a. Remove capillary line clamps and free sensing
b. Disconnect thermal element to recorder (Figure
c. Remove grommets and pull capillary line and
(2) Reset refrigeration unit thermostat
element through container wall hole.
(MK410) to a setting of 5-degrees warmer or cooler.
(3) Allow container temperature to stabilize,
4-50. Element Installation.
as indicated by test thermometer, to the selected
a. Pass sensing element through container wall
(4) Recorder should indicate container
temperature within +2 degrees of test thermometer
c. Install sensing element in clips, install clamps
(5) Reset refrigeration unit thermostat (TM 5-
temperature curing silicon rubber, Dow-Corning RTV
of Thermal Element With Sensing
d. Perform recorder adjustment (paragraph 448).
Section XV. MAINTENANCE OF FUEL SYSTEM
b. Fuel line.
The fuel line connects the auxiliary diesel fuel tank
extended running. The fuel tank has a vented fuel cap
and a fuel gage. The fill tube extending to the level
marking has a pin hole for venting purposes in case the
(2) Repair fuel tank using epoxy patch kit
fuel level reaches above the level marking.
Only small pinholes and cracks
a. Fuel cap. Inspect for obvious damage and
may be repaired with epoxy patch.
defects, and verify vent passage is open including the
pin hole in the fill tube.
(a) Drain fuel tank to a level below
b. Fuel gage.
Inspect for broken glass,
holes or cracks, via drain plug in bottom of fuel tank.
deteriorated gaskets, loose screws, and operation (fuel
(b) Remove paint and clean area to be
level indication versus approximate known fuel level in
repaired using crocus cloth or sandpaper.
(c) Mix and apply epoxy patch in
c. Fuel line.
Inspect for obvious damage and
accordance with instructions supplied in the kit.
(d) Allow epoxy to cure for 30 minutes
d. Fuel tank. Inspect for obvious damage, leaks,
or as specified in the instructions supplied.
punctures, rust, and security.
(e) Fill fuel tank and inspect for leaks
around the repaired areas.
(f) Paint repaired surface using color
a. Fuel cap. Replacement is obvious.