.
8. Repeat steps to drain additional chemi-
cal tank -
if equipped
(using the corre-
sponding upper and lower tank drain
valves).
Further Information
Refer to the Raven manufacturer’s
operation manual for complete operating and
calibration instructions, troubleshooting tips,
safety precautions, and maintenance
information.
NOTICE
Drain chemicals into an adequately
sized and clearly labeled container,
ensuring lid is tightly closed.
NOTICE
As a safety feature, upper and lower tank
drain valves must both be in the OPEN
position to drain the chemical tank(s).
Tank Drain Valve (Lower)/Drain Hose
(Located beneath platform
behind solution tank)
-Typical View
* 1-tank/1-pump configuration shown
• Tank Drain
Valve
• Drain
Hose
Tank Drain Valve (Upper)
(Located beneath chemical tank)
-Typical View
* Valve shown in OPEN position
Summary of Contents for STS 10
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