Timing Chain; Inspection; Assembly - Mercury MerCruiser Service Manual

Description
Camshaft thrust plate retainer bolts

Timing Chain

Inspection

1. Inspect the timing chain for wear and damage.
2. Inspect the sprockets for wear and damage.
3. Replace the components as necessary.

Assembly

1. Install the crankshaft balancer key into the crankshaft keyway.
2. Align the keyway of the crankshaft sprocket with the crankshaft balancer key.
3. The crankshaft balancer key should be parallel to the crankshaft or with a slight incline.
4. Install the sprocket on the crankshaft by using the rear pinion bearing race installer tool.
a
Description
Rear pinion bearing race installer
5. Align the marks on the crankshaft and the camshaft sprockets.
90-8M0099748 eng DECEMBER 2015
Crankshaft keyway
a - Rear pinion bearing race installer
b - Crankshaft sprocket
b
30640
© 2016 Mercury Marine
Engine Inspection and Assembly
Nm lb‑in.
12 106.2
59548
Part Number
J5590
Page 3B-35
lb‑ft
–