Installing Mower Deck

CAUTION: Avoid injury! Drive the machine slowly and avoid quick stops when the attachment is removed. Do not operate machine at higher speeds without attachment installed.

NOTE: Procedure shown is for the 60 in. side discharge deck. Procedure for the 62 in. and 72 in. deck is the same.

  1. Drive machine up to mower deck, lining up center of machine with mower deck drive shaft.

  2. Park machine safely. (See Parking Safely in the Safety section.)

  3. TCT008392
    TCT008392-UN-19FEB14

    Remove retainer ring (A) from hanger pin (B) on both sides of deck.



  4. Pull hanger pins out of adjustment plates (C).

  5. TCT008390
    TCT008390-UN-19FEB14

    Remove spring pin (D) and drilled pin (E) from front of lift arm (F), and remove lift arm from mower deck.



  6. TCT007303
    TCT007303-UN-02MAY13

    Remove hitch pin (G) and drilled pin (H) from each lift arm.



  7. Insert the mower deck lift arms into the machine lift arm sockets.

  8. Align the holes in lift arms with holes in lift arm sockets, and install drilled pins (H) on left and right sides of machine. Install hitch pins (G) into drilled pins.

  9. CAUTION: Avoid injury! Hydraulic components may have stored energy. Before servicing the machine, carefully release pressure from any hydraulic components by lowering attachment components completely and moving hydraulic control levers back and forth.

    Remove cotter pin (I). Remove drilled pin (J) and remove cylinder.

  10. IMPORTANT: Avoid damage! Make sure to install the upstop brackets to prevent contact between the vehicle and driveshaft/gearbox.

    TCT010371
    TCT010371-UN-19FEB14

    Install lift cylinder shaft through the opening in up stop bracket (K).

    Deck

    Tire Size

    Up-Stop Bracket

    Spacers

    60 in. SD

    23 in.

    26 in.

    Y

    Y

    0

    0

    62 in. RD

    23 in.

    26 in.

    Y

    Y

    0

    0

    72 in. SD

    23 in.

    26 in.

    Y

    Y

    0

    0



  11. Align legs of upstop bracket with holes in lift arms and cylinder (L). Secure with new drilled pins (M) provided in kit and cotter pins (N).

  12. TCT010372
    TCT010372-UN-19FEB14

    Position the mower deck so the front attachment brackets (O) are aligned with the ends of the lift arms.



  13. Push attachment lift lever forward into float position.

  14. Push down on lift arms until ends drop down into front attachment brackets.

  15. Install drilled pins through bracket and lift arm, and secure with spring pins.

  16. TCT008395
    TCT008395-UN-26AUG13

    Start machine and raise mower deck to top of travel. Stop engine. Mower deck should rotate as shown above.



  17. TCT010373
    TCT010373-UN-19FEB14

    Lock service latches (P) on left and right side mower deck lift arms.

    NOTE: Service latch chain has 7 links to accommodate all configurations. Select chain link that provides the tightest fit.



  18. TCAL46540
    TCAL46540-UN-12APR13

    60 and 72-inch Deck Only: Remove spring pin (Q) and drilled pin (R) from anti-scalp wheel (S). Raise the anti-scalp wheel to its highest position, and install drilled pin and spring pin.

    NOTE: 60 in. deck has one corner wheel, 72 in. deck has two corner wheels.



  19. TCT009420
    TCT009420-UN-01DEC13

    Lift mower deck drive shaft (T) up and over the top of the machine’s front axle (U). Extend the drive shaft to allow it to sit on top of the axle.



  20. TCT008404
    TCT008404-UN-19FEB14

    Raise the rear of the mower deck and install the hanger pin (V) into the hole in adjustment plate (W) that matches the cutting height selected for the front caster wheels. (See decal on rear of mower deck.)



  21. Install retainer ring (X) onto hanger pin. Repeat for the other lift arm.

  22. TCT009421
    TCT009421-UN-01DEC13

    Remove the service hatch on the machine, and attach the mower deck drive shaft (Y) onto the machine PTO output shaft (Z) as follows:

    1. Push the mower deck drive shaft onto the PTO output shaft. (It may be necessary to turn the mower deck drive shaft to align the spines of the two shafts.)

    2. Once the splines align and the drive shafts begin to couple together, pull the coupler ring (aa) forward and continue to push the mower deck drive shaft rearward onto the PTO output shaft until the coupler locks in place.

    3. Release the coupler ring.

    4. Push and pull the coupler until you are sure it is locked on the shaft.



  23. Close the service hatch.

  24. Set the mower deck cutting height.

  25. Adjust the anti-scalp wheel so height of wheel is 6 mm (1/4 in.) above the ground when on a level surface.

  26. Unlock the service latches.

  27. Lower the mower deck to the ground.

OUMX068,000016B-19-20140224