SERVICE MOWER
INSTALLING MOWER BLADES
1.Lightly lubricate cap screw threads with a general purpose grease or oil. This lubrication is to prevent rusting and seizing.
CD
B
A
M88112h
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
CAUTION: Avoid injury! Be careful, sharp edges on mower blades. Always wear gloves when handling 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.
NOTE: Before removing hardware, note the orientation of the cupped blade washer (C) to ensure proper installation.
E
D
C
B
A
M88119c
3.Loosen and remove cap screw (A), hardened washer (B), cupped blade washer (C), blade (D) and deflector cup
(E).
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.
E
C D
B
A
M88112h
2.Install deflector cup (E) on spindle.
3.Position mower blade (D) with the cutting edge towards the ground onto the mower spindle.
4.Install cupped blade washer (C) with CUPPED SIDE toward the blade.
5.Install hardened washer (B).
6.Install and tighten cap screw (A) by hand until mower blade is in full contact (fully seated) with spindle.
7.With mower blade blocked, to prevent spinning, tighten bolt to 56 N•m (41
Service Mower - 39