John Deere stx38 - Manual (Page 303)

3/21/97
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MISCELLANEOUS MOWER DECKS
SPINDLES—
STX30 &
STX38 (SN —210000)
NOTE: STX30 spindle is shown, STX38 is similar.
Late model spindles (SN 210000— ) are not
serviceable, they must be replaced as a
complete assembly if any parts are bad.
Repair
1. Remove belt, nut, bolts, sheave and blade to
remove spindle.
2. Press shaft down through hub.
3. Remove snap ring.
4. Press on inner and outer races of bearing to
remove bearing and spacer.
5. Invert hub and press out bearing.
6. Inspect and replace parts as necessary.
7. Press bearing into hub until it contacts snap ring.
8. Insert spacer in hub. Fill area around spacer half full
with John Deere Multipurpose Grease or
equivalent.
9. Support bearing and press bearing against spacer.
10. Install snap ring and grease outside of bearing.
11. Support inner race of bearing and press shaft into
hub.
12. Check rolling torque of spindle. Maximum allowable
torque is 0.07 N•m (0.6 lb-in.)
Specifications
Hub to Mower Deck Bolt . . . . . . . . . 25 N•m (19 lb-ft)
Sheave Nut . . . . . . . . . . . . . . . . . . . 125 N•m (93 lb-ft)
STX38 (SN 210001— ) &
STX46 (SN 240001— )
IMPORTANT: The most common cause of bent or
broken spindles is due to the blade hitting the
ground, tree roots, stumps, other objects, or
mower deck dropping off left system in rough
terrain/conditions.
STX38 (M00STXC210001—271586)
STX38 (M00STXD210001—270000)
STX38 (M00STXE210001—271742)
STX38 (M00STXH270001—277924)
STX38 (M00STXJ270001—275551)
STX46 (M00STXF240001—270000)
STX46 (M00STXG240001—270000)
STX46 (M00STXK270001—270317)
STX46 (M00STXL270001—270356)
The following is a list of optional equipment
available for these conditions:
STX38—Mower Deck Retaining Brackets
STX38—Gauge Wheel Kit
New spindles have a larger weld and increased
flange material thickness. New spindles are
used in production beginning with the following
Product Identification Numbers:
STX38 (M00STXE271743— )
STX38 (M00STXH277925— )
STX38 (M00STXJ275552— )
STX46 (M00STXK270318— )
STX46 (M00STXL270357— )
NOTE: Spindles are not serviceable, they must be
replaced as a complete assembly if any parts
are bad.
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CAUTION
Blades are sharp and could cause personal
injury. Wear gloves or wrap blades with shop
cloths to remove and install blades. DO NOT
hold blade with bare hand. Use a block of wood
wedged between deck and blade to keep spindle
from turning.
Spindle Nut
Sheave
Key
Upper Bearing
Spacer
Hub
Snap Ring
Lower Bearing
Spindle Shaft
Blade
Knife
Belt
Spacer
Bolt
Snap Ring
Washer
Nut
Thrust Washer
Cap Screw
M52011