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B. Install the completed assemblies into the support
frame and close the plastic top. Refer to (Figure 16)
Figure 16
3-6
Blade Installation
Note:Blade kits will either have two 18.1”
long blades for the 36” mower deck or two
21.1” long blades for the 42” mower deck.
WARNING!
WHEN IT IS NECESSARY TO RAISE THE
DECK OR MOWER FOR SERVICE OR MAIN-
TENANCE, TO AVOID SERIOUS INJURY
OR DEATH, STOP ENGINE, SET PARKING
BRAKE, REMOVE IGNITION KEY AND
SPARK PLUG WIRES AND SECURELY SUP-
PORT THE DE CK OR MOWER BEFORE
WORKING UNDERNEATH.
A. Lift Deck and secure in raised position.
B. Begin by removing the standard blades.
C. Remove bolt, cup washer and blade from
shaft.
D. Install the new parallel uplift blades to the
spindle with the curved part of the blade
pointing up.
E. Install blades with the concave side of the
cup washer against the blade. Be sure the
blades are installed with the uplifts and
cutting edges in the proper directions.
Tighten the blade bolt to 76 ft-lbs
torque.
Refer to (Figure 17).
Figure 17
Always use original Bush Hog Parts and
refer to the mowers operators manual for
blade maintenance.
Spindle
Nut on top
of Sheave
Blade
Cup Washer
Blade Bolt
Bags Installed into
Support Frame
13