Simplicity GTH Series Operator's Manual page 9

Figure 4, Mower Hitch Attached
A. Tractor Hitch C. Safety Clips
B. Pins D. Drive Belt
Figure 5. R.H. PTO Pulley Belt Stop
A. Belt Stop B. PTO Pulley C. Belt
Figure 6. PTO Pulley Rod
A. PTO Lever
B. Left Rear Tire
C. PTO Rod
D. Spring Clip