38
BLADE SPINDLE ASSEMBLY
REMOVAL
(Refer to Fig. 21)
1. It is not necessary to raise machine to re-
move the blade spindle assembly.
2. Raise the mower deck to the highest position.
3. Remove blade. Be careful handling sharp
blades. Use protective material and block
securely when removing blades.
4. Lower mower deck to the lowest (1.5 inch)
cut height.
5. Remove belt shields.
6. Remove deck belt. See Deck Belt
Replacement section above.
7. Remove the top bolt (2) and cup washer (3)
from the spindle sheave (1).
8. Mark spindle sheave (1) on the topside so it will
not be installed upside down on re-assembly.
9. Remove the spindle sheave (1) with a wheel
puller. Make note if you remove any spacers
or washers not shown in the illustration, as
they will need to be reinstalled as they were
removed. Spindle shaft (9) may fall out of the
spindle assembly to the ground after removing
sheave.
10. Remove square key (16) and bearing shield (4)
and save for re-assembly.
11. Remove spindle assembly by removing the six
bolts or nuts (17 or 18) that attach the spindle
housing (7) to the mower deck. Spindle
assembly will fall to the ground if not supported.
Protect spindle housing as necessary.
BLADE SPINDLE ASSEMBLY
REPAIR/REPLACEMENT
(Refer to Fig. 21)
1. Remove blade spindle assembly as described
previously.
2. Press spindle shaft (9) down through bearings
(6) and spindle housing (7).
3. Press bearings (6) out of housing (7) or
remove from shaft (9) as necessary.
4. Visually inspect parts for excessive wear,
corrosion, or damage. Feel parts and rotate
bearing races to check for rough spots or
excessive wear.
5. Replace with new parts as necessary.
6. Install lower bearing (6) on spindle shaft (9).
7. Install bearing spacer (8) on shaft.
8. Install this assembly into housing (7).
9. Press top bearing (6) onto shaft (9) down
against bearing spacer (8).
10. Rotate assembly to make sure shaft moves
freely.
11. Secure spindle assembly to the mower deck
with the six nuts or bolts (17 or 18). Torque
to 21 ft lbs.
12. Install bearing shield (4), square key (16),
sheave (1), cup washer (3) and bolt (2) in
same sequence as removed. Place a block
under the spindle shaft (9) if necessary to
hold it up in the spindle housing.
13. Make sure the concave side of the cup washer
(3) is down toward the sheave and torque top
bolt (2) to 38 ft lbs.
14. Rotate assembly to check for free movement.
15. Install deck belt and belt shields.
16. Install blade and tighten bolt (15) to 50-55
ft lbs.
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