Generator Set Specifications; Engine - Kohler 8.5RMY Service Manual

Industrial generator sets

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Operation and installation manual (52 pages)

Table Of Contents

Table of Contents

1.4 Generator Set Specifications

See Figure 1-2 for generator set specifications. Consult

the generator set nameplate for specific generator set

ratings.

1.5 Engine

The 8.5/11RMY generator sets are equipped with

four-cycle, twin cylinder, air-cooled Kohler engines.

Some of the engine features include:

One-side serviceability of air cleaner, carburetor, oil

fill, dipstick, and oil drain.

Efficient overhead valve design and full pressure

lubrication for maximum power, torque, and reliability

under all operating conditions.

Electronic governor to ensure AC power output is

maintained at desired frequency.

Model

Voltage

8.5RMY

120/240

8.5RMY

110/220

11RMY

120/240

11RMY

110/220

RATINGS: Standby ratings are continuous for the duration of any power outage. No overload capacity is specified at this rating. All single-phase units are rated at 1.0 power factor. DERA-

TION: Maximum altitude before generator deration, ft. (m): 1000 (305). Altitude deration factor, % per 1000 ft. (305 m): 3.0. Maximum intake air temperature before generator deration, _F

(_C): 60 (16). Temperature deration factor, % per 10_F (5.5_C): 2.0. Standard reference conditions are 25_C (77_F) and 100 kPa (29.5 in. Hg) total barometric pressure per ISO 85-28-1.

GENERAL GUIDELINES FOR DERATING: Maximum altitude before generator deration, ft. (m): 1000 (305). Altitude deration factor, % per 1000 ft. (305 m): 3.0. Maximum intake air

temperature before generator deration, _F (_C): 60 (16). Temperature deration factor, % per 10_F (5.5_C): 2.0.DERATING: ALTITUDE: Derate 4% per 305 m (1000 ft.) elevation above 153 m

(500 ft.). TEMPERATURE: Derate 1% per 5.5_C (10_F) temperature increase above 25_C (77_F). Derate applies to actual conditions at the carburetor inlet. Availability is subject to change

without notice. Kohler Co. reserves the right to change the design or specifications without notice and without any obligation or liability whatsoever. Contact your local Kohler Co. generator

distributor for availability.

Figure 1-2 Generator Set Specifications

Section 1 Specifications

Phase

Generator Model

2F4

Overspeed shutdown to prevent governed frequency

from exceeding 70 Hz.

Low oil pressure cutout to prevent failure.

Dependable, maintenance free electronic ignition.

Parts subject to the most wear and tear made from

precision formulated cast iron.