DETROIT DIESEL 53
Oil Pump 4.1
engine front cover (or oil pump inlet elbow on the 6'V
Install the lower engine front cover and pump
engine) and secure them with the two bolts and lock
assembly on the engine as outlined in Section 1.3.5.
Attach the oil inlet' screen to the oil inlet pipe
support with two lock nuts (6V engine) or two bolts and
lock washers (Fig. 9).
Use a new gasket and attach the oil pump inlet
elbow (6V engine) to the under side of the engine front
cover with the two bolts and lock washers.
Install the oil pan and refill the crankcase to the
Place the oil pump inlet pipe and screen
assembly in position and fasten the support to the main
bearing cap with the two bolts and lock washers.
Install the crankshaft pulley, fan pulley, support
bracket and any other accessories that were attached to
Slide the inlet pipe flange and seal ring against
the front cover.
1972 General Motors Corp.
SEC. 4.1 Page 5