Section 5: Maintenance & Lubrication
AFM4214 and AFM4216 All-Flex Grooming Mowers 315-587M
11/19/21
37
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 5-1 & Figure 5-2 on page 36:
1. Verify blade rotation and bolt thread type (right-hand
or left-hand) before loosening center blade bolts and
removing blades to be sharpened or replaced.
Refer to Figure 5-4 & Figure 5-5:
2. Remove blades by grasping blade end (#1) with a rag
or thick padded glove while loosening the blade
mounting bolt (#4).
3. Remove blade bolt (#4) and Washer (#5) from blade
being replaced.
4. (Model AFM4216 Only.) Remove two outside
bolts (#6) from blade bar (#2).
5. Reinstall blade (#1), blade washer (#5), and bolt (#4).
Care should be taken when installing the blade bolt to
not get it cross threaded and to know if the bolt is
right-hand or left-hand. Torque bolt to 75 ft.-lbs.
6. (Model AFM4216 Only.) Reinstall the two outside
bolts. Tighten to correct torque listed in The “Torque
Values Chart” on page 54.
NOTE:
Blade bolt on the left-hand deck is right-
hand threads. Blade bolts on the right-hand and
center decks are left-hand threads.
Refer to Figure 5-5, Model AFM4216 only:
The two outside blade bar bolts (#6) are always
right-hand threads.
IMPORTANT:
Replace mower blades with genuine
IMPORTANT:
Always install blade with cutting edge
facing direction of rotation and wing tips pointing up.
IMPORTANT: (AFM4216 ONLY, See Figure 5-5)
Loctite is not required if blade bar (#2) is not
removed. However, If blade bar (#2) is removed from
spindle shaft (#3), apply “Loctite 243” to external
spindle shaft threads and to center bolt threads (#4).
Model 4214 Blade Removal
Figure 5-4
Model 4216 Blade and Blade Bar Removal
Figure 5-5
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