TM-9-2320-328-13-P-1
HEMTT-BASED WATER TENDER (HEWATT)
TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3
MARCH 2009
TM-9-2320-328-13-P-1 - Page 57 of 1318
TM 9-2320-328-13&P-1
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END OF WORK PACKAGE
HEWATT M1158 CAPACITIES
Hydraulic Reservoir w/Filters (Pump Hydraulics):
11 gal. (41.6 l)
Hydraulic Pump Gear Case:
10 fl./oz. (0.29 l)
Water Tank (HEWATT):
2,500 gal. (9,463 l)
Portable Water Tank:
2,500 gal. (9,463 l)
Foam Tank:
50 gal. (189.3 l)
Pump Priming Tank:
1.5 qt.
Water Pump Gear Case:
1 qt. (0.9 h)
HEWATT M1158 WATER PUMP
Make:
Darley
Model:
HH500
Type:
Single Stage, Centrifugal, Hydraulic PTO Powered Drive Package, Mechanical Seals
Flow Rate:
500 GPM (1892.7 l/min) at 150 psi (1034.2 kPa).
HEWATT M1158 WATER DISCHARGE CAPABILITIES
Bumper Turret:
250 GPM (946 l/min) at 190 psi (1,310 kPa)
Side Discharges:
250 GPM (946 l/min) at 150 psi (1,034 kPa)
Hose Reel:
60 GPM (227.1 l/min) at 190 psi (1,310 kPa)
Under Truck Nozzles:
Four times 17 GPM (64.4 l/min) at 190 psi (1,310 kPa)
HEWATT M1158 FOAM SYSTEM DISCHARGE CAPABILITIES
Class A Foam System:
500 GPM (1893 l/min) at 1.0% (Under Truck Nozzles)
500 GPM (1893 l/min) at 0.5% (Bumper Turret)
HEWATT M1158 WATER PUMP DISCHARGE PRESSURE
100% of Rated Capacity:
150 psi (1,034 kPa) net pump pressure
70% of Rated Capacity:
200 psi (1,379 kPa) net pump pressure
50% of Rated Capacity:
250 psi (1,724 kPa) net pump pressure
HEWATT M1158 ELECTRICAL SYSTEM
Voltage:
24
Alternator (amps):
130
RFI Suppression Ability:
Yes
Table 1.
Equipment Data. (Continued)
Model
Item
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