TM 9-4110-258-13
Table 4-1. Preventive Maintenance Checks and Services for Model F9000RE - Continued
Location
Item
Interval
Item to
Procedure
Not Fully Mission
No.
Check/
Capable If:
Service
17
Semi-
Electric
a.
Wire lead frayed or
Annually
Heaters
broken, or sheath
b.
Inspect for frayed or broken wire leads. If
damaged.
damaged, repair or replace as needed
c.
Check that the mounting hardware is
secure and tighten if loose.
d.
Inspect heater sheath for deformation,
burnt spots, or cracks. If damaged, replace
e.
18
Semi-
Expansion
a.
Inspect the expansion valve for evidence of
Evidence of leak is found,
Annually
Valve
refrigerant leak. If evidence or leak is
sensing bulb is loose on
found, notify direct support maintenance to
tubing, or capillary line is
replace it.
kinked or broken.
b.
Inspect the sensing bulb capillary line for
cracks, kinks, or breaks. If damaged, notify
direct support maintenance to replace the
expansion valve.
c.
Check that the sensing bulb mounting
hardware is secure and the bulb is in
contact with the tubing. Tighten the
mounting hardware if loose.
d.
4-21