6
Assemble Blade Trip Springs
(22, 26 and 29HD Series)
1. Remove the springs from the carton. Two springs are
needed for all 29 Series blades.
2. Hook springs onto blade with open end of loop facing
up. (See Figure 1-9)
3. Hook other end of spring onto eyebolt. Insert one
eyebolt on each side of the blade into the single upper
hole on the swing frame spring bracket. Use a jam nut on
either side of bracket to secure. (See Figure 1-9)
Figure 1-9
4. Tighten springs until a .015" feeler gauge can pass
between two or more coils (a 3x5 postcard is
approximately .015").
Assemble Blade Trip Springs
(32 Series)
1. Remove the springs from the carton. Four springs are
needed for a 32 Series blade.
2. Hook a spring on an outer swing frame spring eyelet.
(See Figure 1-10)
Figure 1-10
3. Place a nut on the eyebolt and thread the nut to
approximately 1/2" from the eyelet.
4. Place eyebolt on the hook of the spring.
5. Feed the eyebolt through the outer blade spring
mount bracket.
6. Install a flat washer and upper retaining nut to the
eyebolt.
7. Tighten the upper nut until a 0.010" feeler gauge can
pass between two or more coils (a 3x5 postcard is
approximately 0.010").
.
8. Tighten the lower jam nut securely.
9. Repeat this step for the remaining springs.
CAUTION
Do not over tighten trip springs. If more than
.015" (1/64") gap appears between coils
damage could occur during plowing.
Spring must be installed with open end of top
loop facing vehicle. Bottom loop position will
vary.
0.015" GAP
INSTALL WITH
OPEN END OF LOOP
FACING VEHICLE
JAM
(UPPER INSIDE HOLE IN
29HD SERIES EYE BOLT
NUTS
EACH BRACKET)
CAUTION
Do not over tighten springs. If more than 0.015"
(1/64") gap appears between coils damage
could occur during plowing.
0.015" GAP
JAM NUT
EYEBOLT
MAXIMUM
UPPER NUT
FLAT
WASHER
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