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Service Mower - Page 34
SERVICE MOWER
Checking Mower Blades
To check for a bent blade:
1. Lower mower. Measure distance between blade tip and
flat ground surface.
2. Turn blade 180 degrees. Measure distance between
blades other tip and flat ground surface.
3. If the distance between the two measurements is more
than 3 mm (1/8 in), install new blade.
Servicing Mower Blades
REMOVING MOWER BLADES
1. Raise mower deck to gain access to mower blades. If
necessary, remove mower deck.
2. Using a wooden block, prevent mower blades from
spinning.
3. Loosen and remove cap screw (A), hardened washer
(B), cupped blade washer (C) and blade (D).
4. Inspect blades; sharpen/balance or replace as
necessary.
INSTALLING MOWER BLADES
1. Lightly lubricate cap screw threads with a general
purpose grease or oil. This lubrication is to prevent rusting
and seizing.
2. Position mower blade (D) with the cutting edge towards
the ground onto the mower spindle.
3. Install cupped blade washer (C) with cup side toward the
blade.
4. Install hardened washer (B).
5. Install and tighten cap screw (A) by hand until mower
blade is in full contact (fully seated) with spindle.
6. With mower blade blocked, to prevent spinning, tighten
cap screws to 56 N•m (41 lb-ft.)).
c CAUTION: Avoid injury. Before adjusting
Mower Belt Tension: STOP engine. Remove key.
Wait for all moving parts to STOP.
c CAUTION: Avoid injury. Be careful, sharp
edges on mower blades. Always wear gloves
when handling mower blades.
M88119b
A
C
D
B
M88112h
B
C
A
D