Ariens 936022 (Sierra 1340G) Service Manual download pdf (Page 63)

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12.5 SPINDLE INSTALLATION

1. Place the spindle housings into the mower deck

stamping and attach with new hardware.

2. Insert spindle shaft and sheave assemblies into the

spindle housings with spacer washer under

sheaves.

3. Reattach the right side mower support arms to the

mower deck stamping.

4. Reattach the mower deck spindle drive belt.

5. Reinstall the bearing slinger, spindle key, retainer

hub, blade trays, and mower deck blades with

hardware removed earlier.

6. Check mower deck blades for clearance inside of

the mower deck stamping and mounting flatness.

12.6 40" JACKSHAFT REMOVAL AND

REPAIR

1. Remove the mower deck idler tension spring from

the spring anchor.

2. Remove the mower deck drive belt from the

jackshaft assembly.

3. Remove the hardware holding the jackshaft

assembly to the mower deck stamping, remove the

assembly.

4. Remove the nylock nut on the top of the spindle

assembly and remove the double pulley assembly.

5. Check the bearings, and spindle shaft for wear and

replace the damage parts.

6. Bearings need to be removed with a bearing puller

and replaced with a bearing driver in a press.

NOTE:

The bearings should have a light press fit to the

bore of the pulley assembly, to tight of a press fit will

preload the bearing and cause premature bearing fail-

ure.

7. Check idler arm pivot bushings for wear and

movement, check the idler for run out and

interferences.

8. Reassemble the double pulley assembly with the

bearing spacer tube inside the assembly.

9. Place the double pulley assembly onto the spindle

shaft and hold in place with a flat washer and

nylock lock nut.

12.7 40" JACKSHAFT INSTALLATION

1. Place the jackshaft assembly on the mower deck

stamping and attach with new hardware and torque

according to the torque table.

2. Reinstall the mower spindle drive belt onto the

jackshaft assembly and attach the mower deck

idler tension spring to the spring anchor.

3. Rotate the mower jackshaft assembly and check

routing of the belt and idler clearance to the mower

deck stamping.

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Ariens 936022 (Sierra 1340G) Service Manual Page 63

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