CHAPTER 4
DIRECT AND GENERAL SUPPORT AND
DEPOT MAINTENANCE INSTRUCTIONS
Se c t ion I . GEN ERAL
b. Report all equipment improvement recom-
3 1 . Sc ope
mendations as prescribed by TM 38-750.
a. These instructions are published for the
use of direct and general support and depot
3 2 . Re c ord a nd Re port Form s
maintenance personnel maintaining the survey-
For record and report forms applicable to
ing target set. They provide information on the
direct and general support and depot mainte-
maintenance of the equipment that is beyond
nance, refer to TM 38-750.
the scope of tools, equipment, personnel, or
Note. Applicable forms, excluding Standard Form
supplies normally available to organizational
46 which is carried by the operator, will be kept
maintenance.
in a canvas bag mounted on the equipment.
Se c t ion I l. DESCRI PT I ON AN D DAT A
b. Time Standards. Table 1 lists the number
3 3 . De sc ript ion
of man-hours required under normal conditions
For a complete description of the surveying
for various operations in the maintenance and
target set, refer to paragraph 3.
repair of the surveying target set. The man-
hours listed are not intended to be rigid
3 4 . T a bula t e d Da t a
standards. Under adverse conditions, the
operations will take longer; but under ideal
a. General. Tabulated data for the surveying
conditions with highly-skilled mechanics, most
target for direct and general support and depot
of the operations can be accomplished in con-
maintenance is not required.
siderably less time.
Table 1. Time Standards
Hours
Hours
Removal and replace
Removal and replace
6703 Mechanical, Structural, and Precision
18 BODY, CAB, HOOD AND HULL
Parts:
1808 Carrying Cases:
Case, carrying_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 0.2
Base assembly, target
67 PRECISION INSTRUMENTS AND SYSTEMS
(with tribrach removed)_ _ _ _ _ _ 0.3
6700 Target Set:
6705 Lamps:
Tribrach assembly _ _ _ _ _ _ _ _ _ _ _ _0.6
Lamp _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _0.1
(includes leveling)
6713 Miscellaneous Wiring and Fittings:
6702 Optics:
Illumination assembly _ _ _ _ _ _ _ _ _ _ 0.2
Objective assembly, tribrach _ _ _ _ _ _0.6
Cable assembly, extension _ _ _ _ _ _ _ _ _0.1
Target frame assembly
(includes alinement) _ _ _ _ _ _ _ _ _ _ _0.6
6718 Level:
Plummet eyepiece assembly
Level assembly, circular
(includes removing and installa-
(with tribrach and base plate
tion of tribrach and lock plate) 1.6
removed) _ _ _ _ _ _ _ _ _ _ _ _ _ _0.2
(includes adjustment)
Level assembly, horizontal _ _ _ _ _ _ _ _ _ 0.3
Reticle assembly, tribrach _ _ _ _ _ _ _0.3
AGO 10139A