Troy-Bilt F753B manual Blade Drive Belt Replacement, Blade Drive Disengaged Blade Drive Engaged

Section 5: Maintenance

WARNING

Before inspecting, cleaning or servicing the machine, shut off engine, wait for moving parts to stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition key (electric start models).

Failure to follow these instructions can result in serious personal injury or property damage.

BLADE DRIVE BELT

REPLACEMENT

Follow this procedure to remove and re- place the blade drive belt. An assistant will be needed.

To Remove Belt:

1.Stop engine, wait for all parts to stop moving, and disconnect spark plug wire.

2.Disengage blade drive control (Figure 5-7) by releasing all controls on the mower.

Blade Drive Disengaged

A

Blade Drive Engaged

RIGHT VIEW

Figure 5-7: Blade Drive Control.

3.Remove belt cover (see “Belt Cover Removal”).

4.Loosen belt guides (B and C, Figure 5-8).

5.Move flap bracket (N, Figure 5-8) out of the way by loosening two screws (M).

6.Remove belt (A, Figure 5-8) from around sheaves.

To Install Belt:

1.Route belt (A, Figure 5-8) around sheaves as shown.

2.Have an assistant hold down Operator Presence Control and then push the Blade Drive Control forward until it latches in place (Figure 5-7).

3.With the Blade Drive Control lever en- gaged, adjust and tighten belt guide (B) to 1/32 - 1/16" away from tensioned belt. (Be sure that belt does not contact belt guide when belt is under tension.) Secure belt guide (C) rotated into posi- tion as shown in Figure 5-8.

4.Disengage Blade Drive Control.

5.Re-tighten two screws (M, Figure

5-8) that secure flap bracket (N).

6.Reinstall belt cover securely.

B

J

G

H

K

I

C

L

X

A

M N M

Figure 5-8: Blade drive.

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