ENGINE BLOCK REPAIR (CONT) -726030030

TM 9-2320-360-34-2

NOTE

All measurements should be made

with engine block on floor, not in

engine stand.

All eight cylinders are measured

the same. Follow steps (8) thru

(11).

(8) Measure cylinder bore (6) at position A using

cylinder checking gage (7).

Measurement

cannot be greater than 5.3635 In. (136.23 mm).

(9) Measure cylinder bore (6) at position B.

Measurement cannot be greater than 5.3395 in.

(135.62 mm).

(10) Measure cylinder bore (6) at position C.

Measurement cannot be greater than 5.2185 in.

(132.55 mm).

(11) Measure cylinder bore (6) at position D.

Measurement cannot be greater than 5.2185 in.

(132.55 mm).

(12) Replace engine block (4) if any cylinder bore (6)

is beyond limits listed above or if a sealing

problem has occurred at position B. Also, the

taper between C and D and out-of-roundness

must not exceed 0.0010 in. (0.025 mm).

(13) Measure flatness of engine block (4) crosswise

between all cylinders using straight edge and

feeler gage. if block (4) varies more than 0.003

in. (0.076 mm), replace engine block (4).

(14) Measure flatness of engine block (4) contact

surface lengthwise using straight edge and

feeler gage. If block (4) varies more than 0.0070

in. (0.178 mm), replace engine block (4).

19-15