SECTION I IDENTIFICATION AND DESCRIPTION

TB 55-4920-428-35

SECTION I

IDENTIFICATION AND DESCRIPTION

1. Test Instrument Identification. This bulletin provides instructions for the calibration of the CH-47

Integrated Lower Control Actuator (ILCA) Bench Test Set, P/N 145GS278-1. TM 55-4920-428-13 was used as the

prime data source in compiling these instructions. The equipment being calibrated will be referred to as the TI

(Test Instrument) throughout the bulletin.

a. Model Variations.

None.

b. Time and Technique. The time required for this calibration is approximately 3 hours, using the dc, low

frequency and physical techniques.

DA Form 2416 (Calibration Data Card).

Forms, records, and reports required for calibration personnel at all levels are prescribed by TB 750-25.

DA Form 2416 must be annotated in accordance with TB 750-25 for each calibration performed.

Adjustments to be reported on DA Form 2416 are designated (R) at the end of the sentence in which they

appear. When adjustments are in tables, the (R) follows the designated adjustment. Report only those adjust-

ments made and designated with (R).

Calibration Description.

TX parameters and performance specifications which pertain to this calibra-

tion are listed in tables 1 and 2.

NOTE

Table 1. Calibration Description indicates performance specifications for not

modified test sets.

Table 2. Calibration Description indicates performance specifications for the

modified test sets.

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