Craftsman 486.244021 - ADJUSTMENTS; Adjust blade springs

ADJUSTMENTS
AI
Blade angle lock bars:
If angle lock bars Do Not completely disengage -
from slots in pivot plate assembly, adjustment
of cable is required. See figure 27.
B,
Adjust blade springs:
To change spring tension (stand in front of blade
assembly), adjust the nuts at the upper end of
the springs (see figure 27) turning counter
clockwise (x'_) to relieve tension and
clockwise (_) to increase tension.
1/2" x 2-3/4"
HEX BOLTS
LOCK WASHERS
AND
1/2" HEX NUTS
Adjust spring adjustment nuts approximately 1"
from end when moving snow or other light
material, (keep spring tension light for safety).
This frees the blade to spring trip and return if
a hidden obstacle is encountered.
When heavier material is to be moved, adjust
spring adjustment nuts accordingly.
SPRING
ADJUSTMENT NUTS
( BLADE
ASSEMBLY
SPRING
BOLTS
LOCK
SPRING /
ADJUSTMENT NUTS
(INSIDE)
PIVO1 lPLATE ,/_' CABLE
ASSEMBLY
FIGURE 27
&
KNOW THE TERRAIN. AVOID EXCEP-
TIONALLY SHARP SLOPES OR DROP-
OFFS WHICH MAY BE HIDDEN BY
THE SNOW,
NEVER RUN THE DOZER BLADE
INTO HEAVY MATERIAL AT HIGH
SPEED.
FIGURE 28
&
C. Dozer spring lockout:
To lock dozer btade spring trip action for heavy
dozer work, install two 1/2" x 2-3/4" hex bolts
(included in hardware package) as shown in
figure 28. Secure with two 1/2" lock washers,
and two 1/2" hex nuts
DO NOT OPERATE TRACTOR AND /
J
DOZER BLADE AT HIGH SPEEDS
WITH SPRING TRIP ACTION IN.
LOCKED OUT POSITION. 'l
|
D. Blade shoe adjustment:
Blade shoes on ends of blade,!isee figure 29),
maybe raised for clean dozing on smooth
surfaces or lowered to raise the blade to work
on rough or uneven areas. Make sure both shoes
are set evenly and nuts are tightened securely.
BLADE
10
FIGURE 29
NOTE
--'IF
Wheel weig[_ts and tire chains should be
used with your dozer to improve traction.
For additional traction, install wheel
weights on rear of drawbar using weight
bracket kit 71-26235 and one or two
wheel weights from wheel weight kit
71-26234.
These accessories are available at your
nearest Sears retail or catalog store.