Deck Idler Pulley Inspection; Blade Drive Belt Adjustment - Troy-Bilt 753 Service Manual

1.4. Using a 9/16 inch socket and opened end
wrench, remove the front idler pulley to allow the
belt to be removed from around the pulley. See
Figure 8.
Front Idler Pulley
Idler Pulley Mounting Bracket
Figure 8
NOTE: Maintain correct order of parts.
1.5. Using a 9/16 inch socket and opened end
wrench, remove the rear idler pulley to allow the
belt to be removed from around the pulley. See
Figure 8.
NOTE: Maintain correct order of parts. The pul-
ley mounts to the front hole in the idler arm.
1.6. Drop the belt off the engine pulley.
1.7. Replace the belt and assemble in the reverse
order.
NOTE: Maintain orientation of belt guides during
reassembly. See Figure 8.
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
Servicing the Troy-Bilt Wide Cut 33" Combination Mower
2.
2.1.
Rear Idler Pulley
3.
3.1.
3.2.
3.3.
3

DECK IDLER PULLEY INSPECTION

Using a 9/16 inch socket and opened end
wrench, remove the front and rear deck idler pul-
leys and inspect for wear.
NOTE: There is a pyramid washer under the
front mounting bracket that helps maintain the
position of the front idler pulley. See Figure 9.
Lock Washer
Rear Idler Pulley
Nut Flat Washers
Bracket Position Flat Washer
Lock Washer
Nut
Pyramid Washer
Bracket Position
Front Idler Pulley
Figure 9

BLADE DRIVE BELT ADJUSTMENT

Using a ½ inch socket remove the four screws
securing the belt cover and remove the cover.
With mower on level ground, adjust the blade
cutting height to about 3".
With the blade drive control disengaged, set a
gap of 1/8" between the spring and the flat
washer on the end of the threaded portion of the
lift crank by adjusting the nut. See Figure 10.
Figure 10
Hex Head
Cap Screw
Belt Guide
Hex Head
Cap Screw
Belt Guide
1/8" Gap