NOTE Perform steps 83 through 87 for vehicles built with serial Nos. up to 504923 only. 83. Install quick-start valve (21) on quick-start bracket (14) with clamp (18), chain with plug (20), and two screws (19). 84. Connect quick-start valve connector (17) to harness plug with leads 569-A and 569-B (16). 85. Tighten wingnut (13) on clamp (15). 13 14 15 16 17 18 19 20 21 19 TM 9-2320-386-24-1-2 0302 00 CYLINDER HEAD (IN-VEHICLE) MAINTENANCE (Contd) 0302 00-33