TM 1-1520-238-239-1749.51. PILOT INSTRUMENT PANEL MATRIX REMOVAL/INSTALLATION – continuedf. Detach three brackets (44) from matrix (1).(1) Loosen three nuts (45).(2) Remove three screws (46) and washers (47).NOTEFor aircraft serial numbers 82-23355 thru84-24230, go to step g. For aircraft serialnumbers 84-24231 and subsequent, per-form step h.g. Remove matrix (1) from pilot instrument pan-el (48).(1) Remove eight screws (49) and washers (50).(2) Remove four screws (51), washers (52), andspacers (53).h. Remove matrix (1) from pilot instrument panel(48).(1) Remove eight screws (49) and washers (50).(2) Remove two screws (54) and spacers (55).9.51.4. Cleaninga. Wipe removed and attaching parts with a cleanrag.9.51.5. Inspectiona. Check removed and attaching parts for dam-age (para 9.1).b. Check wires for chafing, cuts, breaks, anddamaged terminal lugs (para 9.1).c. Check connectors and receptacles for cracks,broken connections, and bent or damagedpins (para 9.1).d. Check removed and attaching parts for corro-sion (para 1.49).GO TO NEXT PAGE1485153M04-3684-846475049454452M04-3684-755544814950
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