5-13. CONNECTING ROD ASSEMBLY MAINTENANCE INSTRUCTIONS - Continued
c. Push down firmly on the connecting rod (7)
and read dial. The maximum allowable radial
bearing play is 0.0043 in. (0.110 mm).
d. If radial bearing play exceeds maximum, no-
tify general support maintenance for repair of
the crankshaft, and continue with removal of
connecting rod. If bearing play is less than
0.0043 in. (0.1110mm), further removal is not
necessary unless crankshaft is to be re-
8. Using a 13 mm socket, remove the two connect-
ing rod nuts (4), and remove the connecting rod
9. Remove connecting rod (7) from top of engine
Prior to removing the connecting rod bear-
ing halves (8), mark edge of bearing and
the connecting rod or cap to ensure re-
placement in the same place if bearing is
10. Remove connecting rod bearing halves (8) from
the connecting rod cap (6) and the rod (7).
W A R N I N G S
P-D-680, Type III, is moderately toxic to
the skin, eyes and respiratory tract;
avoid prolonged exposure. Skin and
eye protection is required. Good ventila-
tion is required. Do not use near open
flame or excessive heat. Flash point is
200°F (93.3° C).
1. Clean parts with dry cleaning solvent and dry thor-
2. Ensure that all gasket material is removed from
the cover (2) and the bottom of the engine hous-
i n g .
Ensure that the oil passage in top of the connect-
ing rod (7) IS not clogged.
Inspect connecting rod bearing halves (8) for
wear or scoring.
The bearing halves are manufactured with a
galvanically applied layer on the inside sur-
face. This layer when worn through, reveals
the base material as a shiny bronze color. If
inspection reveals shiny bronze colored area,
replace the connecting rod bearing halves (8).