•The length of the upper hitch link is normally determined by the design of each implement. To adjust the upper hitch link, loosen the lock- ing lever and turn the adjustment tube as shown in Figure 28. After the appropriate length is attained, tighten the locking lever. If correctly adjusted, the upper hitch link will be parallel or nearly parallel to the lower hitch links.

•Distance ‘A’ should be 0"-.20" less than distance ‘B’ if the toe-in is correct. If it is not, readjust the toe-in.

A

ADJUSTMENT TUBE

Lengthen

Shorten

LOCKING

LEVER

Figure 28

B

•The length of the hitch chains, attached to each lower hitch link, limit the side-to-side move- ment of the lower links. Loosen the jam nut and turn the chain’s hex shaft as shown in Figure 29 to adjust the length of the hitch chain. Tighten the jam nut after adjusting.

Turn Hex Shaft

 

to Lengthen

 

Loosen

 

Jam Nut

Turn Hex Shaft

 

to Shorten

HEX SHAFT

HEX JAM NUT

Figure 29

ADJUSTING FRONT WHEEL TOE-IN

The front wheel toe-in is set at the factory and should maintain the proper setting. However, the toe-in should be checked periodically and readjusted if necessary.

CHECK THE TOE-IN AS FOLLOWS:

•Place the tractor on a level surface with the wheels in the straight ahead position.

•Place an easily visible mark on the center lines of both front tires at the horizontal center line of the wheel.

•Measure and record the distance ‘A’ between the two marks. See Figure 30.

•Roll the tractor forward or rearward until the marks are at the horizontal center line at the rear of the wheels. Measure and record the distance ‘B’ between the marks. See Figure 30.

Figure 30

READJUST THE TOE-IN AS FOLLOWS:

NOTE: The right ball joint and jam nut are left hand threaded.

•Loosen the jam nuts at both the LH and RH ball joints. See Figure 31.

•Using a pair of pliers (or similar tool) to grasp the tie rod, turn the rod as follows:

Forward to shorten the tie rod and decrease the toe-in. See Figure 31.

Rearward to lengthen the tie rod and increase the toe-in. See Figure 31.

Front of

 

 

 

 

 

 

 

Shorten Rod —

Tractor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Decrease Toe-in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lengthen Rod —

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Increase Toe-in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIE ROD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JAM NUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RH BALL JOINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 31

•Readjust the tie rod as necessary to obtain the correct toe-in, then tighten the jam nuts against the ball joints.

25

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MTD 7304 manual Adjusting Front Wheel TOE-IN, Check the TOE-IN AS Follows
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7304 specifications

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