Troy-Bilt 753 Service Manual
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Troy-Bilt 753 Service Manual

Wide cut 33” combination mower
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Service Manual

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
This Service Manual is not a substitute for the Operator's Manual. You must read, understand
and follow all of the directions in this manual as well as the Operator's Manual before working
on this power equipment.
TROY-BILT LLC, P.O. BOX 361131, CLEVELAND, OH 44136-0019
PRINTED IN USA
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
753 Wide Cut Mower
FORM NO.769-00945
(10/2003)

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Summary of Contents for Troy-Bilt 753

  • Page 1: Service Manual

    This Service Manual is not a substitute for the Operator’s Manual. You must read, understand and follow all of the directions in this manual as well as the Operator’s Manual before working on this power equipment. TROY-BILT LLC, P.O. BOX 361131, CLEVELAND, OH 44136-0019 PRINTED IN USA FORM NO.769-00945 (10/2003) K&T Saw Shop 606-678-9623 or 606-561-4983...
  • Page 2 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 3: Table Of Contents

    www.mymowerparts.com TABLE OF CONTENTS Blade Drive Belt Removal ................1 Deck Idler Pulley Inspection ................3 Blade Drive Belt Adjustment................3 Blade Drive Control Lever Adjustment ............4 Blade Spindle Belt Replacement..............4 Blade Brake Replacement................6 Wheel Drive Belt Servicing................7 Wheel Drive Belt Adjustment................8 Wheel Brake Adjustment.................9 Transmission Neutral Adjustment..............9 Deck Removal ....................10 Right Spindle Removal..................11...
  • Page 4 www.mymowerparts.com K&T Saw Shop 606-678-9623 or 606-561-4983...

  • Page 5: Blade Drive Belt Removal

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower Servicing the Troy-Bilt Wide Cut 33” Combination Mower TROY-BILT WIDE CUT MOWER The key switch is located on the right side of the con- sole. See Figure 2. OLDER STYLE ENGINE...
  • Page 6 Servicing the Troy-Bilt Wide Cut 33” Combination Mower The fuse is located on the right side next to the battery BLADE DRIVE BELT REMOVAL and the solenoid is mounted on the battery support 1.1. Make sure the blade drive control is disen- bracket under the battery.

  • Page 7: Deck Idler Pulley Inspection

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 1.4. Using a 9/16 inch socket and opened end DECK IDLER PULLEY INSPECTION wrench, remove the front idler pulley to allow the 2.1. Using a 9/16 inch socket and opened end belt to be removed from around the pulley.

  • Page 8: Blade Drive Control Lever Adjustment

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 3.4. With the engine OFF have a helper engage the 4.1. With the engine off, engage the operator pres- blade drive. Measure the distance between the ence control and the blade drive control. See center of the idler pulley and the left drive pulley.
  • Page 9 Servicing the Troy-Bilt Wide Cut 33” Combination Mower 5.2. Using a ½ inch socket loosen the screw securing 5.7. Temporarily remove the blade drive belt from the belt tension adjustment bracket and turn it around the left blade drive pulley. See Figure 16.

  • Page 10: Blade Brake Replacement

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 6.2. Secure the operator presence control lever to the left handlebar using a plastic tie or tape. See IMPORTANT: Time the blades properly during Figure 19. reassembly. Set the cutting blades perpendicular...

  • Page 11: Wheel Drive Belt Servicing

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 6.4. Using a socket remove the Sems nuts and flat 7.2. Using a ½ inch socket, remove the two screws head screws securing the brake pad to the idler attaching the flap bracket to the frame. Remove arm and remove the old brake pad.

  • Page 12: Wheel Drive Belt Adjustment

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 7.6. Use a 9/16 inch socket to loosen the cap screw WHEEL DRIVE BELT ADJUSTMENT securing the transmission pulley belt guide to the The wheel drive belt requires adjustment when belt frame and engine mount.

  • Page 13: Wheel Brake Adjustment

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 8.5. Test the operation of the unit. Repeat the adjust- 9.1. To adjust use a 1/2” wrench to make a small (1/4 ment if necessary. turn) adjustment to the brake locknut until the correct measurement is achieved.

  • Page 14: Deck Removal

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 10.2. Remove the hairpin clip securing the shift link 11.3. Using a recoil rope or spring removal tool, and lower it from the shift rod. See Figure 32. remove the extension spring attached to the deck bracket and idler arm.

  • Page 15: Right Spindle Removal

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 11.9. Using a 9/16 inch socket and open end wrench, 12.3. Align the sight holes in the right pulley with the remove the four shoulder bolts, flat washers and spindle housing deck mounting bolts. See Figure flange locknuts securing the deck to the lift assemblies.

  • Page 16: Left Spindle Removal

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 12.7. Remove the cogged pulley, spacer, washer, lock removed also torque the blade mounting screws washer and screw from the spindle housing. to 35 ft. lbs. Components on bench. See Figure 39.
  • Page 17 Servicing the Troy-Bilt Wide Cut 33” Combination Mower 13.3. Align the sight holes in the right pulley with the 13.7. Secure the operator presence control lever to spindle housing deck mounting bolts. See Figure the left handlebar using a plastic tie or tape. See Figure 45.

  • Page 18: Transmission Removal

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 13.9. Using a shop rag to protect your hand, hold the 13.13. Using a ½ inch socket, loosen the four mounting blade secure while removing the flange lock bolts securing the spindle housing to the deck.
  • Page 19 Servicing the Troy-Bilt Wide Cut 33” Combination Mower underneath the unit. You will also be removing 14.7. Using a pair of needle nosed pliers remove the the wheels and transmission from this position. hair pin securing the shift link rod to the shift rod.

  • Page 20: Wheel Drive Belt Guards Installation

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 14.10. Remove the square key from the axle. See Fig- 14.13. Remove the transmission from the unit for ser- ure 54. vice. See Figure 56. Square Key Figure 54 Figure 56 14.11.
  • Page 21 Servicing the Troy-Bilt Wide Cut 33” Combination Mower A kit is available to correct these situations. KIT NUMBER: 15.3. Reinstall the idler pulley onto the carriage bolt followed by the original flat washer, the new belt Contents: guide (1760096) and secure it with the original •...
  • Page 22 Servicing the Troy-Bilt Wide Cut 33” Combination Mower 15.6. Using a 9/16 inch socket and extension, remove 15.8. Reinstall the hex cap screw through the frame the left rear engine mounting hex cap screw. and into the engine. See Figure 64.

  • Page 23: Engine Pulley Belt Guide Installation

    Servicing the Troy-Bilt Wide Cut 33” Combination Mower 15.11. Using a 2 inch by ¼ - 20 bolt, lock washer, and contains all installation directions. See Figure hex nut (not supplied in kit) attach the belt sup- port bracket to the top of the transaxle using the Older Style Guides empty bolt hole at the left rear of the transaxle.

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