TM10-3930-660-20 7-3. RADIAT0R -  SERVICE/REPLACE/TBST (Cont‘d) 6. 7. 8. 9. 10. e. Secure right-hand fan guard (26) to left-hand fan guard (27) with flatwasher (31), new lockwasher (30), and screw (29). PUSH AND INSTALL MALE CONNECTOR (23) OF PULSE TACHOMETER (24) INTO FEMALE CONNECTOR (25) OF VEHICLE WIRING HARNESS  . INSTALL ENGINE COOLING HOSES (19) AND (20) TO RADIATOR (2). a. b. Position upper engine cooling hose (19) on radiator (2) and secure with new clamp (21). Position lower engine cooling hose (20) on engine first, then on radiator  (2).   Secure with two new clamps  (22). INSTALL TRANSMISSION OIL COOLER HOSES (16) AND (17), AND TWO CONNECTORS (18) TO BOTTOM OF RADIATOR (2). INSTALL COUNTERWEIGHT, PARA. 15-3. FILL RADIATOR (2) AS DESCRIBED IN SERVICE SECTION OF THIS PARAGRAPH. 7-11