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![]() TM 5-2420-222-20-1 
ENGINE STARTING AID FLUID INJECTION TUBE AND FITTINGS 
This task covers: 
a. Removal(page 2-306) 
c. 
Inspection/Replacement (page 2-308) 
b. 
Cleaning (page 2-307) 
d. 
Installation (page 2-308) 
INITIAL SETUP: 
Tools 
Materials/Parts 
Wrench, box, 1/4-inch 
Detergent, GP (item 7, Appendix C) 
Wrench, box, 3/4-inch 
Rags, wiping (item 21, Appendix C) 
Wrench, open-end, 3/8-inch 
Solvent, drycleaning (item 28, Appendix C) 
Wrench, open-end, 7/16-inch 
Personnel Required 
One 
ACTION 
LOCATION 
ITEM 
REMARKS 
REMOVAL 
WARNING 
Ether burns easily. If engine starting aid is not properly installed, do not release ether in confined areas or near 
open flame. Engine primer fluid cylinder is pressurized to expel ether when fluid injection solenoid is 
activated. Do not heat engine primer fluid cylinder or place it in fire. 
1. 
Elbow (1) 
Tube (2) 
Using 3/8-inch open-end wrench, unscrew 
and take off. 
2. 
Solenoid (3) 
Elbow (1) 
Using 7/16-inch open-end wrench, un- 
screw and take out. 
3. 
Elbow (4) 
Tube (2) 
Using 3/8-inch open-end wrench, unscrew 
and take off. 
4. 
Spray nozzle 
Elbow (4) 
Using 7/16-inch open-end wrench, un- 
holder (5) 
screw and take out. 
5. 
Air inlet (6) 
Spray nozzle 
Using 3/4-inch box wrench, unscrew and 
holder (5) 
take out. 
6. 
Spray nozzle 
Spray nozzle (7) 
Using 1/4-inch box wrench, unscrew and 
holder (5) 
take out. 
2-306 
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