-69-
Maintenance
7
1. Open the grass chute cover.
2. Check for wear, breakage, and missing cutting
blades.
Inspection
5317M-0709-020-E
Cutting blade
Grass chute cover
(open state)
5317M-0709-030-E
3. Replace worn, deformed or broken blades or
bolts. Blade should be replaced when wear
exceeds cross hatched area as shown in
illustration to left. Observe above CAUTION
when replacing blades.
4. Replace missing cutting blades and bolts.
Inspecting and Replacing Cutting Blades
* Immediately replace broken cutting blades to avoid unbalanced rotation in the
rotary cutter causing irregular vibrations and failure.
* Always replace blades in pairs to avoid unbalanced rotation causing irregular
vibrations and failure.
* Always check the cup square neck bolt wear and replace if heavily worn.
* Wear thick gloves when handling the cutter blades and handle them carefully,
wrapping their tips with thick cloth.