Section I. GENERAL
3-2. Tools, Test Equipment, and Materials
a. This chapter includes the instructions for
organizational maintenance of Radiosonde Re-
The tools, test equipment, and materials re-
quired are listed in the basic issue items list (TM
b. Organizational maintenance of t h e
11-6660-204-10), repair parts and special tools list
radiosonde recorder includes --
(TM 11-6660-204-25P and TM 11-6660-204-24P-1)
(1) Lubrication instructions (sec. II).
and the Maintenance Allocation Chart (Appen-
(2) Preventive Maintenance (sec. III).
dix B). In addition to items listed above, a supply
(3) Organizational troubleshooting (sec. IV).
(4) Adjustments, repair, replacement, and
of lint free cloths and isopropyl alcohol are
testing (sec. V).
Section II. LUBRICATION INSTRUCTIONS
b. On Frequency-Time Recorder RD-88C/
3-3. Lubrication Requirements
TMQ-5 (fig. 3-3), once each month apply 1 drop of
light low temperature machine oil to the oilholes
All moving parts are lubricated by the manufac-
in the hubs of each of the ratchet wheels in the
turer and require no further lubrication except
three-speed chart drive mechanism.
for the multispeed chart drive mechanisms.
a. On Frequency-Time Recorder RD-88A/
Do not use any lubricant on the recorder
TMQ-5 and TD-88B/TMQ-5, once each month
mechanism except as stated above; lubri-
apply 1 drop of light low temperature machine oil
cants collect dust that impairs the operation
to the oilhole in the hub on each of the two
of the recorder.
ratchet wheels, 0729 and 0830 (figs. 3-1 and 3-2).