Testing-continued - TM-9-2815-224-34-P0067

TM 9-2815-224-34&P

Engine Block Maintenance Instructions (Cont)

(12) Install two plates (18) from engine block

test kit on right and left cylinder banks of

engine block (3) with 20 head screws (19)

and spacers (20).

(13) Tighten screws (19) to 50 lb-ft (67.80 N-m)

then to 110 lb-ft (149.16 N-m).

WARNING

Be careful when using high air pressure.

Make sure connections and seals are tight

before applying pressure. High air pressure

can blow out parts, hoses, or debris with

force. Explosive force can damage equipment

and cause injury.

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

block (3). Maintain this pressure for at least

two hours.

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

for leaking antifreeze. If leaks are found in engine block, engine block must be replaced.

(16) Relieve 40 psi (276 kPa) pressure from engine block (3).

(1 7') Disconnect air line from fitting (17).

(18) Remove 20 screws (19), spacers (20), and

two plates (18) from engine block (3).

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