Click here to make tpub.com your Home Page

Page Title: Cleaning/Inspection-continued
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM 9-2815-224-34&P
Fuel Injector Maintenance Instructions (Cont)
Do not touch finished plunger surfaces with fingers. Dirt and oils from fingers
can result in defective operation of injector.
NOTE
Plunger and bushing are matched and must always be replaced as a set.
(1 ?') Inspect plunger pin (5) and bushing (6) for scoring, erosion, chipping, or wear, Remove any sharp
edges with a fine stone. Inspect bushing port holes and high pressure bleed hole with injector
bushing inspectalite. Replace plunger pin and bushing, as a set, if any damage is found.
(18)
Place parts of each injector assembly in clean containers of clean diesel fuel oil. Dry parts with
compressed air for inspection.
Inspect teeth on injector rack (7) and spur gear (8) for wear or damage. Inspect gear bore and
(19)
sleeve spacer (9) for excessive wear, sharp edges, and burrs that might cause flakes of metal in
injector.
Inspect follower spring (10) for defects. Check spring with tension tester.
(20)
Replace follower spring (10) if a load of less than 70 pounds (3 1.78 kg) will compress it to
(21)
1.028-in. (26. 11 mm).
(22) Inspect injector body (3) surface where it contacts injector
bushing (6) for scratches or damage.
(23) Lap bushing (6) if slight damage is found. Use lapping block and
lapping and grinding compound. See steps (31) to (41) for
lapping instructions.
(24) Inspect injector body (3) plugs and dowel pins. Replace injector
body if plugs or dowel pins are found loose.
12-11

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business