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Figure 2-20. Vehicle Control Box Replacement (Sheet 2 of 2)
EPG Actuator.

TM-10-5410-228-24 Chemical Biologiocal Protective Shelter (CBPS) System NSN 5410-01-441-8054 (Green) (EIC:5ZT) NSN 5410-01-482-4633 (Tan) Manual
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TM 10-5410-228-24
2.12.15 EPG System Replacement.
This task covers:
c. Assembly
a. Removal
d. Installation
b. Disassembly
e. Calibration/Adjustment
INITIAL SETUP
Tools/Test Equipment:
Equipment Conditions:
Shop Equipment, Automotive Maintenance and
ECV off, system power off.
Repair (Item 38, Appendix B)
Power panel and rear control panel tagged.
ECV hood raised.
Materials/Parts:
ECV battery ground cable disconnected
Two Lockwashers (Item 11, Appendix E)
(see TM 9-2320-387-24-1).
Four Lockwashers (Item 17, Appendix E)
Four Lockwashers (Item 33, Appendix E)
References:
TM 9-2320-387-24-1
Three Lockwashers (Item 35, Appendix E)
Sealant (Item 44, Appendix C)
NOTE
The Electronically Programmed Governor (EPG) system consists of three major components:
EPG control unit, magnetic pickup, and EPG actuator.
Remove/disassemble only to the extent necessary to remove or replace defective
assemblies/components. Use standard maintenance shop practices/procedures.
2.12.15.1 EPG Control Unit.
a. Removal (Refer to Figure 2-21)
(1)
Loosen four captive screws (1) and remove EPG control unit cover (2).
(2)
Tag and disconnect all wires from terminal block mounted on EPG control unit (3) by loosening
screws (4).
NOTE
Washers, lockwashers, and nuts are located in engine compartment.
(3)
Remove four screws (5), four washers (6), four lockwashers (7) and four nuts (8) securing EPG
control unit (3) to ECV fire wall. Discard four lockwashers (7).
b. Installation (Refer to Figure 2-21)
(1)
Locate EPG control unit (3) and secure to ECV fire wall with four screws (5), four washers (6),
four new lockwashers (7) (Item 17, Appx E) and four nuts (8).
NOTE
Washers, lockwashers, and nuts are located in engine compartment.
(2)
Connect all wires to EPG control unit (3) terminal block with screws (4). Remove tags.
(3)
Perform EPG System Calibration/Adjustment per para 2.12.15.3 e.
(4)
Install EPG control unit cover (2) over EPG control unit by inserting and tightening four captive
screws (1) into ECV fire wall threaded mount holes.
2.12.15.2 Magnetic Pickup.
a. Removal (Refer to Figure 2-21)
(1)
Remove bolt (9) and clamp (10) securing magnetic pickup cable assembly (11) to engine bell
housing (12).
(2)
Tag and disconnect two wires (terminal 10) and shielded wire (terminal 11) connecting cable
assembly (11) to EPG control (3) by loosening two screws (4).
2-150






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