Ariens 915013 Lawn Mower User Manual


 
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8.1 PTO JACKSHAFT REMOVAL
1. Place the unit on a flat level surface, and lower the
mower pan.
2. Open the front panel by removing the two cap
screws in the lift handle cover plate. Remove the
two tap tites in the front panel and remove panel
exposing the battery and electrical system.
3. Remove the negative lead from the battery, and the
ignition coil lead from the spark plug(s) on the
engine.
4. Support the unit on jack stands. Remove the right
drive wheel.
5. Remove the jackshaft idler tension spring from the
transaxle subframe.
6. Unplug the PTO clutch from the wire harness.
7. Remove the PTO drive belt from the PTO clutch
and the top of the mower pan jackshaft.
8. Remove the four grade 5 cap screws on the top of
the frame holding the jackshaft assembly into the
frame.
8.2 PTO JACKSHAFT REPAIR
1. Place the jackshaft assembly on a workbench.
Remove the grade 5 cap screw from the top of the
jackshaft assembly, and the grade 5 cap screw
from the bottom of the jackshaft assembly.
2. Remove the PTO clutch, the jackshaft sheave, and
pull the spindle shaft out of the bearings that are
pressed into the spindle housing.
3. Check spindle bearings for wear and replace as
needed.
4. Insert the spindle shaft into the spindle housing.
Hold in place with a flat washer, lock washer, and
grade 5 cap screw. Treat the cap screw with Loctite
#271 in reassembly.
5. Add key to spindle shaft and install the jackshaft
sheave.
6. Check electric PTO clutch for proper function and
operation prior to installation on the spindle shaft.
7. Install the grade 5 cap screw in the bottom of the
PTO clutch treated with Loctite #271 and torque tip
and bottom cap screws to 40 ft-lbs (54.2 Nm).
8.3 PTO JACKSHAFT INSTALLATION
1. Prior to installing the jackshaft assembly into the
unit frame, check the condition of the clutch anchor
strap. Repair or replace if necessary.
2. Place the jackshaft drive belt into the jackshaft
sheave while reinstalling the PTO clutch jackshaft
assembly into the frame of the unit.
3. Hold in place with four grade 5 cap screws
removed earlier. Torque to 25 ft-lbs (33.8 Nm)
4. Reattach the jackshaft idler tension spring to
transaxle subframe and plug the PTO wiring into
the clutch.
5. Reinstall the right drive wheel. Remove the unit
from the jack stands.
6. Install the PTO belt from the PTO clutch to the top
of the mower deck jackshaft.
7. Rotate the mower deck blades by hand. Check the
routing of the belt and function of the idlers.
8. Reattach the negative lead to the battery, and the
ignition coil lead to the spark plug(s) on the engine.
SECTION 8 - POWER TAKE OFF