Install Gearbox

Install Gearbox (54D)

1. 
   LV23979-UN-04AUG15

   Gearbox 54D

   A - Gear Case Assembly

   B - Belt

   C - Bracket

   D - Bracket

   E - Bolt (M10x25)

   F - Bolt (M10x25)

   G - Nuts

   Lower gearbox assembly (A) onto mower while routing belt (B) around gearbox pulley and between legs of gearbox brackets (C, D) as shown. Removal of bracket (D) from mower may be required for belt routing.

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2. Loosely install two M10x25 bolts (E) through front bracket (C) into gearbox.

3. Loosely install two M10x25 bolts (F) through rear bracket (D) into gear case.

4. Tighten four M10 gearbox mounting bolts (E, F) to 73 N•m (54 lb.-ft.).

5. Tighten two rear gearbox mounting bracket nuts (G) to 73 N·m (54 lb·ft).

6. 
   LV23980-UN-04AUG15

   Gearbox 54D

   A - Spring

   B - Tensioner Arm

   C - Bracket

   Attach spring (A) to tensioner arm (B) and bracket (C) on mower.

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7. Check all pulleys for proper belt alignment.

Install Gearbox 60D

1. 
   LV23981-UN-04AUG15

   A - Gear Case Assembly

   B - Belt

   C - Bracket

   D - Bracket

   E - Bolt (M10x25)

   F - Bolt (M10x25)

   G - Nut (M10)

   H - Nut (M12)

   Lower gearbox assembly (A) onto mower while routing belt (B) around gearbox pulley and between legs of gearbox brackets (C, D) as shown.

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2. Loosely install two M10x25 bolts (E) through front bracket (C) into gearbox.

3. Loosely install two M10x25 bolts (F) through rear bracket (D) into gearbox.

4. Tighten four M10 gearbox mounting bolts (E, F) to 73 N·m (54 lb·ft).

5. Tighten rear gearbox mounting bracket nuts:

   1. Tighten one M10 nut (G) to 73 N·m (54 lb·ft).

   2. Tighten one M12 nut (H) to 119 N·m (88 lb·ft).

6. 
   LV23982-UN-04AUG15

   A - Spring

   B - Tensioner Arm

   C - Bracket

   Attach spring (A) to tensioner arm (B) and bracket (C) on mower.

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7. Check all pulleys for proper belt alignment.