
50
Section 5: Maintenance & Lubrication
ZT60i & ZT72i (S/N 748109-) Accu-Z
®
Zero Turn Mowers 357-398M
4/1213
Table of Contents
Refer to Figure 5-23 and Figure 5-24:
Lay the blade on a flat surface and check for distortion.
Replace any distorted blade.
Do not re-use spindle bolts which have stripped, worn or
undercut threads. Refer to “Torque Values Chart” on
page 62 when replacing hardware for proper torque.
!
WARNING
When mounting blades, rotate them after installation to ensure
blade tips do not touch each other or sides of the mower.
!
WARNING
Failure to correctly torque the bolt may result in the loss of the
blade which can cause serious injury.
Comparison of Warped and Straight Blades
Figure 5-23
End View of Blades, Twisted & Straight Blades
Figure 5-24
24579
Warped Blade (Replace)
Straight Blade
Cutting Plane
24579
Cutting Edge
Cutting Edge
Twisted Blade (Replace)
Straight Blade
Cutting
Plane