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MTD 12A-998Q795 Operator's Manual page 12

21" self-propelled mower

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Belt
Care
1. Disconnectthe spark plug wireand groundit against
the engine.
2. Drainthe fueltank or placea pieceof plasticbeneath
the capto preventgasolineleakage.
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3. Placeshift leverin the first positionand tip moweron
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its side(air cleanersideof engine up).
Maintaining
4. Moveheightadjustmentleverto the highestposition.
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5. Removeblade,blade adapter,and relatedhardware
Your Lawn
as instructed i n BladeCareabove. Removethe three
Mower
hexscrewsholdingbaffle to the deck.See Figure16.
6. Lift baffletowardsthe rear of the mower.Removethe
hexbolt from the rearof unitholdingthe transmission
to the mowerhousing.See Figure17.
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7. Tilt the transmissionforwardand loosenthe idler
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Figure 16
pulleyboltand lock nuthalf a turn. See Figure18.
8. Usinga pair of pliers, pull backand rotatebelt keeper
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bracketfrom the slot on the idler pulley.
9. Slide the beltout from betweenthe belt keeper
bracketand the idler pulley.See Figure19.
When replacing the
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10.Squeezethe belttogetherand pushit forward,while
belt, do not disas-
pressingthe controlarm inwardtowardsthe deck and
i sembie the lower
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removesix speedcablefromthe slot.See Figure20.
pulley assembly.
11.Pivotcontrolarm downawayfrom the pulleyand belt.
12.Lift off the lowerpulleyassemblyand removethe old
beltfrom aroundthe crankshaft.
13.Placethe newbeltoverthe transmissionpulley.Start
the beltin the pulleygrooveand rotatethe pulleyuntil
the beltis seatedintransmissionpulley.
14.Placethe beltbetweenthe idlerpulleyand the belt
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keeperbracket.
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,
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15.Usingpliers, rotatethe beltkeeperbracketso that it
Figure 17
snapsintoslot on the idler bracket.
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J
Figure 18
Figure 19
12

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