LUBRICATION AND MAINTENANCE
5-30
IMPORTANT: DO NOT run the product
pump dry. Damage to the pump seals will
result. DO NOT intentionally dead-head
the pump with high pressures. Damage to
the pump seals will result.
Start the engine. Unfold and lower the booms
as far as possible. Set all boom section
switches to the “OFF” position and press the
top half of the agitation switch to increase agi-
tation. Set the product pump switch to the
“ON” position.
Press the bottom half of the agitation switch
(2) to turn agitation off. One at a time, set the
boom section switches (1) to the “ON” posi-
tion until antifreeze flows from the open noz-
zle in each boom section, then turn the boom
sections to “OFF”. Set the product pump
switch (3) to the “OFF” position.
It is acceptable to leave excess antifreeze in
the sprayer.
NOTE: Information for winterizing the Land-
Mark foam marker is in the Wet System sec-
tion; See “LandMark Injection Foam Marker”
on page 4-21.
Remove the 1/4” hose to both the agitation
gauge (1) and the boom pressure gauge (2).
Then remove the same 1/4” hose at the agita-
tion valve at fill station and blow clean com-
pressed air at 80 psi through the hose until no
more fluid is visible at the gauge end. Repeat
this procedure for the boom pressure gauge
hose, by disconnecting the 1/4” hose at the
gauge and five bank boom valve. Once com-
pleted, reconnect the 1/4” hoses to the
gauges and valves.
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