Troy-Bilt 664DM Tiller User Manual


 
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Figure5-16
Figure5-17
Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to
come to a complete stop, disconnect spark plug wire and move wire away from spark plug.
Removethe key fromthe keyswitchon units so equipped.
Failure tofollow these instructions canresult in seriouspersonal injury or propertydamage.
RemovingForwardClutchBelt
1. Stop engine,allow it to cool and dis-
connect spark plug wire beforeworking
nearbelts. Also remove ignition key on
electric start models.
2. Removethe two nuts (C, Figure 5-13)
and removethe belt cover.
3. Move the reverseclutch belt (B, Figure
5-16) out ofthe way. You do not needto
completely removethe belt. Pressthe
reverseidler pulley inwardfor slackand
then slip the bottom half of the belt com-
pletelyoff the transmission pulley (A,
Figure5-16). Pullthe bottom halfof the
beltout of the housingand let it hang off
the outside of the unit (B).
4. Disconnectthe forward clutch cable
from the forward clutch idler arm bracket
Figure5-18
Figure5-19: Left-sideview.
(Figure5-17). Notethe holefrom which
you disconnect the cable. It is important
that you reconnect the cableto the same
hole.
5. Slide the belt off the engine pulley (C,
Figure5-18), awayfrom engine,out from
underthe belt guide (D), andcompletely
off the pulley.
6. Slip the belt off the front ofthe trans-
mission pulley (F, Figure5-19).
7. Work the belt out from betweenthe
pulleyand the frame, around the trans-
mission cover spring, then up and out of
the machine.
InstallingForwardClutchBelt
1. Stop engine,allow it to cool and dis-
connect spark plug wire beforeworking
nearbelts. Also remove ignition key on
electric start models.
2. Removethe old forward clutch belt as
described in RemovingForward Clutch
Belt.
Figure5-20: Arrow(K)showsinsertionpoint
forinstallingnewforwardclutchbelt.
3. From the front of tiller, insert the
forward clutch belt in betweenthe bottom
of the engine drive pulley (I) and the top
of transmission pulley(K, Figure 5-20).
4. Insertthe bottom half of belt into the
smaller, rear-mostgroove of the trans-
mission pulley (F, Figure5-19). Now slip
the top halfof belt underthe belt guide
(D, Figure5-18) and onto the large
groove of engine drive pulley (L, Figure
5-19).
5. Reconnectthe forward clutch cableto
the correct hole in the idler arm bracket,
asshown in Figure5-17.
NOTE:Besure to run the reverseclutch
cableon the pulleyside of the cover
support brackets(G, Figure5-21).
Figure5-21: Correctforwardclutchcable
positioning.
IMPORTANT:Beltmust be installedon
the insideof the beltguide (H, Figure
5-21).
6. Reinstallthe reverseclutch belt. Insert
the bottom of the belt into theframe, then