TM-9-2815-224-34-P

ENGINE, DIESEL:8-CYLINDER TURBOCHARGED, DETROIT DIESEL CORPORATION MODEL 8V92TA

DIRECT SUPPORT AND GENERAL SUPPORT MAINTENACE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

JANUARY 1988

TM-9-2815-224-34-P - Page 298 of 554

TM 9-2815-224-34&P

Fuel Injector Maintenance lnstructions (Cont)

2-3. FUEL INJECTOR REPAIR (CONT).

(24)

Place adapter (1) in vise.

(25)

Remove injector valve nut (8),

spray tip (7), needle valve (6),

cage (5), spring seat (4), spring (3),

and check valve cage (2).

e. Assembly

NOTE

Outlet side injector does not have filter.

(1)

Insert filter (1), slotted end up, in inlet side fuel

(2)

cavity in top of injector body (2).

Install two gaskets (3) in each of two injector

caps (4).

(3)

Apply injector test oil to thread of injector caps (4)

and install in injector body (2).

CAUTION

Some injector caps (4) and injector bodies (2) could have a blued

or non-blued finish. These parts are fully interchangeable,

however, to avoid parts damage due to overtightening, the

correct torque values listed below must be used.

(a)

Torque a non-blued injector cap (4) on a non-blued injector

body (2) to 62 lb-ft (84 N•m).

(b)

Torque a blued injector cap (4) on a blued injector body (2)

to 70 lb-ft (95 N•m).

(c)

Torque a non-blued injector cap (4) on a blued injector body (2) or a blued injector

cap (4) on a

non-blued injector body (2) to 62 lb-ft (84 N•m).

(4)

(5)

Place injector body (2) in rack tester kit and tighten injector caps (4).

(6)

Purge filter (1) with diesel fuel oil directed through injector caps (4).

Install clean shipping caps on injector caps (4) to prevent dirt from entering injector body (2).

(7)

Support injector body (2), bottom end up,

in rack tester kit.

(8)

Slide injector rack (5) through injector

body (2) with teeth of rack pointing

towards center of injector body.

2-16 Change 2