TM 5-6675-307-14
Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
3-4.
General
corrective action taken, on DA Form 2404 (Equipment
Inspection and Maintenance Worksheet) at the earliest
To insure that the theodolite is ready for operation at all
possible opportunity.
times, it must be inspected systematically so that
defects may be discovered and corrected before they
3-5.
Preventive
Maintenance
Checks
and
result in serious damage or failure. The necessary
Services This paragraph contains a tabulated listing of
preventive maintenance checks and services to be
operator/crew periodic (daily) preventive maintenance
The item numbers indicate the sequence of minimum
checks and services. The sequence numbers are listed
inspection requirements. Defects discovered during
consecutively and indicate the minimum requirements
operation of the unit shall be noted for future correction,
for daily (D) and weekly (W) preventive maintenance,
to be made as soon as operation has ceased. Stop
respectively. Refer to table 3-1 for the preventive
operation immediately if a deficiency is noted during
maintenance checks and services.
operation which would damage the equipment if
operation were continued.
All deficiencies and
shortcomings will be recorded, together with the
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services
D-Daily 0.6
W-Weekly
Time required: 0.6
Time required:
Interval
Item to be inspected
Work
and
procedure
time
sequence no.
(M H)
D
W
CARRYING CASE
1
Inspect the carrying case for dents, cracks, and breaks. Be sure the instrument fits
0.1
securely in the base assembly. Inspect to see that the theodolite hood clamps tightly to
the ground plate. Check desiccant for proper color.
THEODOLITE
2
Inspect the theodolite for broken or missing parts, cracked or scratched lenses and
0.1
mirrors, loose or missing hardware, and other signs of damage.
KNAPSACK
3
Inspect the knapsack for rips or tears, missing straps or buckles.
0.1
TOOL AND ACCESSORY CASE
4
Inspect the accessory case for rips, tears, defective zipper, and other damage. Be sure
0.1
all inside pockets are in good condition
BATTERY CASE
5
Inspect the battery box for dents, cracks, missing or broken clamps, and other damage.
0.1
TRIPOD
6
Inspect for missing components and damage.
0.1
Section IV. TROUBLESHOOTING
3-6.
Scope
probable causes and suggested corrective actions for
a. This section contains troubleshooting or
you to remedy the malfunction.
malfunction information and tests for locating and
b. This manual cannot list all possible malfunctions
correcting most of the troubles which may develop in the
that may occur or all tests or inspections, and corrective
theodolite. Each malfunction or trouble symptom for an
actions. If a malfunction is not listed or is not corrected
individual component, unit, or system is followed by a
by listed corrective actions, you should notify higher
list of tests or inspections necessary for you to
level maintenance.
determine
3-4