TURBOCHARGER REPAIR (CONT) -726030168

TM 9-2320-360-34-2

(9) Install backplate (16) on center housing (2),

aligning marks made during disassembly.

(10) Install four screws (17) in backplate (18).

Torque to 80-100 lb-in. (9.0-11.3 Nm).

(11) Position turbo wheel shaft (1 8) In holding fixture

(19).

(12) Install turbine wheel shroud (20) on turbo wheel

shaft (18).

WARNING

Wear eye protection and use care

when removing retaining rings.

Retaining rings are under spring

tension and can act as projectiles

when released causing severe eye

Injury.

(13) Coat lower piston ring groove with grease.

Install new retaining ring (21) in groove.

(14) Install center housing (2) on turbo wheel shaft

(18).

(15) Install impeller (22) on shaft (18).

(16) Position ne w locknut (23) on shaft (1B).

(17) Tighten locknut (23) to 135 lb-in. (14.9 Nm) with

aid of assistant.

(18) Remove locknut (23) from shaft (18) with aid of

assistant.

(19) Inspect locknut (23) and impeller (22) for

scratches. Ensure both contact surfaces are

clean and smooth. Replace damaged parts.

(20) Coat threads of shaft (18) and base of locknut

(23) with lubricating oil.

(21) Position locknut (23) on shaft (18). Torque to

35-55 lb-in. (4.0-6.2 N m) with aid of assistant.

Tighten 1/4 turn more.

20-23