Questions? Call Toll Free at 1-800-737-2112 Copyright © 2019 MAT Engine Technologies, LLC
EN - 15
How to Change the Blade
F
WARNING
Do not sharpen the blade. Sharpening can damage the
blade and cause it to break, which can cause injury to you
or to others.
The blade is subject to nicks, scratches, and dents, which
will generally not affect function. The blade is also subject
to wear – reducing the cutting depth. Replace a worn blade
by following the steps below:
IMPORTANT:
Only use a replacement blade from the
manufacturer. To order spare parts call us at 1-800-737-2112.
NOTE: Replacing the blade requires two (2) 12” adjustable
wrenches, or two (2) 3/4 in. [19mm] wrenches.
1. Shut off engine.
2. Disconnect the spark plug wire from the spark plug.
3. Remove the blade locknut that holds the blade to the
drive shaft. (See Figure 13)
WARNING
To remove or tighten the blade locknut, always use the
method shown in Figure 13. Always position the holding
wrench on the nut behind the blade.
4. Remove the blade.
5. Replace with new blade from the manufacturer by
reversing the above steps.
NOTE:
Tighten the blade locknut to 35-45 foot-pounds
(47-61 N-m).
4. Remove the two Front Guard Screws and the Belt Guard.
(See Figure 12)
5. Remove the old belt from the engine and quill
assembly pulleys.
6. To install a replacement belt from the manufacturer,
reverse the steps above.
NOTE: The rear guard bolts should be tightened to 13-16
foot-pounds [18-22N-m].
NOTE: The front guard screws should be tightened to 4-6
foot-pounds [6-8N-m].
How to Replace the Belt (Continued)
E
Maintenance (Continued)
• Save all instructions
Front Guard
Screws
Belt Guard
Front Guard
Screws
Figure 12
Hold Nut,
Do Not Turn
Turn counter-clockwise
to loosen
Blade Locknut
Figure 13
Turn clockwise
to tighten
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