9. Water Heater Kit
Generator set Specifications 6910B-4, 6910C-4, 6910B-5 and 6910C-5 are equipped with a water
heater kit to heat the engine block and thus keep the coolant warm when the engine is shut down for ex-
tended periods of time in cold weather. This permits the engine to start more quickly. The water heater
kit is installed inside the enclosure of the generator set, and is connected to the cooling system of the die-
sel engine which drives the unit.
This water heater kit is illustrated as Figure 19 in Section 4-3. As illustrated in Figure 19, the heater unit
is mounted to the generator frame with a bracket and attaching hardware. Hoses, clamps, and fittings
connect the heater to the engine’s cooling system: heater input to the engine water inlet from the radiator;
heater output to the engine thermostat housing.
The heater element is connected to 115 VAC, 50 or 60 cycle line current by plugging an extension cord
into the weatherproof inlet
(Item 13, Figure 19)
that is mounted into the generator frame. A thermostat
turns the heater element ON at 140 deg. F
(60 deg. C)
and OFF at 160 deg. F
(71 deg. C).
Heated cool-
ant is circulated throughout the cooling system by a thermal siphoning action.
Mounted low in the system, a head pressure is maintained at the heater’s intake and a simple one-way
valve in the heater unit insures the direction of coolant flow.
CAUTION: DO NOT OPERATE THIS HEATER WHILE THE ENGINE IS RUNNING.
CAUTION: DO NOT RUN ENGINE WHILE THIS HEATER IS OPERATING.
CAUTION: DRAIN THE ENGINE COOLANT SYSTEM BEFORE WORKING ON THE HEATER.
AF-
TERWARDS, REFILL THE COOLING SYSTEM AND BLEED AT HIGHEST POINT TO REMOVE ANY
AIR LOCK.
OM-2028
May 1/91 Revised
1-1
Page 25
Содержание 6910
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Страница 14: ...This page intentionally left blank OM 2028 Introduction June 20 89 Revised Page 2 ...
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Страница 66: ...Engine Control Panel in Tilt out Position Figure 6 OM 2028 2 1 August 31 90 Revised Page 12 ...
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Страница 100: ...Test Receptacle Connector Termi nals Identification Figure 4 OM 2028 3 1 June 20 89 Revised Page 8 ...
Страница 128: ...Generator Set Figure 1 OM 2028 4 3 May 1 91 Revised Page 2 ...
Страница 130: ...Canopy Assembly Figure 2 OM 2028 4 3 May 1 91 Revised Page 4 ...
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Страница 134: ...Generator Set Without Canopy Figure 3 OM 2028 4 3 May 1 91 Revised Page 8 ...
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Страница 138: ...Radiator and Cooling System Group Figure 4 OM 2028 4 3 May 1 91 Revised Page 12 ...
Страница 140: ...Air Cleaner Assembly For units manufactured before and during August 1990 Figure 5 OM 2028 4 3 May 1 91 Revised Page 14 ...
Страница 142: ...Electric Governor Kit Figure 6 OM 2028 4 3 May 1 91 Revised Page 16 ...
Страница 144: ...Fuel Lines Assembly Figure 7 OM 2028 4 3 May 1 91 Revised Page 18 ...
Страница 146: ...Oil Line Assembly Figure 8 OM 2028 4 3 May 1 91 Revised Page 20 ...
Страница 148: ...Stator Terminal Panel Assembly Figure 9 OM 2028 4 3 May 1 91 Revised Page 22 ...
Страница 150: ...Power Module Panel Assembly Figure 10 OM 2028 4 3 May 1 91 Revised Page 24 ...
Страница 152: ...Control Box Assembly Figure 11 OM 2028 4 3 May 1 91 Revised Page 26 ...
Страница 154: ...Generator Controls Tray Assembly Figure 12 OM 2028 4 3 May 1 91 Revised Page 28 ...
Страница 156: ...Protective Relays Tray Assembly Figure 13 OM 2028 4 3 May 1 91 Revised Page 30 ...
Страница 158: ...Control Box and Internal Components Group Figure 14 OM 2028 4 3 May 1 91 Revised Page 32 ...
Страница 160: ...Engine Control Panel Assembly Figure 15 OM 2028 4 3 May 1 91 Revised Page 34 ...
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Страница 164: ...Output Terminal Board Assembly Figure 16 OM 2028 4 3 May 1 91 Revised Page 38 ...
Страница 166: ...Generator Assembly Figure 17 OM 2028 4 3 May 1 91 Revised Page 40 ...
Страница 168: ...Mounting Frame Assembly and Lifting Yoke Figure 18 OM 2028 4 3 May 1 91 Revised Page 42 ...
Страница 170: ...Water Heater Figure 19 OM 2028 4 3 May 1 91 Revised Page 44 ...
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