TM 9-2350-247-34FINAL TEST — COOLANT HEATER — Continued 0064 00COOLANT SYSTEM2. Do not use more than 5 gallons (18.93 l) of coolant. Use same coolant as in carrier. Do not use water.3. Change coolant quickly. Allow coolant to cool between tests. The coolant system should have a shutoff valve (1).4. Vent the coolant container (2) for air. The coolant container may remain open or closed. Use of a thermo-siphon typeflow is allowed. No pump is required.ELECTRICAL WIRING5. Wire up heater (3) using regular wiring harness. Connect a multimeter (4) across circuit between hot lead of control box(5) and power source (6).6. Use a fully charged battery for power source.EXHAUST COLLECTOR7. Conduct heater exhaust away from test area. Use an exhaust extension made of flexible hose (7) not more than 10 feet(3.1 m) long.0064 00-3
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