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a. Set the parking brake.
b. Clean any debris from the blades. Keep blades sharp and
free of build up at all times.
c. Sharpen blades evenly at the original 30° angle to maintain
balanced cutting blades. Do not sharpen the underside of
the blades. Use a electric blade sharpener, a conventional
electric grinder or a hand file to sharpen the blades.
d. Replace any blade with severe nicks or dents that cannot
be removed by filing.
e. Check the balance of the blade after sharpening by placing
it on a blade balancer. Do not use un-balanced blades. If
the blade dips on one end, remove material from the cutting
surface on that end.
Note: Blades that cannot be easily balanced—REPLACE.
4. Changing the Blade Drive Belts:
a. Set the parking brake. Remove ignition key and both spark
plug wires.
b. Unscrew the wing nuts from the deck covers and remove
both covers.
c. Using a 1/2" socket breaker bar or socket rachet. Insert the
male end into the 1/2" opening in the lower idler arm
assembly and pull the idler arm clockwise. While holding
the idler arm back, loosen the blade drive belt from the pul-
ley and slide the belt away from the pulley.
d. Remove tension of the PTO belt by moving the belt tension-
ing rod. Loosen the belt retaining bolt.
e. Pull the tensioner pulley away from the belt and remove the
PTO belt then remove the blade drive belt.
f. Reverse the process to install the belt. Be sure the head of
the bolt is above the top of the idler pulley.
Note: When replacing belts do not overtighten. Adjust the idler pulley so that a
ten-pound pull with a spring scale between two pulleys deflects the belt about 1/2".
01004965.fm Page 16 Friday, March 23, 2001 9:17 AM