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Service Mower - 21
SERVICE MOWER
M61830
• Keep original bevel (A) when grinding.
• Blade should have 0.40 mm (1/64 in.) cutting edge (B)
or less.
• Balance blades before installing.
Replacing Mower Spindle Bearings
1. Park machine safely. (See Parking Safely in the Safety
section.)
2. Remove mower deck drive and spindle drive belt.
3. Remove mower blade.
MX9222A
4. Remove upper pulleys:
• Side Spindles: Remove nut (A), spacer (B) and
pulley (C).
• Center Spindle: Remove nut (D), drive pulley (E)
and spindle pulley (F).
5. Remove spindle shaft (G), lower bearing (H) and spacer
(I) from spindle housing (J). Discard bearing.
6. Remove and discard upper bearing (K).
7. Clean entire assembly.
8. Install a new lower bearing (H) and spacer (I) on the
spindle shaft (G).
9. Install the spindle shaft (G), lower bearing (H) and
spacer (I) into the spindle housing (J).
10.Install the upper bearing (K).
A
B
IMPORTANT: Avoid damage! The clearance between
the lower bearing and the housing is only 0.05 mm
(0.002 in.). Do not force bearing into housing.
A
B
C
D
E
F
K
J
I
H
G