TM-9-2350-261-34
CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
TM-9-2350-261-34 - Page 542 of 785
TM 9-2350-261-34
ENGINE COOLANT HEATER DATA
0069 00
THIS WORK PACKAGE COVERS:
The engine coolant heater specifications are listed in the following table.
INITIAL SETUP:
Maintenance Level
Direct Support
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
22 C
Start
12.0 amp
Run
1.5 amp
Amperes draw (maximum below)
70 F
22 C
Start
15.0 amp
Run
3.5 amp
Performance:
Fuel
grades DF-1, DF-2, DFA,
CIE, and JP-8
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)
3to15psi
21 to 103 kPa
Fuel pump output pressure
3to6psi
21 to 41 kPa
Temperature settings:
Overheat thermostat (opens)
245 F
118 C
Restriction thermostat setting
160 F
71 C
Dimensions and weight:
Height
10 in.
Length
15-5/16 in.
Width
6-3/16 in.
Weight
15 lb
Coolant pump:
Manufacturer
MP Pumps, Inc.
Model
12245
Part number
10946835
Electrical requirements:
Operating voltage range
20 to 28.5 V
Ampere draw
2.0 amp
Output
12 to 16 gpm
45 to 61 liters/min
Weight (maximum)
10 lb
5kg
END OF TASK
0069 00-1/2 blank
6.81 kg
15.71 cm
25.40 cm
38.89 cm
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