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TM 9-2320-364-34-2
6-74
6-10. DDEC II TIMING AND SYNCHRONOUS REFERENCE SENSOR
(TRS/SRS) REPLACEMENT/ADJUSTMENT (CONT).
NOTE
Dial indicator must be zeroed before piston downward travel can be measured. Perform
Steps (6) through (8) to measure downward travel.
(6)
Loosen thumbscrew and remove slotted spacer.
(7)
Lower dial indicator until two small dial hands (19) are at zero and large dial hand (18) is near zero.
Tighten thumbscrews.
(8)
Loosen screw and rotate outer ring of dial until zero lines up with large dial hand (18). Tighten screw.
(9)
Turn left camshaft (17) slowly counterclockwise until dial reads exactly 1.216 in. (30.89 mm).
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