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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.