Replacing Conditioner Drive Belt—Roll Conditioner

Practice Safe Service Procedures

TS261-UN-23AUG88

E41329-UN-27JAN97

A - Cylinder Lock (2 used)

CAUTION: To help prevent personal injury caused by unxpected movement, be sure to service machine on a level surface.

If machine is connected to tractor, engage tractor parking brake and/or place transmission in “Park”, shut off engine and remove key.

If machine is detached from tractor, block wheels to prevent movement.

CAUTION: Engage BOTH cylinder locks when working on machine. Failure to do so can result in personal injury or machine damage.

Before servicing or adjusting mower-conditioner:

1. Disengage all power.
2. Shut off tractor engine.
3. Wait until all moving parts have stopped.

Before working under platform, engage both cylinder locks (A) to prevent accidental lowering of machine.

1. Raise platform and engage cylinder locks.

2. Raise left-hand side front door to access drive sheave on gear case. (See RAISING AND LOWERING FRONT DOORS AND CURTAINS in Operating the Mower-Conditioner section.)

3. 
   E41493-UN-15FEB97

   946 Shown

   A - Shield

   Remove shield (A).

---




4. 
   E76490-UN-14JUL14

   A - Door

   Open door (A).

---




5. 
   E41502-UN-16FEB97

   
   E41503-UN-16FEB97

   A - Cap Screw (4 used)

   B - Mounting Flange

   C - Yoke

   Remove four cap screws (A).

---




6. Slide yoke (C) toward machine. Turn and lift mounting flange (B), as shown, to remove from gear case drive sheave.

7. 
   E55665-UN-25APR08

   A - Cap Screws

   B - Idler Adjustment Nuts

   C - Draw Bolt Nut

   D - Cap Screws

   Loosen four cap screws (A and D) and nuts (B and C).

---




8. Push forward on gear case and remove drive belt from driven sheave.

9. 
   E41504-UN-16FEB97

   A - Drive Sheave

   Remove drive belt from drive sheave (A).

---




10. Pull out belt from front of machine.

11. Install new belt in reverse order of removal using the following special instructions:

    IMPORTANT: When installing the left-hand converging drum shield there should be a 1—6 mm (0.04—0.24-in.) clearance between shield and converging drum.

    
    E41493-UN-15FEB97

    A - Shield

    Install shield (A). Make sure the clearance between shield and top of converging drum is according to specifications.

    Item	Measurement	Specification
    Shield-to-Converging Drum—	Distance	1—6 mm (0.04—0.24-in.)

    • Adjust belt tension. (See procedure in this section.)
    • Adjust roll timing. (See procedure in this section.)
    
    

---