Great Plains NH3 Safety User Manual
Page 28
24
NH
3
Safety
Great Plains Manufacturing, Inc.
407-551M
2013-07-15
• Is the hose outlet valve tightly
closed?
• Are the tank inlet and outlet valves
tightly closed?
• Are the liquid and vapor valves
labeled or color coded? (red/orange
for liquid and yellow for vapor)
• Does the tank have Acme caps for
vapor and liquid valves?
• Are all limited-life components within
their dated service lives?
• Does the tank have an operating
fixed liquid level float gauge?
• Does the tank have an operating
pressure gauge.
• Is there a rust-free functional
pressure relief valve, with a rain cap?
• Is a clearly labelled five gallon
container of fresh clean water
attached to the nurse tank?
• Is one pair of goggles and one pair of
rubber gloves provided on the tank?
• Are the tires the correct type and size
for the cart, and are they all of
identical type and size?
• Do the cart tires have at least
3
⁄
16
inch (0.5 mm) tread remaining.
Do all tires have about equal tread
wear?
• Are the tires all free of signs of mis-
alignment (uneven tread wear
indicating bent axles, failing
bearings, etc.)?
• Are the tire sidewalls free of signs of
weathering?
• Are the tires inflated to specification
(not to exceed the maximum
pressure listed on the sidewalls).
• Is the tongue of the trailer straight
and in good condition?
• Is the tank paint in good condition? Is
it free of peeling, deep scratches,
bubbles and discolored spots (which
might be rust or a leak)?
• Is the tank free of rust and dents, and
showing no signs of cracks or leaks?
• If the tank has been unattended and
unsecured, is it free of any signs of
tampering?
• Is the cart frame free of deep rust,
cracks, collision damage and other
signs of possible future failure?
• Does the cart appear to be in an up-
to-date state of lubrication?
• Are the tank and plumbing free of
any signs of leaks?
• Does the cart have an SMV (Slow
Moving Vehicle) reflector on the
rear?
• Does the cart have any required
trailer license plate or tags?
• Do you have all required permits/
licenses?
• Do you have contact information for
local, regional and national
Emergency Response Centers?
• Do you have a mobile means of
summoning emergency aid, such as
a cell phone? Is there adequate
wireless coverage along your entire
route and in the field?
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