Table 5-5. Organizational Troubleshooting Chart-Continued
TEST OR INSPECTION
2. DIRECTION OF HOIST DRUM ROTATION IS OPPOSITE OF DIRECTION INDICATED BY HOIST CONTROL.
Interchange any two of input power leads to control. (See paragraph 2-19.) Check that resulting direction of
drum rotation is now the same as that indicated by the hoist control.
If, after interchanging input power leads, drum continues to rotate in opposite direction, refer to higher level of
3. ELEVATOR ASSEMBLY OR CARRIAGE DOES NOT RIDE SMOOTHLY ON TRACKS.
Step 1. Inspect tracks for alignment.
Realign all tracks if necessary.
Step 2. Check for loose cam follower hardware.
Tighten all cam follower hardware.
Step 3. Inspect cam follower blocks for defects.
Replace defective cam follower blocks.
Section VI. MAINTENANCE OF ANTENNA TOWER TS-1A
5-9. GENERAL. This section contains instructions for
(1) Do not use tower or elevator hoists as
organizational maintenance of the Antenna Tower TS-
hoists for persons. Required safety devices are not
1A. Organizational maintenance includes:
provided for these hoists.
(2) When working on structural tower, use
safety climbing belts and hold tools and materials in
a. Removal and replacement
of parts and antenna.
Pass tools and materials by using
b. Disassembly of major components.
appropriate containers or ropes.
c. Cleaning of all equipment.
(3) Truck winch and winch cable must have a
minimum work load rating of 1 ton. Winch truck must
be capable of effectively braking, lowering, and safely
holdings this 1-ton load.
a. Safety Precautions.
Observe the following
(4) There shall be at least two full wraps of
precautions before and during maintenance of the tower.
cable on drum of tower hoist during its operation.