TM 1-1520-238-23
16-48
Change 8
16.8.
PYLON RACK EJECTOR TEST SET INSTALLATION/REMOVAL
16.8.1. Description
This task covers:
Calibration. Installation. Removal.
16.8.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Pylon ejector test set (item 356, App H)
Personnel Required:
68X
Armament/Electrical System Repairer
References:
TM 1-1520-238-T
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
16.3
Pylon rack ejector impulse cartridge re-
moved
16.8.3. Calibration
a. Prepare pylon ejector test set for use.
(1) Detach two covers (1) one from each end of
case (2).
(2) Remove tester (3) and calibration block (4).
b. Calibrate tester (3).
(1) Press plunger tip (5) firmly against ZERO
SET side of block (4).
(2) Unscrew retaining ring (6) and remove lens
(7) if pointer (8) does not read zero. Turn
pointer (8) counterclockwise to zero while
pressing plunger tip (5) against ZERO SET
side of block (4). Install lens (7) and retaining
ring (6).
(3) Firmly press tip (5) against calibration block
(4), using 0.050 CHECK side of block (4).
Ensure pointer (8) reads between 0.048 and
0.052.
(4) Return block (4) to case (2).
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