TM-9-2815-210-34-2-2
ENGINE ASSEMBLY, DIESEL (MULTIFUEL): NATURALLY ASPIRATED OR TURBOCHARGED, FUEL-INJECTED, WATER-COOLED, 6-CYLINDER
TECHNICAL MANUAL; TROUBLESHOOTING; DIRECT SUPPORT AND GENERAL SUPPORT LEVEL; VOLUME 2 OF 2; PART 2 OF 2
APRIL 1981
TM-9-2815-210-34-2-2 - Page 428 of 968
TM 9-2815-210-34-2-2
d.
Inspection and Repair.
FRAME 1
1.
2.
3*
4.
5.
6.
7.
8.
9.
Check that nozzle spring (1) has no cracks and wear. If spring is cracked
or worn, get a new one.
Using straight edge and strong light, check spindle (2) in at least two posi-
tions 90° apart for straightness.
If spindle is not straight, get a new one.
Check that fuel passage (3) of nozzle holder body (4) has no sludge, gum or
other obstructing matter.
Get a new nozzle holder body if fuel passage is
dirty or clogged.
Check that nozzle holder body (4) has no damaged threads at three locations
(5). Fix threads which have minor damage with a tap and chaser. If threads
have major damage, get new nozzle holder body.
Check that nozzle holder body (4) has no loose or damaged locating dowel
pins (6).
If dowel pins are loose or damaged, get new nozzle holder body.
Check that seat of valve (7) and nozzle body (8) has no pitting, discoloration
due to overheating, distortion or any other damage. If pitted, distorted or
worn, get a new valve.
If valve seat is pitted, distorted or worn, get new
nozzle body.
Lap valve in nozzle body to take out minor discolorations. If
either part has major discoloration, get new valve or nozzle body.
Check fit of valve (7) in nozzle body (8).
If valve does not slide freely to
valve seat of nozzle body (8), lap on a lapping plate or polish to take out
minor defects.
If defects are not taken out by lapping and polishing, get
new valve and nozzle body.
Check that nozzle body (8) has no blocked spray holes. If blockage cannot
be taken out from spray holes, get new nozzle body.
Check that nozzle capnut (9) has no damaged threads. Fix threads which
have minor damage with a tap or chaser.
If damage cannot be fixed, get new
nozzle capnut.
GO TO FRAME 2
4-409
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