TM5-6675-296-14
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. CIRCLE AND MICROMETER IMAGES WILL NOT FOCUS
Microscope
eyepiece defective.
Remove eyepiece by turning counterclockwise. Replete eyepiece.
4. LIGHTS ON VERTICAL AND HORIZONTAL CIRCLES UNEQUAL OR ABSENT
Step 1. Horizontal circle or verticle illuminating mirror defective.
Remove mirrors by pulling output with a twisting motion.
Replace mirrors.
Step 2. Lamp fitting defective.
Replace fitting.
5. TRIPOD LEGS WILL NOT LOCK IN POSITION
Leg clamping Screws defective or missing.
Replace screws.
6. LEVELING SCREWS TOO TIGHT OR TOO LOOSE
Leveling screws dirty or worn.
Clean and lubricate the screws.
7. AUTOCOLLIMATING EYEPIECE FAILS TO ILLUMINATE (Model T2-46-C-MIL)
Step 1. Connections loose.
Tighten connections.
Step 2. Eyepiece defective.
Replace eyepiece.
Section VII. RADIO INTERFERENCE SUPPRESSION
This section is not applicable to this equipment.
Section VIII. MAINTENANCE OF CARRYING CASE, HAVERSACK
AND ACCESSORY CASE
when it ie in storage, The base has a recess in the
4-15. General
bottom which houses the desiccant container. The
This section covers the maintenance of the carrying
haversack is used to carry the theodolite when the
case, haversack and accessory case.
uee of the carrying caee alone is impractical.
4-16. Carrying Case
b. Hood.
a. The carrying case for the theodolite is
(1) Removal.
composed of a metal hood and base. The carrying
case rpovides a convenient means of carrying the
above clamping levers (2) and pull outward to
theodolite in the field and serves as a dustproof
release clamps.
and moistureproof container for the instrument
(b) Lift the hood (3) from the base (4).
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