TM 9-4520-257-12&P 0011 00
0011 00-4
Table 2. Preventive Maintenance Checks and Services for H-45 Type II (Liquid Fuel) Heater
Ite
m
No.
Interval
Item To Be
Checked Or
Serviced
Procedure
Equipment Not Ready/
Available If:
1
Before
Top Heater Shell
and Heater Body
Base (1)
Clean heater of foreign matter,
soot, or residue.
Check for bent flanges on top
heater shell.
Check for damaged bolts, loose or
missing wing nuts.
Lid assembly or stack pipe
cannot be installed.
2
Before
Base Heater Doors
(2)
Inspect doors for alignment.
Doors do not open.
3
Before
Stack Pipe
Assembly (3)
Inspect for dents. Clean soot from
pipe.
Pipes bent out of shape or do
not fit together.
4
Before
Stack Cap
Assembly (4)
Inspect tent lines and wire ropes
for damage.
Check cap for damage.
5
Before
Burner Shell
Assembly (5)
Check for bends, dents, and rough
edges.
Burner cannot be properly
mounted.
6
Before
High Fire Ring (6)
High fire ring not secured or fully
seated. Check for soot and
residue.
Loose, missing, or bent
retainers. High fire ring not
fully seated.
7
Before
Burner Up Tube (7)
and Burner Cap
Assembly (8)
Check for foreign matter, soot,
and residue.
Components not clean.
8
Before
Gravity Feed
Adapter (9)
Inspect gravity feed adapter for
missing or defective parts.
Any fuel leaks. Gravity feed
adapter damaged or parts
missing.
9
Before
Hose Assemblies
(10)
Inspect for cuts, punctures, and
serviceable fittings.
Any fuel leaks. Hose
assemblies damaged or
fittings unserviceable.
10
Before
Fuel Flow Control
(11)
Inspect for proper operation.
Control leaks or does not
operate properly.
11
Before
Fuel Can Stand (12) Check fuel can stand (12) for bent
legs (13) and damaged or missing
support arms (14). Check for
frayed or broken straps (15).
Check clip (16) to make sure it is
not broken or missing. If fuel can
stand is damaged replace it.
Stand cannot securely
support full fuel can.
