TP-6881 7/15 11Section 1 Specifications
Section 1 Specifications
1.1 Introduction
The specification sheets for each generator set provide
specific generator and engine information. Refer to the
generator set specification sheet for ratings and other
data not supplied in this manual. Consult the generator
set installation manual, engine operation manual, and
engine service manual for additional specifications.
Consult the generator set nameplate for specific
generator set ratings.
1.2 Controller Specifications
Model 8RESV, 10RESV, and 12RESV generator sets
are equipped with the RDC2 controller. Model 8RESVL,
10RESVL, and 12RESVL generator sets are equipped
with the DC2 controller. For a specific description of the
controller, see the generator set operation manual.
Environmental Specification All Models
Operating temperature
-- 3 0 _ to 70_C
Storage temperature
-- 4 0 _ to 85_C
Humidity 0--95% condensing
Power requirements:
Voltage 12 VDC
Current (standby state)
250 mA @ 12 VDC
1.3 Engine Service
Model 8RESV(L) Generator sets covered in this manual
are equipped with four-cycle, single cylinder, air-cooled
Kohler engines.
Models 10RESV(L) and 12RESV(L) Generator sets
covered in this manual are equipped with four-cycle,
twin cylinder, air-cooled Kohler engines.
For engine service information and specifications not
covered in this manual, s ee the engine service manual.
See the List of Related Materials in the Introduction
section.
1.4 Engine Specifications
Engine Specification 8RESV(L) 10/12RESV(L)
Manufacturer Kohler
Model SV620 KT725
Cycle 4 4
Number of cylinders 1 2
Compression ratio 8.5:1 9.0:1
Displacement,
cc (cu. in.)
597 (36.4) 725 (44)
Rated power, propane
fuel, kW (HP)
8 (10.7)
10RESV =
10 (13.4),
12RESV =
12 (16.1)
Rated power, natural
gas, kW (HP)
7 (9.4)
10RESV =
9 (12.1),
12RESV =
11 (14.8)
Rpm, 60 Hz 3600
Bore x stroke, mm (in.)
94 x 86
(3.7 x 3.44)
83 x 67
(3.3 x 2.6)
Valve material Steel
Cylinder block material Aluminum
Cylinder head material Aluminum
Piston rings 2 compression/ 1 oil
Crankshaft material Heat-treated ductile iron
Main bearings: number,
type
2, parent material
Lubrication system Full pressure
Oil capacity (w/filter),
L (qt.)
1.5 (1.6) 1.9 (2.0)
Oil pressure, kPa (psi) 172--241 (25--35)
Fuel system LPG or natural gas
Minimum fuel supply
pressure, kPa (in. H
2
O)
LPG = 1.7--2.7 (7--11),
NG = 0.87--2.7 (3.5--11)
Battery voltage 12 VDC
Battery ground Negative
Spark plug gap, mm (in.) 0.508 (0.020)
Ignition system Capacitor discharge
Starter motor Electric, solenoid shift
Cooling system Air-cooled
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