How to Install a John Deere LA145 Snow Blade

Written by tom becker
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How to Install a John Deere LA145 Snow Blade
Snow drifts can harden in place if not removed promptly. (snow image by muymalo from Fotolia.com)

Even in the dead of winter, a John Deere LA145 lawn tractor can help with heavy-duty outdoor work. John Deere manufactures a 46-inch snow blade which may be attached to the LA145 to convert it into a small snow plough. With its 22-horsepower V-twin engine, the LA145 can stand up to sizeable snow banks, but not if the snow blade is improperly attached. With some simple tools and by following the correct steps, you can install a snow blade on a John Deere LA145.

Skill level:
Moderate

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Things you need

  • Adjustable wrench
  • Pliers

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Instructions

  1. 1

    Park the John Deere LA145 lawn tractor in a safe working area.

  2. 2

    Move the attachment lift lever to its lowest position to lower the mower deck.

  3. 3

    Locate the mower engagement drive cable. The cable passes through a long, silver housing and is held in place by a bracket with two bolts.

  4. 4

    Remove the spring locking pin with pliers; pull the mower engagement drive cable out of the bracket and away from the deck.

  5. 5

    Locate the cable spring. This spring is a large silver spring with a hook end and a loop end.

  6. 6

    Unhook the cable spring from the idler sheave bracket. This bracket is the metal, rectangular bracket to which the hook end of the cable spring is attached.

  7. 7

    Remove, with pliers, the spring locking pins that attach the rear draft arm and lift links to the deck. Remove the washers from behind each pin.

  8. 8

    Disconnect the rear draft arm and adjustable lift links located on either side of the mower deck. These parts were held in place by the locking pins and washers.

  9. 9

    Remove the locking pin securing the front draft rod to the mower deck with pliers.

  10. 10

    Remove the washer from the front draft rod and remove the front draft rod from the mower deck.

  11. 11

    Slide the mower drive belt off the drive sheave. This sheave is the wheel beneath the front two wheels of the mower that drives the sheaves on the mower deck.

  12. 12

    Remove the mower deck from the lawn tractor.

  1. 1

    Slide the pins on either side of the blade's hitch plates into the corresponding notches in the tractor's mounting bracket.

  2. 2

    Install the two included 5/8-by-1.5-inch clevis pins and the 1/8-inch spring locking pins in either side of the blades hitch plates. These pins are inserted just below the notches in the tractor's mounting bracket.

  3. 3

    Tighten the 8-mm screws attaching the mounting bracket to the lawn tractor with an adjustable wrench.

  4. 4

    Line up the holes of the pivot support bracket of the blade with the holes in the push channel assembly. The push channel assembly is the rectangular bar located in between the front of the tractor and the blade.

  5. 5

    Insert the included channel pivot pin through the aligned holes in the pivot support bracket and push channel assembly.

  6. 6

    Slide the included 17/32-inch washer on the opposite end of the channel pivot pin and secure the pin in place with the included 3/32-inch spring locking pin.

  7. 7

    Insert the lift handle rod into the remaining hole in the channel lift assembly.

  8. 8

    Insert the lift link pin into the pivot support bracket and through the lift handle rod. Secure the pin in place with the included 17/32-inch washer and 3/32-inch spring locking pin on its opposite side.

  9. 9

    Insert one end of the blade pivot rod into the blade pivot shaft and insert the other end into the lift handle tube. This shaft allows the operator to adjust the angle of the snow blade during operation.

  10. 10

    Insert a 3/32-inch spring locking pin at both ends of the blade pivot rod to secure the rod in place.

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