Engine, Reassembly of camshaft and timing components – Cub Cadet Yanmar 3TNV72 User Manual

Page 159

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ENGINE

6-60

TNV IDI Service Manual

Cylinder Block

7. Apply a light coat of clean engine oil to the rod

cap bolts. Reinstall the connecting rod cap
(Figure 6-94, (2)). Tighten the connecting rod
bolts to the specified torque in two stages (1/2
then full torque). See Special Torque Chart on
page 6-14
.

Figure 6-94

8. Reinstall the remaining pistons in their

respective cylinders.

Reassembly of Camshaft and Timing
Components

Installation of Gear Case

1. If removed, install a new camshaft bushing

(Figure 6-95, (3)) using the appropriate service
tool.

2. Apply a continuous bead of ThreeBond Liquid

Gasket No. 1212, Yanmar Part No.
977770-01212 to the mounting area of the gear
case. Be sure to circle each bolt hole.

3. Reinstall dowels and new O-rings

(Figure 6-95, (2)).

Figure 6-95

4. Reinstall the gear case (Figure 6-95, (1)).

Tighten the bolts (Figure 6-95, (4)) to the
specified torque.

Installation of Camshaft

Note: The gear housing must be installed prior

to reinstalling the camshaft. See
Installation of Gear Case
on page 6-60.

1. If removed, reinstall the camshaft end plate

(Figure 6-96, (1)), key, and camshaft gear
(Figure 6-96, (4)) onto the camshaft using a
press.

• Heat the gear to 356 - 392°F (180 - 200°C) and

press onto the end of the camshaft.

2. Lubricate the camshaft (Figure 6-96, (2)) with

clean engine oil or assembly lube. Slowly insert
the camshaft through the front of the engine.

3. Reinstall and tighten the cap screws

(Figure 6-96, (3)).

Figure 6-96

0001965

(1)

(2)

0002187

(3)

(1)

(4)

(2)

0002186

(4)

(3)

(1)

(2)

TNV_IDI_ServiceManual_(3TNV72 for YN only).book 60 ページ 2007年11月29日 木曜日 午後2時58分

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