TM 5-4520-240-14
CHAPTER 3
OPERATOR/CREW MAINTENANCE INSTRUCTIONS
Section I. LUBRICATION INSTRUCTIONS
No lubrication is required.
Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
3-1. General.
recorded, together with the corrective action taken, on
DA Form 2404 (Equipment Inspection and Mainte-
To ensure that the space heater is ready for operation
nance Worksheet) at the earliest possible opportunity.
at all times, it must be inspected systematically so that
defects may be discovered and corrected before they
3-2. Preventive Maintenance Checks and
result in serious damage or failure. The necessary pre-
Services.
ventive maintenance services to be performed are
NOTE
listed and described in table 3-1. Defects discovered
This heater does not require any lubrication, All bear-
during operation of the unit shall be noted for future
ings are permanently lubricated.
Refer to table 3-1 for a tabulated listing of preventive
correction, to be made as soon as operation has ceased.
maintenance checks and services which you must per-
Stop operation immediately if a deficiency is noticed
form. The item numbers are listed consecutively and
which would damage the equipment if operation were
indicate the sequence of minimum requirements.
continued. All deficiencies and shortcomings will be
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services
NOTE
Within designated interval, these checks are
to be performed in the order listed.
B-Before
Equipment is
Procedures
Not Ready/
Interval
Item to be
Check for and have repaired
I tern
Available if:
or adjusted as necessary
Inspected
No.
B
NOTE
Keep heater clean. Ensure that air inlet
and outlet are free of obstruction.
Make the following walk around checks:
1
Space Heater
Any fuel leakage is
a. Check for fuel leaks and damaged fuel lines.
found.
b. Check all external electrical connections for
proper installation and tightness.
NOTE
During starting and operation, check
for leaks. Check for loose, missing, or
cracked parts. Check for unusual
noise, and excessive vibration. Check
for improper or excessive cycling,
smoking exhaust, improper combus-
tion, or any indication of a failing or
defective component. If suspected,
notify organizational maintenance.
Change 2 3-1
