TM10-3930-660-20 18-25. BOON HYDRAULIC HOSE AND ELECTRICAL CABLE TENSION - ADJUST (Cont’d) CHECKING AND ADJUSTING TENSION OF  BOOM HYDRAULIC HOSES AND ELBCTRICAL CABLE 1. FULLY EXTEND BOOM AND PLACE IN HORIZONTAL POSITION, TM10-3930-660-10. 2. REMOVE FOUR BOLTS (1), FOUR LOCKWASHERS (2), AND BOOM COVER (3) 3. FROM REAR OF BOOM. DISCARD LOCKWASHERS (2). CHECK TENSION OF BOOM HYDRAULIC HOSES (4)  AND  ELECTRICAL  CABLE  (5). a. b. Loosen two jamnuts (6) at hose tension plate (7). Adjust hose tension bolts (8) at hose tension plate (7) until compressed length of hose tension springs (9) is 2-1/4 to 2-1/2 inches  long. NOTE Ensure that boom hydraulic hoses (4) and boom electrical cable (5) are routed properly over hose tension plate (7) and over pulley assembly (10) at rear of boom. Two of the three hydraulic hoses (4) are identical in size. Ensure that these hoses are not crossed inside the boom. c. d. e. Pull on hydraulic hoses (4) at pulley assembly (10) and at hose tension plate (7) to check for slack in hoses (4). Pull on boom electrical cable at pulley assembly (10) and at tension plate (7) to check slack in cable (5). If slack is found in steps 3C and/or 3d, refer to step 4 of procedure for adjustment. (5 for this 18-97