SECTION V.
MAINTENANCE INSTRUCTIONS
5-1.
GENERAL. This section contains inspection
and preventative maintenance instructions for the Type I
(Air) and Type II (Air/Oxygen) Servicing Units.
5-2.
INSPECTION
AND
PREVENTATIVE
MAINTENANCE.
a.
AIR PURIFICATION CYLINDERS (See
Figure 5-1 and Figures 7-2, 7-3). The cartridges shall be
changed in accordance with the number of recorded
operating hours (see Table 5-1). To change the
cartridges on cylinders, proceed as follows.
Make certain that all air pressure has been bled from the
air or oxygen purifier before purifier cap is unscrewed
(1)
Using
a
strap
wrench
or
equivalent,
unscrew cylinder caps from either the air or oxygen
purifier cylinder.
Do NOT interchange cartridges between air
and oxygen purifier cylinders on Type 11
Servicing
Units
Do
NOT
reuse
filter
cartridges
Use oxygen clean procedures. Take every precaution
when removing Type II oxygen purifier cartridge that no
foreign substance is allowed to enter into oxygen purifier
cylinder. If in doubt oxygen clean cylinder before using.
Table 5-1. Inspection, Checks, and Services
COMPONENT
OPERATIONAL
OR PART
INSPECTION, CHECK, OR SERVICE
TIME PERIOD
Entire Servicing Unit
Visually inspect for loose or missing hardware
Before each use.
Air and Oxygen Flex Hose
Inspect entire air or oxygen system for leaks, cracked fittings
Before each use Before
and Tubing
and for chaffing conditions on flex hose and tubing
and after shipment, stor-
age or servicing unit has
been moved
Air or Oxygen (MA-2)
Replace cartridge as necessary Refer to Prior To Operation
8 hours, or as operational
Purification Cartridge
(Section IV, para 4-8.b.)
conditions dictate.
Gauges
Visually inspect for proper working order
Before each use and
during use
Gas Cylinder Clamping
Visually and physically check each clamping band to determine
Before each use Before
Band
that band is firmly securing gas cylinder to channel frame
each movement of the
service units
Service Unit Welded Frame
Visually check welded frame for cracks or broken welds
6 months.
Repair as necessary.
Stabilizing Jack
Visually check jack for damage and working order Check
Before each use.
pin for damage.
M1 16AI Trailer
As per TM 9-2330-202-14P
5-1
