MTD 25B-551A700 Operator's Manual page 9

Trenching (Optional)
In order to createa widercuttingpathfor such thingsas
layingwirefor landscapelightingor invisible f ences,you
can utilizethe edger'soptionaltrenchingfeature.
_ ARNING:Disconnectthe sparkplug
wire and ground against the engine before
performing the following steps.
_1 ARNING: The edger blade is sharp. Wear
leather work gloves to protect your hands
when working around the edger blade.
f
Lever \
Bevel Left &
Bevel Adjustment
Right Positions
Edging/Trenching
PositionShown
Figure5-2:Locationof the beveladjustmentlever.
g Positions
Figure 5-3:Thebevel p ositions.
1. Workingin front of the edger,loosenthe flangelock
nut on top of frame,allowingthe idler pulleyassembly
to pivot slightlyout from the frame.
2. With yourotherhand,carefullyreachunder the
rear of the unitand removethe belt fromaroundthe
engineflywheelpulley,Figure5-4.
3. Removethe beltguard by removingthetwo self-
tappingscrewswhich secureit to the bladeplate
assembly,Figure5-5.
4. Use two wrenches(one wrenchto preventthe hex
bolt headfrom spinningand the otherto unthreadthe
flangenut) to removethe flangenut that securesthe
edger blade,leavingtheedger blade in place, Figure
5-6.
Engine
k,,Rywheel Pulley Belt Guard
Figure 5-4:Remove t hebeltfromaround thepulley.
Blade PlateAssembly
J
Figure5-5: Remove the beltguard.
HexBolt Head
X
Flange Nut j
Figure5-6:Removethe flangenutto removeblade.
5. Install the Tri-star edger blade and the flat washer,
Figure5-7.
6. Securewith the flangenutremovedearlier.
IMPORTANT:Usea torque wrenchto tighten the
flange nut to between 37 foot-lbs, and 50 foot-lbs.
7. Reinstall t he spindlebeltguard with the self tapping
screwsremoved earlier.
8. Carefullyplacethe drivebelt backonto theengine
flywheelpulley,and retightentheflangelock nut on
the top of the frame.
9
WARNING
Disconnectthe spark plug
wire and ground against
the Disconnect t he spark
plugwire and ground
against the engine before
performingthe following
steps.
The edgerblade is sharp.
Wearleatherworkgloves
to protectyour hands
when workingaround the
edgerblade.
Specifications are
subject to changewithout
notification or obligatiom
Images my not reflect
your exact model and are
for reference purposes