Table 3-2. Unit Preventive Maintenance Checks and Services for the STEPO-I(Cont)
A - After Operation
Q - Quarterly
Item To Be
Check For And Have Repaired
Or Adjusted As Necessary
Remove and recharge battery.
Battery is installed.
(See paragraphs 3-8.2.2 and 3-8.3.)
Inspect bag for rips, tears or holes.
Bag is punctured.
The coolant bag holds four (4) pounds of
cube or crushed ice or three (3) gel
packs. Gel packs require 8-10 hours to
fully freeze and provide longer operating
time. Approximately one (1) quart of
potable water is necessary to operate
the ice vest.
Ensure the required amount of
Ice, frozen gel packs
ice or gel packs and potable
or water are not
water are available.
Equipment damage. Always completely
drain the coolant bag to prevent mildew
inside the ice vest. Failure to drain the
coolant bag may cause equipment
failure from mildew and require
replacement of the coolant bag or ice
Drain the coolant bag and
remove ice or gel packs.
Operate the switch to ensure it
Pump fails to start.
is working properly.
installation of battery.)
Rotate valve to ensure it is
Valve fails to
Inspect for missing broken
Buckles are broken
buckles. Ensure proper fit.
fit cannot be made
Inspect webbing for rips or
Webbing is ripped or
Change 2 3-142