Craftsman 917.25693 Lawn Mower User Manual


 
SERVICE AND ADJUSTMENTS
TO LEVEL MOWER HOUSBNG
Adjust the mower while tractor is parked on level ground or
driveway. Make sure tires are properly inflated (See
"PRODUCT SPECIFICATIONS" on page 3 of this manua0.
Iftires are over o runderinfiated, you will not properly adjust
your mower'.
SiDE-TO-SIDE ADJUSTMENT (See Figs,. 25 and 26) -
....You will need two (2) standard 2 x 4 short pieces of wood
to make the following adjustment, Similar blocks measur-
ing t-I/2" thick may als0 be used,,
; Raise mower with attachment lift control to allow two
(2) 1-1/2" thick blocks to be placed under rear edge of
mower deck,
o Place one block directly behind right mandrel, Place
the remaining block under the stamped ridge on left
side of rear edge of mower deck
NOTE: Be sure blocks clear all hardware that may be
exposed on underside of deck,
Lower' mower deck to its lowest height of cut position,
o Loosen nut "C" so that the adjustment plate can move
up and down freely_
o Be sure the mower deck rests level on both 1-I/2" thick
blocks, Retighten nut "C",
o Raise mower with attachment lift control and remove
blocks from under' mower,
PLACE TWO (2) 1-112" THICK BLOCKS UNDER REAR EDGE OF
DECK AS SHOWN (Usa wood 2 x 4's or equivalent)
REAR
SUSPENSION
ARM
RG. 26
REAR
LIFT
LINK
ADJUSTMENT
PLATE
FRONT-TO-BACK ADJUSTMENT (See Figs. 27 & 28) -
IMPORTANT: DECK MUST BE LEVEL S1DE*TO-SfDE. IF
THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS
NECESSARY, BE SURE TO ADJUST BOTH FRONT LINKS
EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDE
To obtain the best cutting results, the mower' housing
should be adjusted so the front is approximately 1/4 to 3/4"
lower than the rear when the mower is in its highest
position.
Check adjustment on right side of tractor. Measure dis-
tance "F" directly in front of and behind the mandrel at
bottom edge of mower housing as shown.
o Before making any necessary adjustments, check that
both front links are equal in length
o If links are not equal in length, adjust one lir_kto same
length as other link_
o To lower front of mower housing, loosen nut "G" on
both front links an equal number of turns.
o When distance "F" is 1/4" to 3/4" lower at front than
rear, tighten nut"H" against trunnion on both front links.
o 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..
o When distance "F" is 1/4" to 3/4" lower at front than
rear, tighten nut"H" against trunnion on both front links°
NOTE: Each full turn of nut "G" will change dim.. "F" by
approximately 3/8 inch.
o Recheck side-to-side adjustment,.
REAR __ONT
,F,T- f,=,
_ROUND LINE _ r
t!/1/11/1//I//'tl/1///_/_/////f1_2_ °
FIG. 27
BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH
20
LINKS
NUT "H"
FIG. 28