Installation

Preparing the Machine

  1. Park the machine on a level surface.

  2. Move the motion-control levers to the NEUTRAL-LOCK position.

  3. Engage the parking brake.

  4. Lower the mower deck to the lowest height of cut.

  5. Shut off the engine and remove the key.

Removing the Belt Covers

Remove the belt covers (Figure 1).

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Removing the Reverse-Drive Cover

Remove the 3 self-tapping screws securing the reverse-drive cover and remove the cover from the right side of the mower deck (Figure 2).

Retain the 3 self-tapping screws for installation in Installing the Right Pulley-Mount Guard and Pulley Guard.

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Installing the Right Pulley-Mount Guard and Pulley Guard

Parts needed for this procedure:

Right pulley-mount guard1
Right pulley guard1
Clip3
Push nut3
Flange-head bolt (1/4 x 3/4 inch)3
  1. Secure the right pulley-mount guard to the belt guard using the previously removed 3 self-tapping screws (Figure 3).

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  2. Install 3 clips on to the right pulley-mount guard (Figure 4).

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  3. Secure the right pulley guard to the right pulley-mount guard using 3 flange-head bolts (1/4 x 3/4 inch) and 3 push nuts (Figure 5).

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Installing the Left Pulley-Mount Guard and Pulley Guard

Parts needed for this procedure:

Left pulley-mount guard1
Left pulley guard1
Clip4
Push nut4
Flange-head bolt (1/4 x 3/4 inch)4
Flange-head bolt (5/16 x 3/4 inch)1
Flange nut (5/16 inch)1
  1. Remove the button-head bolt (5/16 x 3/4 inch) and flange nut (5/16 inch) from the left side of the mower deck (Figure 6).

    Retain the button-head bolt (5/16 x 3/4 inch) and flange nut (5/16 inch).

    Note: Raise the mower deck to assist with installing the button-head bolt (5/16 x 3/4 inch) and flange nut (5/16 inch) in the next step.

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  2. Secure the left pulley-mount guard to the mower deck using the previously removed button-head bolt (5/16 x 3/4 inch) and flange nut (5/16 inch) and new flange-head bolt (5/16 x 3/4 inch) and flange nut (5/16 inch) as shown in Figure 7.

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  3. Install 4 clips on to the left pulley-mount guard (Figure 8).

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  4. Secure the left pulley guard to the left pulley-mount guard using 4 flange-head bolts (1/4 x 3/4 inch) and 4 push nuts (Figure 9).

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Installing the Brace Bracket

Parts needed for this procedure:

Brace bracket1
  1. Remove the floor pan (Figure 10).

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  2. Remove the 2 locknuts (1/4 inch) from the rubber bumpers on the cross brace (Figure 11).

    Retain the 2 locknuts (1/4 inch).

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  3. Secure the brace bracket to the cross brace and rubber bumpers using the previously removed 2 locknuts (1/4 inch) as shown in Figure 12.

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Installing the Support Rods to the Skirt Guard Assembly

Parts needed for this procedure:

Skirt guard assembly1
Front, upper support rod1
Front, lower support rod1
Left, upper support rod1
Right, upper support rod1
Left, lower support rod1
Right, lower support rod1
Flange nut (5/16 inch)5
Washer—For 72-inch decks only1
Flange-head bolt (5/16 x 3/4 inch)5
  1. Thread 1 front, upper support rod, 1 front, lower support rod, 1 left, upper support rod, 1 right, upper support rod, 1 left, lower support rod, and 1 right, lower support rod into the skirt guard assembly (Figure 13).

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  2. Remove the 2 button-head bolts (5/16 x 3/4 inch) and 2 flange nuts (5/16 inch) from the front of the mower deck (Figure 14).

    Retain the 2 button-head bolts (5/16 x 3/4 inch) and 2 flange nuts (5/16 inch).

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  3. Position the assembled skirt guard underneath the frame, behind the caster wheels.

  4. Secure the front, lower support rod using the previously removed 2 button-head bolts (5/16 x 3/4 inch) and 2 flange nuts (5/16 inch) as shown in Figure 15.

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  5. Remove the front, right flange nut (3/8 inch) from the gearbox mount and the hex-head bolt (1/2 x 2-1/2 inches), washer, and locknut (1/2 inch) from each mower deck strut (Figure 16 and Figure 17).

    Retain the flange nut (3/8 inch), 2 hex-head bolts (1/2 x 2-1/2 inches), 2 washers, and 2 locknuts (1/2 inch).

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  6. Secure the right, lower support rod to the deck strut and gearbox mount using the previously removed flange nut (3/8 inch), hex-head bolt (1/2 x 2-1/2 inches), washer, and locknut (1/2 inch) as shown in Figure 18 and Figure 19.

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  7. Secure the left, lower support rod to the front, lower support rod using the previously removed hex-head bolt (1/2 x 2-1/2 inches) and locknut (1/2 inch) and new 1 flange-head bolt (5/16 x 3/4 inch), 1 washer, and 1 flange nut (5/16 inch) as shown in Figure 20.

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  8. Remove the 2 locknuts (1/2 inch) from the front cross-shaft supports (Figure 21).

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  9. Secure the front, upper support rod to the front cross-shaft supports using the previously removed 2 locknuts (1/2 inch) to the front cross-shaft support (Figure 22).

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  10. Torque the 2 locknuts (1/2 inch) to 77 to 126 N∙m (57 to 93 ft-lb).

  11. Secure the left, upper support rod and right, upper support rod to the brace bracket using 2 flange-head bolts (5/16 x 3/4 inch) and 2 flange nuts (5/16 inch) on each side (Figure 23).

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Installing the Frame Guards

Parts needed for this procedure:

Left frame guard1
Right frame guard1
Flange-head bolt (5/16 x 3/4 inch)4
Flange nut (5/16 inch)4

Secure the left frame guard and right frame guard to the frame brackets using 2 flange-head bolts (5/16 x 3/4 inch) and 2 flange nuts (5/16 inch) on each side (Figure 24).

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Installing the CE Covers

Parts needed for this procedure:

Left CE cover1
Right CE cover1
  1. Tilt the operator’s seat forward.

  2. Remove the 4 flange nuts (3/8 inch) from the seat-support plate (Figure 25).

    Retain the 4 flange nuts (3/8 inch).

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  3. Secure the left CE cover and right CE cover to the seat-support plate using the previously removed 4 flange nuts (3/8 inch) as shown in Figure 26.

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Installing the Floor Pan

Parts needed for this procedure:

Captive adapter1
Flange-head bolt (1/4 x 3/4 inch)2
Flat washer2
Clip2
Push nut2
  1. Install 2 clips on to the captive adapter (Figure 27).

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  2. Secure the previously removed floor pan using the captive adapter, 2 flange-head bolts (1/4 x 3/4 inch), 2 flat washers, and 2 push nuts (Figure 28).

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Applying the Decals

Parts needed for this procedure:

Decal 133-56231
Decal 144-6905—60-inch decks with 25 HP Yanmar diesel engine only1
Decal 144-6906—72-inch decks with 25 HP Yanmar diesel engine only1
Decal 144-6907—60-inch decks with 37 HP Yanmar diesel engine only1
Decal 144-6908—72-inch decks with 37 HP Yanmar diesel engine only

Apply decals 133-5623 and 144-6905, 144-6906, 144-6907, or 144-6908 to the left side of the machine frame near the serial decal using the dimensions shown in Figure 29.

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