Section 5: Maintenance & Lubrication
AFM4522 All-Flex Grooming Mower 315-360M
11/18/21
37
Service Mower Blades
Blade Inspection
DANGER
!
To avoid serious injury or death:
•
Bent, deformed, or cracked blades should be removed from
unit and discarded. Never weld a broken or cracked blade.
DO NOT attempt to straighten or reuse such blades.
ALWAYS replace with a new OEM blade to assure safety.
•
Always disconnect driveline from the tractor and secure the
implement in the up position with solid, non-concrete
supports before servicing the underside. A person can
become entangled in the drivetrain if the tractor is started
and power take-off is engaged or crushed by an
WARNING
!
To avoid serious injury or death:
Exercise caution when working under the deck as the mower
cutting blades are extremely sharp. Wear a pair of gloves
when checking blades. Avoid direct contact with cutting edge
Blade Inspection
Figure 5-1
Refer to Figure 5-1:
Blade Wear:
Blade performance is reduced as blades
wear and are sharpened for reuse. Excessively high wear
can occur to your mower blades when mowing in sandy
soil areas. Frequent inspection should be made and
blades replaced if damaged.
Bent, Deformed, or Split Blades
should be removed
from unit and discarded.
DO NOT
attempt to straighten a
blade for reuse.
39325
Right-Hand and Center Deck Blade Placement
Figure 5-2
Left-Hand Deck Blade Placement
Figure 5-3
Blade Removal & Installation
CAUTION
!
To avoid minor or moderate injury:
Depending on blade rotation, bolts attaching mower blades to
their respective spindles may be either left-hand or right-hand
thread. Prevent spindle and/or bolt damage by knowing which
hand the threads are before removing and/or tightening any
Refer to Figure 5-2 & Figure 5-3:
1. Verify blade rotation and bolt thread type (right-hand
or left-hand) before loosening center blade bolt and
removing blade to be sharpened or replaced.
15591
Blades Rotation: CCW / Center Blade Bolt: L.H Threads
18718
Blades Rotation: CW / Center Blade Bolt: R.H Threads
NOTE:
Center blade bolt on the left-hand deck is
right-hand threads. Center blade bolt on the right-
hand and center decks are left-hand threads. The
two outside blade bar bolts are right-hand threads.