Simplicity 300 Series manual Troubleshooting, Adjustment, & Service, Front

Troubleshooting, Adjustment, & Service

Arbor Drive Belt Replacement - 44” & 50” Mowers

NOTE: Be sure to use only genuine Simplicity replacement parts.

1.Park the tractor on a smooth, level surface such as a concrete floor. Disengage the PTO, turn off the engine and lock the parking brake. Remove the key.

2.Remove the mower from the tractor. See Mower Removal in the Operation section.

3.Remove the capscrews securing the right-hand arbor cover (B, Figure 43). Remove three capscrews securing left-hand arbor cover (D).

4.Using a pair of locking pliers or a spring puller, remove the idler pulley spring (C, Figures 43) from slot in deck.

5.Loosen capscrew (A, Figure 43) securing the idler pulley to the bracket. The belt can now be slipped between the pulley and idler bracket hub.

6.Install a new belt as shown in Figure 44. Make sure that V-side of belt runs in arbor pulley (A) grooves and flat side of belt runs against idler pulley (B).

7.Tighten the capscrew (A, Figure 43).

8.Reinstall spring (C, Figures 43) into its slot in mower deck.

9.Reinstall the left and right arbor covers (B and D, Figures 43).

10. Install the mower onto the tractor.

D

B

C

A

Figure 43. Mower Deck - 44" & 50” Mowers

A.Capscrew

B.Right-hand Arbor Cover

C.Spring

D.Left-hand Arbor Cover

A

FRONT

A

A

B

Figure 44. Mower Deck Drive Belt Routing All Models

A.Arbor Drive Pulley (V-sided)

B.Idler Pulley (Flat-sided)

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