Repairs; Crankshaft Pulley Installation - Toro Groundsmaster 300 Series Service Manual

Repairs

Crankshaft Pulley Installation

1. Insert three of four locking rings into crankshaft pulley.
NOTE: Outside locking rings have tapered I.D. and flat
O.D. Inside locking rings have flat I.D. and tapered O.D.
A. Install first outside ring seated against small inter-
nal shoulder of pulley, flat edge of ring touching small
pulley shoulder.
B. Install second inside ring, mating taper to taper
with first ring.
C. Install third outside ring with flat edge against
previous inside ring.
D. Align ring end gaps with key slot in pulley.
2. Align pulley key slot with crankshaft key. Install pulley
approximately 1/4" onto crankshaft.
3. Insert fourth locking ring, taper to taper, with third ring.
4. Insert bolt through special washer. Shoulder on
washer contacts shoulder of fourth locking ring.
5. Draw pulley onto crankshaft by tightening crankshaft
bolt. Resistance will be felt as crankshaft passes
through locking rings.
6. Tighten crankshaft bolt to a torque of 40-44 ft-lb.
Check pulley alignment between crankshaft and water
pump.
Repairs
1. Woodruff key
2. Pulley
3. Locking rings
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Figure 5
4. Special washer
5. Metric bolt
®
Groundsmaster 300 Series