Ice Vest Not Circulating Coolant

TM 10-8415-208-12 Table 3-1. Unit Troubleshooting (Cont) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 4. Ice Vest Not Circulating Coolant Step 1. Check that on/off switch (3) is ON Turn ON on/off switch (3) Step 2. Check that battery connector (4) and pump connector (5) are connected Connect battery connector (4) and pump connector (5) Step 3. Check that a charged battery has been installed Recharge or replace the battery. Refer to paragraph 3-8. 3 Step 4. Check that temperature regulating valve (6) is open Open temperature regulating valve (6) Step 5. Check if pump (7) is running If pump (7) is malfunctioning, replace the ice vest Step 6. Inspect coolant supply tubing (8) for blockage Remove blockage from tubing (8) Step 7. Ice vest continues to malfunction Replace the ice vest. Notify your supervisor 3-8