TM-9-2350-277-20-5

TM 9-2350-277-20-5

REPAIR/REPLACE MORTAR FIRE CONTROL SYSTEM CABLES (MFCS)

(M1064A3 ONLY) — Continued

0812 14

11. Locate front engine side of turntable center beam. Measure 3.625 in. (9.2 cm) to right of center beam and 2.125 in. (5.4

cm) from bottom of support beam. Mark location and drill 0.159 in. (0.4 cm) hole (57) to 1.0 in. (2.54 cm) depth.

Thread hole with 10-32 tap.

12. Locate rear gunner’s side turntable access cover. Measure 12.125 in. (30.8 cm) from center front edge and mark

location. Measure 1.5 in. (3.8 cm) from first point and mark location. Scribe a half circle, which is 1.0 in. (2.54 cm)

deep, to connect both points. Notch out piece. File rough edges to remove burrs.

NOTE

Step 13 is written for original installation of cable bracket. If, after use, locking threaded

inserts are damaged, drill new holes approximately 0.5 in. (1.27 cm) to left of original holes and

install new locking threaded inserts.

13. Place a straight edge to the right of two standoffs (59) for the fuel valve cover. Pencil a vertical line between the two

standoffs. Measure 3.0 in. (7.6 cm) to left of vertical line and pencil another line. Measure up 3.0 in. (7.6 cm) from

sponsonplateandmarkpointofintersectionwithsecondvertical line. Measure up 1.75 in. (4.45 cm) and mark second

intersection point. Drill a 0.201 in. (0.51 cm) hole (58) at both points, to a depth of 1.0 in. (2.54 cm).

14. Install two locking threaded inserts (60) in two holes (58).

15. Install cable bracket (28), two lockwashers (45), and two hexagon head capscrews (18) in two holes (58).

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