Blade Brake Adjustment

 

Maintenance

Mower Deck Belt Routings:

distance should be between 1/8 inch and 3/16

 

inch (3–5 mm) (see Figure 16).

 

5. Engage the blade control and check to make sure

 

the blade brake pad clears the sheave.

Figure 14

32 inch and 36 inch Mower Deck

Figure 15

48 inch Mower Deck

Blade Brake Adjustment

1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).

2.Disengage blades.

3.Make sure the blade brake pad rests against the sheave. Adjust the spring mounting bolts to properly align the pad on the sheave (see Figure 16).

4.Check the distance between the spacer and the nut at the end of the blade brake rod. The

Figure 16

Shown with Blades Disengaged

1.

Blade Brake Rod

3. 1/8 inch to 3/16 inch (3–5

2.

Spring Mounting Bolts

mm)

 

 

 

 

Belt Guide Adjustment

1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove key or spark plug wire(s).

2.Engage the blade drive belt.

3.Check belt guide under the engine deck for proper adjustment (See Figure 17 and Figure 18). Adjust as necessary.

The disengaged belt should not drag or fall off pulley when guides are properly adjusted.

Figure 17

32 inch and 36 inch Belt Guide Location (Viewed from underneath the deck)

1. 1 1/4 inch (3.1 cm)

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Exmark 4500-352 manual Blade Brake Adjustment, Belt Guide Adjustment, Maintenance