BLADE SHAFT ASSEMBLY
WARNING
!STOP THE ENGINE, REMOVE BATTERY
CABLE AND SUPPORT THE DECK BEFORE
WORKING UNDERNEATH. FAILURE TO
DO SO MAY RESULT IN SERIOUS INJURY
OR DEATH.
BLADE REPLACEMENT
1. Secure the deck and position the blades for easy access.
2. Remove the (8) cap screws P#(K0297) from the cutting blades.
3. Inspect the cutting blade P#(TBB-0190), and sharpen if possible. When sharpening, use
Figure 2-1a for reference.
4. Check the cutting tooth P#(TBB-0165) for wear. If the cutting tooth needs replacement, mount
the new tooth 5/8” from the tip of the tooth to the face of the hammer module P#(TBB-0137).
5. Install the cutting blades as shown in Figure 2-1b.
SHARPEN AT
45 DEGREES
CUTTING
BLADE
Figure 2-1a
(1) J0259
OIL SEAL
(2) K0302
3/4”-10
LOCK NUT
(1) TBB-0135
BLADE BAR
(2) TBB-0178
PIVOT
WASHER
(2) TBB-0165
CUTTING
TOOTH
(4) TBB-0190
CUTTING
BLADE
(8) K0297
3/8”-16 x 3/4”
SHCS
(2) K0298
3/4”-10 x 2-1/4”
SHCS
(2) TBB-0163
PIVOT
BUSHING
(5) K1247
1/2”-20
LOCK NUT
(2) TBB-0137
HAMMER
MODULE
(1) N0152
UPPER
BEARING
(1) TBB-0023
SPINDLE
HOUSING
(1) N0153
LOWER
BEARING
(1) TBB-0197
SHAFT
ASSEMBLY
ROTATION
DIRECTION
ROTATION
DIRECTION
Figure 2-1b
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