ENGINE BLOCK REPAIR (CONT) -726030037

TM 9-2320-360-34-2

19-4. ENGINE BLOCK REPAIR (CONT)

(9) Install all 2 plates (17) from engine block test kit

oh right and left cylinder banks of engine block

(3) with 20 spacers (18) and screws (19).

Torque screws to 100 lb-ft (136 Nm).

(10) Connect air line to fitting (20). Route air line

from above engine block to prevent antifreeze

solution from draining into hose.

(11) Pour 1 gal (3.8 L) of antifreeze into engine block

water jacket through hole for aftercooler water

inlet adapter (21). Top off engine block water

jacket with water.

WARNING

Pipe thread sealing compound can

burn easily, can give off harmful

vapors, and is harmful to skin and

clothing. To avoid Injury or death,

keep away from open fire and use In

well-ventilated area. If pipe thread

sealing compound gets on skin or

clothing, wash Immediately with soap

and water.

(12) Coat threads of engine block pressure test core

plug (22) 'with pipe thread sealing compound.

(13) Install gasket (23) and engine block pressure

test core plug (22) in hole for aftercooler water

inlet

adapter

(21)

using

core

plug

remover/installer (24). Torque plug to 230-270

lb-ft (312-366 Nm).

WARNING

Use care when using high air

pressure. Ensure connections and

seals are tight before applying

pressure. High air pressure can blow

out parts, hoses, or debris with force.

Explosive force may cause Injury and

damage

equipment.

Personal

protective equipment will be used

(goggles/shield, gloves, etc.).

(14) Apply 40 psi (276 kPa) pressure to engine block

(3). Maintain pressure for at least 2 hours.

(15) After test period, inspect engine block (3) for

leaking antifreeze. If leaks are found in engine

block (3), replace engine block.

(16) Loosen air line from fitting (20) to allow air

pressure to escape.

(17) Remove air line from fitting (20).

19-22