Kohler 4EFCD Service Manual

TP-6391 9/08 11Section 1 Specifications
Section 1 Specifications
1.1 Introduction
The spec sheets for each generator set provide specific
generator and engine information. Refer to the
generator set spec sheet for data not supplied in this
manual. Consult the generator set installation manual,
engine operation manual, and engine service manual
for additional specifications.
1.2 Generator Set Ratings
See the generator set ratings in Figure 1-1. Consult
generator set nameplate for specific generator set
ratings.
1.3 Controller S pecifications
The generator set is equipped with the Advanced Digital
Control. For a specific description of the controller, see
Section 2, Operation, in the operation manual.
Environmental Specification ADC 2100
Operating temperature
-- 2 0 _ to 70_C
(--4_ to 158_F)
Humidity 0--95% condensing
Power requirements:
Voltage 12 VDC
C
u
r
r
e
n
t
2
5
0
m
A
@
1
2
V
D
C
C
urrent
250 m
A
@12
V
DC
Model Series Alternator Voltage Ph Hz
25_C(77_F)
Amps
25_C(77_F)
kW/kVA
5
E
C
D
2
F
2
120
1
6
0
41.67 5/5
5ECD 2F2
120/240
1 60
20.83 5/5
110 36.36 4/4
4EFCD 2F2
110/220
1 60
18.18 4/4
4
E
F
C
D
2
F
2
220
1
6
0
18.18 4/4
7
3
E
C
D
2
F
2
120
1
6
0
60.83 7.3/7.3
7.3ECD 2F2
120/240
1 60
30.42 7.3/7.3
110 54.55 6/6
6EFCD 2F2
110/220
1 50
27.27 6/6
6
E
F
C
D
2
F
2
220
1
5
0
27.27 6/6
RATINGS: Marine continuous ratings per ISO 3046, ISO 8528-1, and Kohler ISO rating guideline 2.14. Obtain technical information bulletin
(TIB-101) on ratings guidelines for complete ratings definitions.
Figure 1-1 Generator Set Ratings
1.4 Alternator Specifications
Alternator Specification 5ECD/4EFCD 7.3ECD/6EFCD
Alternator model 2F2 2F2
Stator leads, qty. 4 4
Phase 1 1
Rotor resistance, ohms, cold 3.4 3.4
Stator resistance, ohms,* cold
Main winding: 1-2, 3-4 0.16 0.16
Aux. winding: 55-66 1.70 1.70
Stator output voltage with separately excited rotor using 12-volt battery, minimum
Main winding: 1-2, 3-4, volts 145 145
Aux. winding: 55-66, volts 190 190
Rotor field voltage/current readings at rated output voltage, hot
No load, volts/amps 13/3.82 13/3.82
Full load, volts/amps 47/13.82 47/13.82
* Most ohmmeters do not give accurate readings when measuring less than 1 ohm. The stator can be considered good if a low resistance
reading (continuity) is obtained and there is no evidence of shorted windings (discoloration). Do not confuse a low resistance reading with
a reading indicating a shorted winding.

Kohler 4EFCD Specifications

General

Brand	Kohler
Model	4EFCD
Category	Marine Equipment
Language	English