Front Links Lengths; To Replace Mower Drive Belt - Craftsman 917.273090 Owner's Manual

To lower one side of mower, loosen lift
link adjustment nut on that side.
JOTE: Each full turn of adjustment nut
viii change mower height about 3/16'L
Recheck measurements after adjust-
ing.
_ottom Edge of Bottom Edge of
Aower to Ground Mower to Ground
:RONT-TO-BACK ADJUSTMENT
_PORTANT" DECK MUST BE LEVEL
_IDE-TO-SIDE If the following front-to-
,ack adjustment is necessary, be sure to
_djust both front links equally so mower
rill stay level side-to-side.
b obtain the best cutting results, the
lower housing should be adjusted so
le front is approximately 1/8" to 1/2"
)wer than the rear when the mower is in
s highest position.
)heck adjustment on right side of tractor.
4easure distance "F" directly in front of
nd behind the mandrel at bottom edge
f mower housing as shown
Before making any necessary adjust-
ments, check that both front links are
equal in length.
If links are not equal in length, adjust
one link to same length as other link.
To lower front of mower housing,
loosen nut "G" on both front links an
equal number of turns
When distance "F" is 1/8" to 1/2" lower
at front than rear, tighten nut "H"
against trunnion on both front links
To raise front of mower housing, loosen
nut "H" from trunnion on both front links
Tighten nut "G" on both front links an
equal number of turns.
When distance "F" is 1/8" to t/2" lower
at front than rear, tighten nut "H"
against trunnion on both front links.
IOTE: Each full turn of nut "G" will
hange dim "F" by approximately 3/8".
Recheck side4o-side adjustment
%\_ I °_ Mandrel
BOTH FRONT LINKS MUST BE EQUAL
IN LENGTH
Nut "F'_ _D-Nut "E"
Front Trunnion
Links
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL
1_ Park tractor on a level surface.
Engage parking brake.
2, Remove screws from L.H mandrel
cover and remove cover
3 Roll belt over the top of LH mandrel
pulley
4. Remove belt from electric clutch
pulley.
5, Remove belt from idler pulleys.
6 Remove any dirt or grass clippings
which may have accumulated around
mandrels and entire upper deck
surface.
7. Check primary idler arm and two
idlers to see that they rotate freely.
8_ Be sure spring is securely hooked to
primary idler arm and bolt in mower
housing.
MOWER DRIVE BELT INSTALLATION
9 Install belt in both idlers Make sure
belt is in both belt keepers at the idlers
as shown
10,Install new belt onto electric clutch
pulley,
11.Roll belt into upper groove of L,H,
mandrel pulley.
12Carefully check belt routing making
sure belt is in the grooves correctly
and inside belt keepers
13,Reassemble L.H. mandrel cover.
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