TM 9-4520-257-12&P                                                      0007 00 OPERATOR AND UNIT MAINTENANCE H-45 LARGE RADIANT SPACE HEATER (TYPE I, SOLID FUEL)   NSN 4520-01-354-1191 (TYPE II, LIQUID FUEL) NSN 4520-01-329-3451   TROUBLESHOOTING INDEX                                                  0007 00-1/(2 Blank) INTRODUCTION TO TROUBLESHOOTING The troubleshooting index lists common malfunctions that may occur during heater inspection and operation.  Find the malfunction the heater is having in the index and go to the given troubleshooting procedure in WP 0008 00, “Troubleshooting Procedures.” These charts cannot list ALL of the malfunctions that may occur, tests or all inspections needed to find the fault, nor actions required to correct the fault.  If your malfunction is not listed in or correctable through this troubleshooting index, notify your unit maintenance or your supervisor. WARNING The H-45 heater must be shut off and allowed to cool down before any maintenance is performed.  Severe burns from contact with heated parts may result. TROUBLESHOOTING INDEX (OPERATOR) Malfunction or Symptom Refer to Troubleshooting Procedure H-45 Type I (Solid Fuel) Heater Table 1 Draw gate will not move 1 Heater does not operate properly 2 Excessive dark smoke   3 H-45 Type II (Liquid Fuel) Heater Table 2 Burner does not fire 1 Heater does not operate properly 2 Excessive dark smoke 3 TROUBLESHOOTING INDEX (UNIT MAINTENANCE) Malfunction or Symptom Refer to Troubleshooting Procedure H-45 Type II (Liquid Fuel) Heater Table 3 Heater does not start or sputters and misfires during operation 1 H-45 TYPE I (SOLID FUEL) Heater No Troubleshooting procedures for Solid Fuel mode at the Unit level. If Operator Troubleshooting did not correct the problem, replace the heater. END OF WORK PACKAGE