TM 5-6675-306-14
Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
3-4. General
operation were continued.
All deficiencies and
shortcomings will be recorded, together with the
To insure that the theodolite is ready for operation at all
corrective action taken, on DA Form 2404 (Equipment
times, it must be inspected systematically so that
Inspection and Maintenance Worksheet) at the earliest
defects may be discovered and corrected before they
possible opportunity.
result in serious damage or failure. The necessary
3-5. Preventive Maintenance Checks and Services
preventive maintenance checks and services to be
performed are listed and described in paragraph 3-5.
This paragraph contains a tabulated listing of operator's
The item numbers indicate the sequence of minimum
periodic (daily) preventive maintenance checks and
inspection requirements. Defects discovered during
services.
The sequence numbers are listed
operation of the unit shall be noted for future correction,
consecutively and indicate the minimum requirements
to be made as soon as operation has ceased. Stop
for daily (D) and weekly (W) preventive maintenance,
operation immediately if a deficiency is noted during
respectively. Refer to table 3-1 for the preventive
operation which would damage the equipment if
maintenance checks and services.
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services
D-Daily
W-Weekly
Time required: 0.5
Time required: 0.1
Interval
ITEM TO BE INSPECTED
WORK
and
PROCEDURE
TIME
Sequence No
(M/H)
D
W
1
HAVERSACK
Clean dirty haversack
0.1
2
ACCESSORY CASE
Clean accessory case Check for missing components
0.1
3
TRIPOD ACCESSORY CASE
Check for missing components
0.1
4
BATTERY BOX
Replace defective batteries or missing spare lamps Check handlamp for proper operation
01
1
TRIPOD
Clean dirty tripod
0.1
5
CARRYING CASE
Check dessicant for proper color
0.1
Section IV. TROUBLESHOOTING
3-6. Scope
by listed corrective actions, you should notify higher
level maintenance.
a. This section contains troubleshooting or
c. Table 3-2 lists the common malfunctions that
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.
theodolite. Each malfunction or trouble symptom for an
You should perform the tests, inspections and corrective
individual component, unit, or system is followed by a
actions in the order 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
that may occur or all tests, or inspections, and corrective
listed in this table. notify the next
actions. If a malfunction is not listed or is not corrected
higher level of maintenance.
3-4
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