
TM-9-2320-209-20-2-1 Troubleshooting Part 1 for M44A1 and M44A2 Series Trucks
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TM 9-2320-209-20-2-1 TABLE 6-26. HOT WATER HEATER TS PROCEDURES RESOURCES REQ'D TEST EQUIPMENT SUBSYSTEM SYMPTOM SUMMARY DETAILED 1. Cool or cold air at outlets Figure 92-1 Figure 91-1 1 — after engine has reached operating temperature 2. No air flow at heat outlet Figure 92-1 Figure 91-2 1 — 3. Blower motor does not Figure 92-1 Figure 91-3 1 — work — 4. Blower motor operates on Figure 92-1 Figure 91-4 1 — HI only — 5. No air flow at defroster Figure 92-1 Figure 91-5 1 . — 6. Blower operates in LO Figure 92-1 Figure 91-6 1 — only 7. Heat output too low Figure 92-1 Figure 91-7 1 . 6-31