712 714A 714A 714A 714A 712 712 712 714A TM 1-1520-240-MTF 4-1 SECTION IV.    SPECIAL PROCEDURES GENERAL This   section   contains   special   procedures which were referenced in Section II. LIST OF PROCEDURES TITLE PAGE A.    AFCS BITE CHECKS 4-3 B.    SELF-TUNING ABSORBER SYSTEMS CHECK 4-5 C.    CONTROL BREAKOUT FORCES 4-6 D.    WINCH OPERATIONAL TEST 4-8 E.    LOOSENESS CHECK 4-11 F.    ROTOR PHASING 4-15 G. NO. 1 and NO. 2 ENGINE START 4-16 H. NO.1 and NO. 2 ENGINE START 4-19 I. P3 BELLOWS CHECK 4-21 J. NO. 1 and NO. 2 ENGINE RE- VERSIONARY START 4-21 K. POWER ASSURANCE CHECK (PAC) 4-23 L. POWER ASSURANCE TEST BASELINE and TRIGGER VALUE (PAT) 4-27 M. INTERSTAGE AIR-BLEED SPEED ADJUSTMENT 4-31 N.    AFCS CHECK 4-33 O.    HEATING/VENT BLOWER OPERATION 4-34 P.    CARGO HOOK OPERATIONAL CHECK 4-35 Q.    TRACKING and BALANCING PROCEDURES 4-37 R.    ENGINE VIBRATION CHECK 4-37 S. ACCELERATION CHECK 4-37 T. TURBINE ENGINE ANALYSIS CHECK (TEAC) 4-39 U.    DIFFERENTIAL CURRENT PROTEC- TION CIRCUIT CHECK 4-45 V.    CARGO RAMP AND DOOR CHECK 4-46