Service Manual

Rev. 000
TX 413 Service Manual
8-31
DRIVE SYSTEM
2. Install idler arm. First, install the torsion spring on
the pivot shaft and then install the idler arm (Fig.
530).
4. Apply medium strength threadlocking material to
the threads of the set screws for the engine drive
pulley. Apply anti-seize compound to the engine
crankshaft and key. Install the engine drive pulley.
5. With a straight edge, align the engine drive pulley
to the bottom hydrostatic pump pulley and tighten
the engine set screws (Fig. 532).
Figure 530 DSC-1300
Figure 532 DSC-1301
3. Place washer on the end of pivot shaft and install
the retaining ring (Fig. 531).
6. Install the drive belt. Start the unit and check the
belt alignment.
7. Shut engine off. Install belt cover and lower the
engine cover.
Figure 531 DSC-1295