TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 140 of 953
TM 9-2320-280-20-2 3-64. SURGE TANK REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: Tools Manual References General mechanic’s tool kit: TM 9-2320-280-24P automotive (Appendix B, Item 1) Equipment Condition Cooling system drained as required (para. 3-60). NOTE Tag hoses prior to disconnection. When current stocks of the four-quart surge tank (12340062) are exhausted, the four and one-half quart surge tank (12340061) will be provided in ita place. When replacing the four-quart surge tank (12340062) with the four and one-half quart surge tank (12340061), the existing surge-tank-to-lower-radiator tube hose (12339163) can be used by cutting approximately four inches from surge tank end of hose. a. Removal 1. Loosen clamp (3) and disconnect surge tank-to-radiator vent hose (6) from surge tank (2). 2. Loosen clamp (4) and disconnect surge tank-to-water crossover vent hose (5) from surge tank (2). 3. Loosen clamp (9) and disconnect surge tank-to-lower radiator hose (8) from surge tank (2). 4. Open two clamps (1) on surge tank (2) and bracket (10). 5. Disconnect surge tank overflow hose (7) and remove surge tank (2). b. Installation 1. Install surge tank (2) on bracket (10) with two clamps (1). 2. Connect surge tank-to-lower radiator hose (8) to surge tank (2) with clamp (9). 3. Connect surge tank-to-water crossover vent hose (5) to surge tank (2) with clamp (4). Tighten clamp (4) to 10-20 lb-in. (1-2 Nom) 4. Connect surge tank-to-radiator vent hose (6) to surge tank (2) with clamp (3). Tighten clamp (3) to 10-20 lb-in. (1-2 N*m). 5. Connect surge tank overflow hose (7) to surge tank (2). FOLLOW-ON TASK Fill cooling system (para. 3-60). 3-118