HYDRAULIC SYSTEM
5-16 Toro Z Master G3 3000/5000/6000 Series Service Manual
5
39. Using a 1/2” drive breaker bar installed in the square
hole in the pump idler assembly, rotate the idler arm
counter-clockwise, tensioning the spring to allow
room to install the belt (Fig. 319).
Fig. 317 PICT-8687a
37. If necessary, tighten the castle nut until the next set
of slots line up with the cross hole in the shaft. Do
not loosen the nut to align the slot.
38. Install the cotter pin. Use a new cotter pin if needed
(Fig. 318).
Fig. 318 PICT-8689
Fig. 319 PICT-8557a
40. While holding spring tension, install the v-belt
around the UHT pulleys and the engine drive pulley.
Release tension when belt is in place (Fig. 320).
Fig. 320 PICT-8561a
35. If more than two threads (0.1”/25mm) are showing,
remove the nut and install a washer between the
hub and the castle nut.
36. If a washer was added, re-torque the slotted nut to
200 ft-lbs. (271 Nm) (Fig. 317).
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