TM 5-6675-270-15
INTRODUCTION
Section I. GENERAL
maintenance levels are listed in and prescribed by
1-1. Scope
TM 38-750.
This manual contains instructions for the use of
operator, organizational, direct support, general
support and depot maintenance personnel main-
(ESC)
taining the Wild Heerbrugg Theodolites, Models
There are no ESC's applicable to the theodolite.
T16-MIL 66, Type II; T16-MIL 68, Type II; and
T16-68 DEG, Type I as allocated by the Mainte-
nance Allocation Chart. It provides information
Report of errors, omissions, and recommendations
on the operation, lubrication, preventive mainte-
for improving this publication by the individual
nance services, and maintenance of the equipment,
user is encouraged, Reports should be submitted
its accessories and components.
on DA Form 2028, Recommended Changes to
Publications, and forwarded direct to Command-
ing General, U.S. Army Mobility Equipment
Maintenance forms, records, and reports which
Command, ATTN: AMSME-MPP, 4300 Goodfel-
are to be used by maintenance personnel at all
low Boulevard, St. Louis, Mo. 63120.
Section II.
DESCRIPTION AND DATA
b. The horizontal and vertical circles on models
1-5. Description
T16-MIL 66 and T16-MIL 68 are graduated in
The Wild Heerbrugg Model T16 series theodolites
roils where as those on the model T16-68 DEG
are graduated in degrees.
type surveying and tracking instruments. They
have both vertical and horizontal circles calibrated
c. Models T16-MIL 68 and T16-68 DEG only
in roils (type II) and degrees (type I) for reading
have a telescope level assembly.
angle values. These readings are made through
d. Model T16-MIL 66 only has a telescope rear
the microscopic eyepiece (fig. 1-1 and 1-2),
located at the right of the telescope eyepiece. The
sight.
tribrach and base plate (fig. 1-5) support the
e. Differences exist in the telescope and micro-
main body of the instrument, which is readily
scope assemblies.
detachable from the tribrach. The latter contains
the leveling screws, circular level, tribrach clamp
f. Instructions contained in this manual are for
lever (fig. 1-7) and tribrach clamp knob (fig. 1-8).
all models except as otherwise specified.
Differences between models are as follows:
a. Identification. The theodolites have two
a. The configuration of the clamping assembly
identification markings. One appears on the the-
on the tribrach differs. Model T16-MIL 66 is
odolite hood and one on the right side cover of the
locked by a clamp lever which slides into locking
instrument. The data stenciled on the hood and
position; models T16-MIL 68 and T16-68DEG
engraved on the right side cover is listed in the
are locked by a clamping knob which is rotated
tabulated data.
180 and which is secured in position by a set-
screw.
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