John Deere GT2554 - Manual (Page 37)

Service Mower - 33
SERVICE MOWER
4. Install blade washers (B) and make sure two index
marks (E) are visible when installed.
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 screw (A) to 84 N•m (62 lb-ft).
Sharpening Blades
1. Sharpen blades with grinder, hand file or electric blade
sharpener.
2. Keep original bevel (A) when grinding.
3. Blade should have 0.40 mm (1/64 in.) cutting edge (B).
Balancing Blades
1. Clean blade.
2. Put blade on nail in vise or on vertical wall stud. Turn
blade to horizontal position.
3. If blade is not balanced, heavy end of blade will drop.
4. Grind bevel of heavy end. Do not change bevel.
IMPORTANT: Avoid damage! Some blade washers
(B) have two index marks (E). When these blade
washers are installed, index marks must be visible.
This will indicate that cup side of washer is toward
blade (C).
c
CAUTION: Avoid injury! Wear goggles and
gloves when handling blades.
M88127A
E
B
C
A
A
B
c
CAUTION: Avoid injury! Wear goggles and
gloves when handling blades.