Cub Cadet MTD 70 Series User Manual

Page 100

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61/65/70/75 Series Horizontal Shaft Engines

94

7.

Remove the muffler by following the steps
described in Chapter 8: Exhaust.

8.

Remove the heat baffle. See Figure 9.3.

9.

Remove the four screws securing the valve cover
using a 10mm wrench. See Figure 9.4.

10.

Remove the rocker arms and push rods:

61/65/70 Series heads:

A. Loosen the jam nuts and fulcrum nuts that

secure the rocker arms using a 10mm wrench
and a 14mm wrench. See Figure 9.5.

B. Pivot the rocker arms aside, or remove them

completely, and remove the push rods.

NOTE:

Once broken-in, the rocker arm should be

kept with its corresponding valve.

NOTE:

The intake and exhaust push rods are iden-

tical and interchangeable. It is preferable,
but not absolutely necessary to return the
same push rods to their original locations on
engine with substantial (>100 hours) operat-
ing time.

Figure 9.3

Heat baffle

Remove these screws

Figure 9.4

Remove valve cover

Figure 9.5

Jam nut

Fulcrum nut

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