Park the machine on a level surface.
Disengage the blade-control switch.
Engage the parking brake.
Shut off the engine and remove the key.
Parts needed for this procedure:
Extension spring | 1 |
Short shoulder bolt | 1 |
Nut | 1 |
Long shoulder bolt | 1 |
Move the mower deck to the lowest height-of-cut position.
Install the short shoulder bolt and nut onto the deck-lift lever (Figure 1). Torque it to 37 to 45 N∙m (324 to 396 in-lb).
Place the hook end of the extension spring over the shoulder bolt (Figure 1).
Install the long shoulder through the height-of-cut plate and into the extension spring (Figure 1).
Adjust the spring tension to the appropriate distance between the spring adjuster and the height-of-cut plate for your machine (Figure 2); refer to the following table.
Deck size | Distance |
122 cm (48 inch) | 3.8 cm (1-1/2 inch) |
137 cm (54 inch) | 1.3 cm (1/2 inch) |
152 cm (60 inch) | 1.3 cm (1/2 inch) |