Dixon ZTR 5020 Operator's Manual page 32

CARE AND MAINTENANCE
MOWER DECK INSTALLATION:
Page 30
Brake link (P/N 5283) normally used for installation of engine to mower
deck drive belt, has been placed in position during assembly of the lift
frame at the factory.
For shipment purposes, the brake link has been secured with a cotter
pin and washer. REMOVE AND DISCARD cotter pin and washer after
engine to mower drive belt has been installed.