Kohler K91 Service Manual page 124

Figure 1 2- 1 9. Marking Land On Camshaft Gear.
2 .
Align the primary timing marks o n balance
gears with the teeth on timing tool . Insert the
tool so it meshes with the gears . Hold or
clamp the tool against oil pan gasket surface
of crankcase . Refer to Figure 1 2-4 .
Figure 1 2- 2 0 . Installing Balance Gear
Timing Tool.
3 .
Lubricate the rear bearing surface of crank­
shaft . Insert the PTO end of crankshaft through
the rear bearing . .. Straddle " the primary and
secondary timing marks on crankshaft over the
rear bearing oil drai n . Refer to Figure 1 2-2 1 .
Fig u re 1 2-2 1 . Aligning Crankshaft And Rear
Bearing Oil Dra i n .
Press the crankshaft into the rear bearing until
the crankshaft gear is j ust above the camshaft
gear, but not in mesh with it.
t h e balance g ea r t i m i n g tool at t h i s time.
4 . Align the fifth (5th) land marked on camshaft
gear with the fifth (5th) tooth marked on
crankshaft gear. Refer to Figure 1 2-22.
Figure 1 2- 2 2 . Aligning Camshaft Gear And
Crankshaft Gear.
Press the crankshaft all the way into the rear
bearing . Make sure the camshaft and crank­
shaft gears mesh and the marks align while
pressing .
Remove the balance gear timing tool. Check
5 .
the timing of the crankshaft , camshaft , and
balance gears:
•
The primary timing mark on crankshaft should
align with the secondary timing mark on
lower balance gear. Refer to Figure 1 2-23 .
Figure 1 2-23. Crankshaft Gear/Lower Balance
Gear Alignment .
•
The primary timing mark on crankshaft should
align with the timing mark on camshaft . Re­
fer to Figure 1 2-24 .
Do not remove
1 2 . 7