Mercury MerCruiser D2.8L D-Tronic Service Manual page 275

SERVICE MANUAL NUMBER 22
5. Using wire, make a pointer and attach it to a suitable location on engine. Align wire
pointer to Zero ("0") as shown.
6. Using crankshaft tool, turn crankshaft clockwise as needed (6 cylinder - 120 degrees
or 4 cylinder - 180 degrees) to bring next cylinder in firing order up to TDC.
INSTALLING THE ASSEMBLIES
NOTE: Screw plugs in glow plug holes or glow plugs, if equipped, may be removed to
release compression when turning crankshaft.
1. Rotate the crankshaft to place each cylinder at TDC, before installing the assembly for
that cylinder. Refer to Establishing Top Dead Center (TDC).
2. Install valve push rods in their original locations. Ensure push rods seat in lifter sockets.
Typical Cross-Section View
90-860074--1 FEBRUARY 2002
a - Wire Pointer
D2.8L D-Tronic
D4.2L D-Tronic
a - Push Rod
b - Lifter Socket
a
Firing Order
1-3-4-2
1-5-3-6-2-4
a
b
ENGINE MECHANICAL
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