TM-9-2815-200-35

ENGINE, WITH CONTAINER:TURBOSUPERCHARGED, DIESEL ,FUEL INJECTION ,90-DEGREE “V” TYPE, AIR - COOLED ,12 - CYLINDER , ASSEMBLY ;MODELS AVDS-1790-2M (2815-856-4996), AVDS-1790-2A AND AVDS-1790-2AM (2815-856-9005)

TECHNICAL MANUAL; DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS

TM-9-2815-200-35 - Page 359 of 779

(n) Turn the REJECT knob (o n

pulser / receiver unit) counterclockwise to

“OFF”. The echo pulse height will then return to

2-1 / 2 inches high.

(o) Remove the search fixture from the

master checking gage. The cylinder barrel tester

is now calibrated in preparation for cylinder

inspection.

Note.

Steps (f) through (o) above, should be

preformed twice each eight hour shift to assure

accuracy of the tester.

(2)

Cylinder inspection.

(a) Clean and degrease the cylinder bore.

Remove rust if present.

(b) Position the cylinder with the bore

facing upward using suitable protection for the

cylinder head. Insert plug, part No. 10935522

(fig. 6-55) in the cylinder bore until it bottoms.

Pour water into the cylinder and fill to about five

inches from the top. Refer to paragraph d (3)

(a).

Note.

Wipe all air bubbles from cylinder

walls. Bubbles may cause false alarm signal.

(

C

) Place the search fixture in the cylinder

with the fixture flange resting on the cylinder

mounting flange (figs. 6-56 and 6-57).

Figure 6-56. Positioning ultrasonic search

fixture in cylinder bore.

Figure 6-55. Installing plug - 10935522 in

cylinder bore.

6-65