TM 5-6675-306-14
Section V. PREVENTIVE MAINTENANCE
4-7.
General
together with the corrective action taken, on DA Form
2404 (Equipment Inspection and Maintenance
To insure that the theodolite is ready for operation at all
Worksheet) at the earliest possible opportunity.
times, it must be inspected systematically so that
4-8.
Preventive
Maintenance
Checks
and
defects may be discovered and corrected before they
Services
result in serious damage or failure. The necessary
preventive maintenance checks and services to be
This paragraph contains a tabulated listing of
performed are listed and described in paragraph 4-8.
organizational periodic preventive maintenance checks
The item numbers indicate the sequence of minimum
and services.
The item numbers are listed
inspection requirements. Defects discovered during
consecutively and indicate the sequence of minimum
operation of the unit shall be noted for future correction,
requirements. A quarterly interval is equal to 3 calendar
to be made as soon as operation has ceased. Stop
months, or 250 hours of operation, whichever occurs
operation immediately if a deficiency is noted during
first. Refer to table 4- 2 for the preventive maintenance
operation which would damage the equipment if
checks and services.
operation were continued.
All deficiencies and
shortcomings will be recorded,
Table 4-2. Organizational Preventive Maintenance Checks and Services
Q - Quarterly
Total man-hours required: 0.9
Sequence
ITEMS TO BE INSPECTED
Work
number
PROCEDURE
time
(M/H)
1
HAVERSACK
Clean dirty haversack. Replace defective haversack.
0.1
2
ACCESSORY CASE
Replace missing or defective components
0.1
3
TRIPOD ACCESSORY CASE
Replace missing or defective components.
0.1
4
BATTERY BOX
Replace defective batteries. Replace missing spare lamps. Replace defective handlamp.
0.1
5
TRIPOD
Repair or replace defective tripod.
0.2
6
CARRYING CASE
Replace discolored dessicant. Replace defective carrying case.
7
THEODOLITE
Clean dirty lenses, mirrors and level vials. Check eyepieces adjusting and clamping
0.2
. knobs of movement for freedom.
Section VI. TROUBLESHOOTING
4-9.
Scope
by listed corrective actions, you should notify higher
a. This section contains troubleshooting or
level maintenance.
malfunction information and tests for locating and
you may find during the operation or maintenance of the
correcting most of the troubles which may develop in the
theodolite or its components. You should perform the
theodolite. Each malfunction or trouble symptom for an
tests/inspections and corrective actions in the order
individual component, unit, or system is followed by a
listed.
list of tests or inspections necessary for you to
determine probable causes and suggested corrective
NOTE
actions for you to remedy the malfunction.
b. This manual cannot list all possible malfunctions
If you have a malfunction which is not
listed in this table, notify the next higher
that may occur or all tests or inspections, and corrective
level of maintenance.
actions. If a malfunction is not listed, or is not corrected
4-2
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