R E P A I R R A D I A T O R

C H A P T E R 5 M A I N T E N A N C E O F C O O L I N G S Y S T E M

TM-9-2350-261-34 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-34 R E P A I R R A D I A T O R DESCRIPTION This task covers: Clean and Inspect (page 5-2). Test Radiator For Leaks (page 5-2). Flush Radiator (page 5–3). Test Radiator For Flow (page 5-3). Repair (page 5-3). Rodding (page 5-4). INITIAL SETUP Tools: Metal Worker’s Tool Kit (Item 61, App B) Industrial Goggles (Item 37, App B) Radiator Flow Test Machine (Item 34, App B) Radiator Test Plug Set (Item 75, App B) Radiator Test Stand (Item 91, App B) Scratch Wire Brush (Item 11, App B) Utility Apron (Item 5, App B) Materials/Parts: Solder (Item 80, App C) Soldering flux (Item 77, App C) Personnel Required: Metal Worker 44B10 References: See your -20 TM 750-254 TB SIG 222 TM 9-237 Equipment Conditions: Radiator removed from carrier (see your -20) CLEAN AND INSPECT TEST RADIATOR FOR LEAKS 1. 2. Clean radiator. See TM 750-254. Use safety goggles, rubber gloves and rubber apron. Inspect radiator. Check upper and lower tanks (1), side brackets (2), tubes and fins (3). If damage is minor, pressure test radiator. If damage is major, see repair instructions to determine if radiator can be repaired. 3. 4. 5. 6. 7. W A R N I NG Radiator can burst if over pressurized. Do not exceed 25 psi (172 kpa) air pres- sure. Ensure radiator is submerged before applying air pressure. Always wear safety goggles. Plug auxiliary tank connector opening (4). Use radiator test plug set. Plug radiator outlet opening (5). Use radiator test plug set. Connect regulated air supply from radiator test stand to inlet opening (6). Submerge radiator in radiator test stand. Apply 20–25 psi ( 137–172 kPa) air pressure to radiator. If air bubbles appear, repair radiator (see steps 16-21). 5-2

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