ONAN GENERATOR Flashcards
Onan mobile Genset, Used to power what three things?
LIGHTING
ELECTRICAL OUTLETS
Battery charger on the apparatus
Onan mobile Genset generator model # 75HDKAL-1C
1995-2003 LTI
Onan mobile Genset generator model #75HDKAL-1E
2006-2009 LTI
Onan mobile Genset generator model #75HDKAL -1B
2016 PIERCE ALSO KNOWN AS CUMMINS ONAN
The generator is permanently
mounted behind the compartment on the___
tractor chassis
Access to the generator can be
gained from the lid on top of the ____ compartment and the ___ door on the chassis
compartment.
CHASSIS
RIGHT
The Onan is powered by a___
Diesel engine
What cools the engine?
A pressurized, closed-loop liquid cooling
system
___is pumped through passages in the engine block and
head and is cooled in a genset-mounted radiator.
Coolant
The Genset uses the apparatus batteries to power its controls and starting circuits.
Controls are located in three locations:
1) switches mounted on the generator itself, 2)
control box inside the left compartment on the chassis and 3) switches located on the
dash board of the tractor cab.
The controls located on the generator consist of
start/stop/pre-heat switch and hour meter
The control box in the left compartment on the
chassis consists of
a start/stop/pre-heat switch, circuit breaker panel, quartz light switches
and cord reel rewind speed control.
The tractor cab dashboard controls consist of
a
star/stop/pre-heat switch and indicator light.
AC Volts?
120/240
KVA ?
7.5
kW?
7.5
Amps
31
Hz
60
RPM
1800
How many circuit breakers are the main breakers for the generator
2
Indicates the amount of hours that the generator has been operating.
Hour meter
Circuit breaker that protects the 12-volt components of the generator.
DC Control Breaker
Switch used to pre-heat, start and stop the generator.
Start/Stop/Pre-heat Switches
Used to start/stop the on-board generator.
Generator Control Panel
Indicates the amps that the generator is putting out.
AC Amperes Gauge
Indicates the voltage that the generator is putting out.
AC Volts Gauge
Switch activates left quartz light on the cab.
Left Side Cab Quartz Light Switch
Switch activates right quartz light on the cab.
Right Side Cab Quartz Light Switch
Switch activates left quartz light at the rear of the trailer
Left Side Trailer Quartz Light Switch
Switch activates right quartz light at the rear of the trailer
Right Side Trailer Quartz Light Switch
Controlled by switches in the left cab compartment, cab dashboard and one on each
light assembly.
Cab Quartz Lights
Reel contains 200’ of electrical cord with two 20-amp receptacles.
Cord Reel
which rigs have a 200’ cord reel
1995, 1996, 2003, 2006, 2009
which rigs have a 250’ cord reel
2000, 2001, 2002
Used to control the speed at which the electric cord reel can rewind
Electric Cord Reel Rewind Speed Control
Depressing this switch activates the rewind motor for the cord reel.
Electric Cord Reel Rewind Foot Switch
Electrical box contains two 20-amp receptacles, each on their own circuit
Electric Cord Reel Outlet Box
Controlled by switches in the left cab compartment, cab dashboard and one on each
light assembly.
Trailer Quartz Lights
When operating, the Genset supplies power to the electrical panel located in the left
compartment of the tractor chassis. The electrical panel consists of ___ circuit
breakers
12
The 12 circuit breakers control what accessories
- front cab quartz light
- main
- rear trailer quartz light
- main
- left front receptacle (tractor)
- right front receptacle (tractor)
- left rear receptacle (trailer)
- right rear receptacle (trailer)
- cord reel receptacle #1
- aerial ladder receptacle
- cord reel receptacle #2
- on board battery charger
