TM10-3930-660-20 8-48. BOOM ELECTRICAL  CABLE- TEST/REPLACE/REPAIR (Cont‘d) 7. 8. 9. 10. 11. 12. c. Secure cable (12) to underside of outer boom with cable clamp halves (25), cover plates (24), new lockwashers (23), and capscrews (22) . ADJUST TENSION OF CABLE (12) AT TENSIONER (21). a. Adjust two capscrews (19) until length of compressed spring (x) is between 2-1/4 and 2-1/2 inches long. b. Tighten two jamnuts (19) after adjusting two capscrews (20). INSTALL NEW TIE STRAP (34) TO END OF SLEEVE (35) INSIDE BOOM. INSTALL CLAMP HALVES (33), CABLE GUIDE BRACKET (32), TWO NEW LOCKWASHERS (31), AND TWO CAPSCREWS (30) TO SECURE CABLE (12) TO BOOM. PLUG BOOM ELECTRICAL CABLE (12) INTO CONNECTOR (29). CHECK FOR PROPER INSTALLATION OF BOOM ELECTRICAL CABLE (12). a. b. c. d. e. Connect batteries, para. 8-44. Start  engine. Test all boom and attachment functions to ensure proper cable installation. Check that cable and hoses track properly in the boom. Check boom hose and cable tension and adjust, if necessary. POSITION COVER (28) ON REAR OF OUTER BOOM AND SECURE WITH FOUR NEW LOCKWASHERS (27) AND FOUR CAPSCREWS (26). 8-151