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Service Mower - 39
SERVICE MOWER
MX4897
Picture Note: Mower deck with side discharge used
for illustration.
3. Measure distance (A) between blade tip and flat ground
surface.
4. Rotate blade 180° and measure distance between other
blade tip and flat ground surface.
5. Install new blade if the difference between the two
measurements is more than 3 mm (1/8 in.).
6. Repeat for all blades.
Servicing Mower Blades
Removing Mower Blades
1. Raise mower deck to gain access to mower blades. If
necessary, remove mower deck.
2. Block mower blade with a piece of wood to prevent it
from spinning.
MX10510
3. Loosen and remove two cap screws (A) and blade (B).
Do not remove two nuts/bushings (C) inside holes of the
blade adapter.
4. Inspect blades; sharpen, balance or replace blades as
necessary.
Installing Mower Blades
MX10510
1. Make sure that two nuts/bushings (C) are in place.
2. Position mower blade (B) with the cutting edge towards
the ground.
3. Align the center hole (D) in the blade with the spindle
shaft (E) and put the blade onto the mower spindle.
4. Install and hand tighten cap screws (A) until mower
blade is in full contact (fully seated) with spindle.
5. Block mower blade with a piece of wood to prevent
spinning and tighten cap screws to 62 N•m (46 lb-ft).
c CAUTION: Avoid injury! Mower blades are
sharp. Always wear gloves when handling
mower blades or working near blades.
A
B
A
C
B
D
E
A
C