Install Snowblower

MXT007403-UN-06JUN13

MXT007274-UN-29MAY13

A - Lift Pedal

B - Lock Lever

C - Lift Lever

IMPORTANT: Avoid damage! Both the auger gearbox and the snowblower drive gearbox oil levels should be checked, and oil added if necessary, before installation. This procedure should be performed with the snowblower removed from the machine. See “Checking Gearbox Oil” in the Service section for details.

1. Lower attachment linkage:

   44 in. Models with Mechanical Lift System

   1. Pull lift pedal (A) back by hand to lower linkage to the lower/down position.

      CAUTION: Avoid injury! Lift pedal is spring-assisted and may have unexpected movement. Lock lift pedal when installing or removing attachment.

   2. Pull lock lever (B) up to lock linkage in the lowered position.

   44 in. and 47 in. Models with Hydraulic Lift System

   Push down on lift lever (C).

2. 
   MXT007280-UN-29MAY13

   Picture Note: Top view - Gearbox not shown for clarity.

   D - Drive Belt

   E - Gearbox Drive Sheave

   F - Idler Sheave

   G - Tensioning Sheave

   H - Machine Drive Sheave

   Check snowblower drive belt (D) for wear and proper routing:
   • Belt is routed around gearbox drive sheave (E), and inside of belt guards on idler sheave (F) and tensioning sheave (G), then to machine drive sheave (H).
   • The tensioning spring connects to the tensioning sheave pivot arm, under the sheave.
   • Belt must be installed on gearbox drive sheave from below, if it requires replacement.
   
   

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3. 
   MXT007361-UN-29MAY13

   I - Blower Support

   J - Front Attachment Hitch

   K - Support Pins

   L - L-Pins

   Align blower support (I) with front attachment hitch (J).

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4. Secure blower support pins (K) onto top slots in front attachment hitch.

5. Pull L-pins (L), on each side, outward and lower blower support bracket. Release L-pins and lock blower support in place.

6. 
   MXT007362-UN-29MAY13

   M - Chute and Spout Bracket

   N - Rotation Handle Bracket

   O - Carriage Bolt, M8 x 20

   P - Washer, M8.4

   Q - Lockwasher

   R - Knob

   Align the slot at the bottom of the chute and spout bracket (M) over the locating screw at the outside of the rotation handle bracket (N).

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7. Insert an M8 x 20 carriage bolt (O), from the inside, through the square mounting hole in the rotation handle bracket (N), and the mounting hole at the bottom of chute and spout bracket (M). Secure with an M8.4 washer (P), 3/8 in. lock washer (Q), and knob (R).

8. CAUTION: Avoid injury! Attachment can lower rapidly. Attachment is heavy and can crush.

   Keep bystanders, especially children, away when lowering attachment.

   Support raised attachment with a mechanical stop or lower completely to the ground before servicing.

   Install drive belt on machine drive sheave:

   1. Raise and block-up snowblower.

   2. Pull on spring-loaded tensioning sheave arm to remove tension on belt.

   3. Install belt on machine drive sheave (PTO clutch).

   4. Release tensioning sheave arm.

   5. Raise snowblower, remove support, and lower snowblower to ground.

9. 
   MXT007363-UN-29MAY13

   S - Drive Belt

   T - Steering Cylinder Fitting

   Check for interference between drive belt (S) and the left side fitting (T) on the machine steering cylinder. If necessary, rotate fitting down approximately ten degrees to eliminate interference and premature belt wear.

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10. Raise snowblower fully to test lift adjustment:

    Models with Mechanical Lift System

    • Pull up slightly on foot pedal (A) and push down on lock lever (B) to unlock latch, then push foot pedal all the way down and lift lock lever to lock blower in raised position. The snowblower should be approximately 10.2 cm (4 in.) off the ground when in fully raised position.
    • If snowblower will not lock in raised position, adjust lift height down and recheck.
    
    

    Models with Hydraulic Lift System

    • Start engine and pull up on lift lever (C) to fully raise snowblower. The snowblower should be approximately 10.2 cm (4 in.) off the ground when in the fully raised position.
    • Adjust lift height if required and check for any binding of lift linkage.