Kohler 125EOZ/100EFOZ, Service Manual, Page: 15 / 148

TP-5737 5/01 1 Section 1 Specifications
Section 1 Specifications
1.1 Introduction
The spec sheets for each generator set provide specific
generator and engine information. Refer to the
respective spec sheet for data not supplied in this
manual. Consult the generator set operation manual,
generator
installation manual, engine operation
manual, and engine service manual for additional
specifications.
1.2 Specifications
The generator set consists of a rotating-field generator
combined with a smaller rotating-armature generator
turned by a common shaft.
The main rotating-field
generator supplies current to the load circuits while the
rotating-armature (exciter) generator supplies rectified
AC (DC) to excite the main generator’s field.
Engine
Engine Prealarm and
Shutdown Switches
Specification
COZ/CFOZ and EOZ/EFOZ
Models
Anticipatory high engine
temperature switch
96
_
C (205
_
F)
±
7
Anticipatory low oil
pressure switch 138 kPa
±
14 kPa
(20 psi
±
2)
High engine temperature
shutdown switch
103
_
C (218
_
F)
±
7
Low oil pressure
shutdown switch 103 kPa
±
14 kPa
(15 psi
±
2)
High exhaust
temperature switch (wet
exhaust only) 88--102
_
C
(190--215
_
F)
±
5
Controller Gauge
Senders
Specification
(in ohms)
COZ/CFOZ
Models
Specification
(in ohms)
EOZ/EFOZ
Models
Oil Pressure Sender
0 kPa (0 psi) 120 (+9/--8) 240 (+17/--15)
172 kPa (25 psi) 76.5 (+6/--7.5) 153 (+12/--15)
690 kPa (100 psi) 16.8 33.5
Water Temperature Sender
54
°
C (130
°
F) 100
±
15 180
±
12
82
°
C (180
°
F) 40
±
6 71
±
8
Generator
Component Specification Value
Controller/battery electrical system 12 or 24 volts DC
Generator field resistance (F+/ F--):
40/50COZ and 33/40CFOZ 2.0--2.9 ohms
65COZ and 50CFOZ 1.8--2.2 ohms
40EOZ and 33EFOZ 2.1--2.5 ohms
50EOZ and 40EFOZ 2.7--3.1 ohms
65/80EOZ and 55/70EFOZ 1.7--2.1 ohms
99EOZ and 80EFOZ 2.0--2.4 ohms
125EOZ and100EFOZ 1.4--1.8 ohms
150EOZ and 125EFOZ 1.6--2.0 ohms
Exciter armature resistance:
40/50COZ and 33/40CFOZ 0.13 ohms
65COZ and 50CFOZ 0.27 ohms
40EOZ and 33EFOZ 0.23 ohms
50EOZ and 40EFOZ 0.14 ohms
65/80EOZ and 55/70EFOZ 0.27 ohms
99EOZ and 80EFOZ 0.27 ohms
125EOZ and100EFOZ 0.27 ohms
150EOZ and 125EFOZ 0.27 ohms
SCR assembly terminal nut torque 1.4 Nm (12 in. lbs.)
Fan to rotor flange torque 29 Nm (260 in. lbs.)
Drive disks to rotor shaft torque 61 Nm (45 ft. lbs.)
Speed sensor air gap 0.36--0.71 mm
(0.014--0.028 in.)
Speed sensor voltage 2 (black) &
16 (white)
3--6 volts DC
2 (black) & 24 (red)
8--10 volts DC
Electronic governor magnetic pickup
air gap 0.36--0.71 mm
(0.014--0.028 in.)
Magnetic pickup output voltage
during cranking 2.5 volts AC min.
Flex plate to flywheel bolt torque
(3/8-16) 52.9 Nm
(39 ft. lbs.)