Regular Maintenance

11. Run the mower under no-load condition for about 5 minutes to break-in the new belt.

Checking the Deck Drive Belt Idler Tensioner Spring Length

1.Set the mower deck at its middle cutting height.

2.Measure the coil to coil length of the deck drive belt tensioner spring (A, Figure 47). It should measure 7-1/4” (18.42 cm). If it does not, perform the Adjusting the Deck Drive Belt Idler Tensioner Spring Length.

Adjusting the Deck Drive Belt Idler Tensioner Spring Length

1.Loosen the jam nut (B) on the eyebolt (C).

2.Turn the adjustment nut (D) until a measurement of 7-1/4” (18.42 cm) is achieved.

3.Tighten the jam nut.

A

D B C 7-1/4” (18.42 cm)

Figure 47. Deck Drive Belt Idler Tensioner Spring

A.Deck Drive Belt Idler Tensioner Spring Length

B.Jam Nut

C.Eyebolt

D.Adjustment Nut

Hydraulic Pump Drive Belt Replacement

1.

 

Reproduction

 

Park the unit on a smooth, level surface such as

for

 

 

a concrete floor. Disengage the PTO, engage the

 

 

 

parking brake, turn off the engine, and remove the

 

 

ignition key.

 

 

 

2.

Remove the PTO drive belt (see PTO DRIVE

 

 

 

 

Not

 

C

 

BELT REPLACEMENT for removal instruc ions).

 

 

3.

Lower the mower deck to its lowest cutting

 

 

 

position.

 

 

 

4.

Disconnect the PTO clutch wire harness.

 

 

5.

Loosen and remove the crankshaft bolt (A, Figure

 

 

48) and the PTO clutch (B) from the engine

 

 

 

crankshaft.

 

 

 

 

 

 

B

 

 

 

 

A

 

 

 

 

Figure 48. Removing the PTO Clutch

 

 

 

 

A. Crankshaft Bolt

 

 

 

 

B. PTO Clutch

 

 

 

 

C. PTO Clutch Mounting Tab

 

38

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