TM10-3930-660-20 8-26. BOOM ELECTRICAL JUNCTION BOX ASSEMBLY - REPLACE (Cont’d) CAUTION Support cover (6) so that weight of cover (6) and autoleveling circuit board (7) is not supported by electrical leads (8) or cable (9) connected to board (7). 4. TAG AND DISCONNECT FOUR ELECTRICAL LEADS (8) AT AUTOLEVELER CIRCUIT BOARD  (7). 5. 6. a. b. Tag four electrical leads (8) at terminal strip (10) of board (7). Loosen four screws (11) on terminal strip (10) and remove four electrical leads (8). TAG AND DISCONNECT ELECTRICAL LEADS (12) AT BOOM ELECTRICAL JUNCTION BOX ASSEMBLY (l). a. Tag leads (12) at terminal strips (13)  inside  box  assembly  (l). b. Loosen screws (14) on terminal strips (13) and remove electrical leads  (12). REMOVE BOOM ELECTRICAL CABLE (15) AT BOOM ELECTRICAL JUNCTION BOX ASSEMBLY (1)  . a. Cut two tie straps (16) on boom electrical cable (15) where cable (15)  enters  box  assembly  (l). Discard tie straps (16). b. Carefully pull cable (15) from box assembly  (l). 8-68