SECTION EG 60-5A
ENGINE
GOVERNING SYSTEMS
INTERNATIONAL
AGB 270/280
INTRODUCTION
The AGB 270/280 actuators are linear electro- The significant features of an engine governing system
magnetic throttle positioning devices which mount in- utilizing the integral actuator are the elimination of ex-
tegral to Robert Bosch (RB) 3000, 7100, and 8500 se- ternal fuel system control linkage and engine actuator
ries "P" model fuel injection pumps. They may also brackets. The actuator requires no engine drive for
be utilized on other types of in-line fuel injection hydraulic input. It is designed to have no sliding parts
pumps with the use of an interface plate. They posi- or gears, requires no maintenance and typically out-
tion the engine fuel throttle according to the amount of lasts the life of the engine. The system provides the
current flowing from the speed control unit through utmost in performance because the fuel injection pump
the actuator. An external fuel shutoff lever is avail- rack is directly connected to the actuator, thus mini-
able for emergency engine shutdown. The complete mizing delays and ensuring fast response. It is com-
family of speed control units is suitable for use with pletely self-contained except for the wires connecting
the AGB 270/280 series actuators and will provide it to the speed control unit.
other governor system fail-safe features.
SPECIFICATIONS
POWER INPUT
- Operating Voltage ......................................................................................... 12, 24 or 32 VDC
Normal Operating Current ................................................................................ 5 amps at 12 VDC
2.5 amps at 24 or 32 VDC
Maximum Current (Instantaneous) ...................................................................... 8 amps at 12VDC
4 amps at 24 or 32 VDC
ENVIRONMENTAL
Temperature Range .................................................................... -54 ° to + 93°C (-65 ° to + 200°F)
Relative Humidity .................................................................................................. up to 100%
- Case .................................................................................... Fungus proof and corrosion resistant
PHYSICAL
- Dimensions ............................................................. Metric design to match fuel pump (See Figure 1)
- Weight ......................................................................................................... 3.75 kgs (8.3 lbs)
- Mounting .................................. Integrally mounted on the rear of the RB "P" model fuel injection pumps
directly replacing the existing mechanical governor (See ASSEMBLY, Page 5)
MATING CONNECTOR
For actuator only ....................................................................................... EC 1249-2 (6 pins)
Wiring harness to CU671C (includes both connectors prewired) ............................................... CB679
Harness to CU673C series speed control units .................................................................. CB6711A
OPTIONAL ACTUATORS
AGB 270A1 .............................................. Bosch "P" model 7100/8500 series, with temperature probe
(comprises Kits K6736 and KT 6737)
AGB 270B1 .......................................... Bosch "P" model 7100/8500 series, without temperature probe
(comprises Kits K6739 and KT 6737)
AGB 280A1 .................................................... Bosch "P" model 3000 series, with temperature probe
(comprises Kits K6736 and KT 6738)
- AGB 280B1 ................................................. Bosch "P" model 3000 series, without temperature probe
(comprises Kits K6739 and KT 6738)
Page 1
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