TM 9-2350-247-34
COOLANT HEATER/PUMP DATA
0063 00
THIS WORK PACKAGE COVERS:
Inspection-Acceptance and Rejection Criteria (page 0063 001).
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