18
Section 4: Maintenance and Lubrication
FDR3590 Rear Discharge Grooming Mowers 310-229M
12/10/07
Land Pride
Table of Contents
Refer to Figure 4-2 & Figure 4-2:
1.
Verify blade rotation and bolt thread type (right hand
or left hand) before loosening center blade bolts and
removing blade to be sharpened or replaced. The
FDR3590 is equipped with right hand threaded center
blade bolts.
Blade Placement
Figure 4-2
Refer to Figure 4-3:
2.
Remove blades by grasping the blade end with a rag
or thick padded glove while loosening the blade
mounting bolt.
3.
Remove center blade bolt (#4) and two outside blade
bar bolts from the bottom of the blade to be replaced.
4.
Reinstall blade, blade washer and bolt. 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. Do not exceed 55 ft.-lbs. of torque on bolt.
5.
Reinstall the two outside bolts. Tighten to correct
torque listed in the Torque Values Chart in the
“Appendix” section on page 25.
IMPORTANT: Center Blade bolts have right hand
threads.
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Blades Rotation: CW / Center Blade Bolt: R.H Threads
IMPORTANT: Replace blades with Land Pride blades
only.
IMPORTANT: Always install blades with cutting edge
facing direction of blade spindle rotation and with wing
tips pointing up towards bottom of deck.
IMPORTANT: See Figure 4-3. Loctite is not required
if blade (#1) is removed without removing blade bar
(#2). However, If blade bar (#2) is removed from
spindle shaft (#3), then apply loctite 243 to spindle
shaft threads and to center bolt threads (#4).
Blade & Blade Bar Removal
Figure 4-3
Blade Sharpening or Replacement
!
CAUTION
ALWAYS wear eye protection and gloves when sharpening a
blade.
1.
If the blade cutting edge is dull or nicked, it should be
replaced or sharpened. Remove blades for replacing
or sharpening by grasping end of the blade using a rag
or a thick, padded glove, while loosening and
removing the bolt/bolts that mount the blade.
2.
Clean blade, blade washer and mounting surface of
all debris before replacing or sharpening. Grind
cutting edge at the same bevel as the original. See
Figure 4-4. Sharpen only the top of the cutting edge
to maintain sharpness.
Blade Sharpening
Figure 4-4
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IMPORTANT: Always install blade with the cutting
edge facing direction of rotation.
IMPORTANT: Replace blades with Land Pride blades
only.
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