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If tractor is equipped with a heater, proceed with the following steps.
18. Drain the engine coolant.
19. Locate the bypass hose as shown below.
20. Remove the bypass hose.
21. Connect one end of the heater hose to one the ports and the remaining heater hose to the
other open port.
22. Re-fill the engine radiator with coolant.
June 2021© Massey GC1705 ROPS Cab Installation Manual