Craftsman 486.244121 Owner's Manual page 7

.
Re-assemble plactic caps on top ends of spring
adjustment bolts.
_NOTE
SEE ADJUSTMENT SECTION ON
PAGE 10 FOR SPRING TENSION.
9. Assemble blade pivot bracket on to top right hand
side of channel/pivot assembly. See figure 14.
Assemble two 3/8" x 1" hex bolts down through
bracket and plate and secure with two 3/8" lock
washers and 3/8" hex lock nuts underneath.
CHANNEL/PIVOT FRONT
ASS'Y . ._
/ ''vo'
BRACKET
.t!2
3/8" HEX LOCK NUT 318 X 1 "
AND LOCK WASHER HEX BOLT
FIGURE 14
10. Assemble the frame bracket (LH) under the left
hand foot rest of the tractor using two 3/8 x 3/4"
hex bolts. Tighten securely being careful not to
strip threads. See figure 15.
11. Assemble the lift pivot plate to the left hand frame
bracket using two 3/8" x 3/4" clevis pins and
secure wth two 3/32" (small) hairpin cotters. See
figure 15.
-.--FRONT
LEFT SIDE
318 x 3/4" BOLTS
BRACKET (LH)
CLEVIS PINS
3/8" x 314"
LIFT PIVOT PLATE
HAIRPIN COTTER
(SMALL)
FIGURE 15
12. Assemble a lift rod trunnion (facing in) to each lift link
rod using either a, b or c:
a. two 7/16-20 hex jam nuts (48" mower decks)
b. a 3/8-16 regular hex nut and the original lock
nut you removed earlier (models before 1995).
c. a 3/8-24 hex jam nut and the original lock nut
you removed earlier (all other models)
The correct nuts will screw on easily. Tighten nuts so
that one thread of rod extends past bottom nut.
LIFT LINK ROD
FRONT
RIGHT SIDE
PLAIN HEX NUT
OR JAM NUT
JAM NUT
OR ORIGINAL
LOCK NUT
FIGURE 16
LIFT ROD
TRUNNION
ONE THREAD EXPOSED
13. Pre-assemble lift arm link to inside of long arm on
lift assembly. As shown in figure 17.
14. Assemble
one 3/8" x 1-1/4" hex bolt through 3/8"
flat washer, through pivot bushing, through large
hole in lift arm link near angle end and through
hole in long arm nearest the end. Secure with one
3/8" lock washer and one 3/8" hex lock nut. See
figure 17. NOTE: Lift arm link must pivot freely.
15. Assemble
one 3/8" x 1" hex bolt through second
hole form end of long arm. Secure with one 3/8"
lock washer and one 3/8" hex lock nut. This bolt
is used as a limit stop for the lift arm link. See
figure 17.
3/8" FLAT WASHER
318" x 1-1/4"
HEX BOLT ,_ PIVOT
"_ BUSHING LIFT ARM
3/8"x1" "__ // _ LINK
HEXBOLT_%_. _ _ ,,
ASSEMBLY LOCK NUT
FIGURE 17
NOTE
Lift arm link must be positioned
as shown in figures 17 and 19.