Repair

 

 

 

 

 

 

 

 

 

3. If the measurement is less than 1/2” or greater than 3/4”,

!

 

WARNING

 

!

 

 

 

loosen the two jam-nuts (A, Figure 40). Hold the clutch/

 

 

 

brake cable (B) to the chain case bracket.

DO NOT attempt any adjustments, maintenance, service or

4. Adjust the cable up or down using the jam-nuts to obtain

repairs with the engine running. STOP engine. STOP blade.

 

a distance of 1/2” to 3/4” between the end of the clutch/

Engage parking brake. Remove key. Remove spark plug

 

 

brake cable (adjustment shown in inset of Figure 39)

wire from spark plug and secure away from plug. Engine

 

 

and the bottom of the housing.

and components are HOT. Avoid serious burns, allow all

 

5. After adjustment is complete, securely tighten the cable

parts to cool before working on machine.

 

 

 

jam-nuts.

 

 

 

 

 

 

 

 

 

6. Retest the wheel brake.

How To Adjust The Brake / Parking Brake

Test the wheel brake on a dry concrete surface. When

 

 

 

 

 

 

properly adjusted, the unit will stop within 5 feet from fastest

 

 

 

speed. If stopping distance is more than 5 feet, adjustment

 

 

 

is required.

 

 

 

 

 

 

 

 

 

 

Manual Drive Models:

 

 

 

B

 

1. Set the parking brake. Refer to “How To Set The Parking

 

 

 

 

Brake”.

 

 

 

 

 

 

 

 

 

 

2. Measure the distance (A, Figure 39) between the end of

 

 

 

 

the clutch/brake cable (B) and the bottom of the housing

 

A

 

 

(C). The measurement should be no less than 1/2” and

 

 

 

no greater than 3/4”.

 

 

 

 

 

NOTE: The cotter pin and brake spring (D and E, Figure 39)

 

 

 

are noted for reference purposes only.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

for

 

 

 

 

 

 

 

 

 

 

 

 

Figure 40: Brake cable adjusting nuts

 

 

 

 

 

 

 

 

Hydro Drive Models:

 

 

 

 

 

 

Not

Contact an authorized dealer for assistance.

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

How To Adjust Mower Blade Belt Tension

 

 

 

 

 

 

 

1. Remove the mower deck cover. Refer to “How To

 

 

 

 

 

 

 

 

Remove The Deck Cover”.

 

E

 

 

 

 

 

2. With the unit off and the mower blade disengaged (refer

 

 

 

 

 

C

 

to “How To Engage The Mower Blade”), measure the

 

 

 

 

 

 

 

 

 

body of the blade engage spring (A, Figure 41).

 

B

 

 

 

 

 

 

 

3. Engage the mower blade, and measure the extended

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

blade spring (B). It should measure 3/8” to 1/2” longer

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

Reproductionthan the unextended spring measurement in Step 2.

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

4. If adjustment is needed, disengage the mower blade,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

loosen the rear jam nut (C) securing the PTO cable

 

 

 

 

 

 

 

 

 

 

housing (D), and adjust the cable housing in or out using

 

Figure 39: Adjusting the brake cable

 

 

 

 

 

 

the front jam nut (E).

5. Repeat Steps 3 and 4 until the desired measurement is reached. Make sure to tighten the rear jam nut when adjustment is complete.

NOTE: Check to be sure there is slack in the PTO cable (F) when the mower blade is disengaged. This is essen- tial for correct operation of the blade brake. If there is no slack, lessen the cable tension until slack is obtained.

6. Replace the deck cover.

32

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Snapper 7800918-00 How To Adjust The Brake / Parking Brake, How To Adjust Mower Blade Belt Tension, Manual Drive Models

7800918-00, 7800920-00, 7800932-00 specifications

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