Changing The Deck Belt & Pto Belt; Changing The Transmission Drive Belts - Yard-Man 771 Operator's Manual

i ioto °i°g
WARNING
Be sure to shutthe
engine off, remove ig-
nition key, disconnect
the spark plug wire(s)
and ground against
the engine to prevent
unintended starting
before removingthe
belt(s).
Avoid the possibility of
a pinching injury.Do
not place your fingers
on the idler spring or
between the belt and a
pulley while removing
the belt.
Figure 26
Changing the Deck Belt & PTO Belt
_ WARNING" Be sure to shut
the engine off, remove ignition
key,disconnect the spark plug
wire(s) and ground against the
engine to prevent unintended
starting before removingthe
belt(s).
All beltson yourtractorare subjectto wearand should
be replacedif anysigns of wearare present.
IMPORTANT: T heV-beltsfoundon yourtractorare
speciallydesignedto engageand disengagesafely.A
substitute(non-OEM)V-beltcan be dangerousby not
disengagingcompletely.Fora properworkingmachine,
usefactory approvedbelts.
Tochangeor replacethe deck belt and PTObelton your
tractor,proceedasfollows:
1. Lowerthe deck by movingthe decklift leverinto the
bottomnotchon the rightfender.
2. Removethebelt guardsby removing the self-tapping
screwsthat fastenthem to the deck.
3. Removethebelt keeperrod fromaroundthe engine
pulley.
4. Inserta 3/8"-driveratchetwrench (set to loosen)into
the squarehole foundin the idler bracketon the left
sideof the deck'ssurface.See Figure26.
5. Graspthe ratchet'shandleand pivot it towardthe front
of the tractorto relievetensionon the belt.
6. With belttension relieved, c arefullyremovethe belt
from around the left-hand spindlepulley.
IMPORTANT: C arefullyallowthe ratchetto pivotrearward
beforeremovingit from the squarehole.
_ WARNING" Avoid the possibility
of a pinching injury. Do not place
your fingers on the idler spring
or between the belt and a pulley
while removing the belt.
7. Removethedeck belt fromaroundall pulleys,including
the deck idler pulley.
8. Routethe newbelts as shownin and Figure27 and 28.
9. Remountthe beltguardsremovedearlier.
Changing the Transmission Drive
Belts
NOTE:Severalcomponents mustbe removedand
specialtools (i.e. air/impactwrench)in order to change
the tractor'sdrivebelts. Seean authorizedMTDService
Dealerto haveyour drivebelts replacedor phone
CustomerSupportas instructed on page 2 for information
on orderinga Service Manual.
26