TM10-3930-660-20 8-20. FORK AUTOLEVBLER CIRCUIT BOARD - TEST/REPLACE (Cont’d) Refer to REMOVAL and INSTALLATION sections of this paragraph for replacement of fork autoleveler circuit board. Refer to Para. 8-21 for replacement of fork autoleveler switch. REMOVAL 1. DISCONNECT BATTERIES, PARA. 8-44. 2. LOOSEN FOUR SCREWS (3) AND PULL COVER (4) FROM BOX (2). CAUTION Support cover (4) so that weight of cover (4) and circuit board (1) is not supported by electrical leads (5) attached to board (l). 3. 4. 5* 6. UNSCREW COLLAR (8) ON AUTOLEVELER CABLE (9) AT BOX (2) AND REMOVE AUTOLEVELER CABLE (9) FROM CONNECTOR (lo) . REMOVE FOUR SCREWS (11) AND FOUR LOCKWASHERS  (12)  SECURING  CONNECTOR (10) AND ELECTRICAL CABLE (13) TO BOX (2). DISCARD LOCKWASHERS (12). TAG FOUR ELECTRICAL LEADS (5) AT TERMINAL STRIP (14) OF CIRCUIT BOARD (l). LOOSEN FOUR SCREWS (15) ON TERMINAL STRIP (14) AND REMOVE LEADS (5)  FROM  TERMINAL  STRIP  (14). IF NECESSARY, REMOVE FOUR SCREWS (15) AND FOUR LOCKNUTS (16) SECURING CIRCUIT BOARD (1) TO COVER (4). REMOVE BOARD (1) FROM COVER (4). DISCARD LOCKNUTS (16). 8-48