TM 9-2350-247-34 COOLANT HEATER/PUMP DATA 0063 00 THIS WORK PACKAGE COVERS: Inspection-Acceptance and Rejection Criteria (page 0063 00–1). INITIAL SETUP: Maintenance Level Direct Support INSPECTION-ACCEPTANCE AND REJECTION CRITERIA 1. The engine coolant heater/pump specifications are listed in the following table. Table 1. EQUIPMENT DATA Description Characteristics Metric Equivalents Manufacturer Stewart Warner Model 939-J24 Part Number 11601698 Heat output Coolant High heat 15,000 Btu/hr 4.4 kW Low heat 8,000 Btu/hr 2.3 kW Operating temperature range (surrounding) -65 to +100 F -54 to +38 C Electrical requirements Operating voltage range 20 to 28.5 V Amperes draw - maximum above 70 F (21 C) Start 12.0 amp Run 1.5 amp Ampere draw - maximum below 70 F (21 C) Start 15.0 amp Run 3.5 amp Performance Fuel grades DF-1, DF-2, DFA, CIE, and JP-4 Fuel consumption: High heat (normal) 0.026 ± 0.005 lb/min 0.013 ± 0.003 kg/min Low heat (normal) 0.011 ± 0.003 lb/min 0.006 ± 0.002 kg/min Fuel pressure (at fuel valve inlet) 3 to 15 psi 21 to 103 kPa Fuel pump output pressure 3 to 6 psi 21 to 41 kPa Temperature settings: 0063 00-1