Steps to replace the heater water tank:
1 Drain the old antifreeze.
2 Remove the cab instrument assembly, control panel, etc.
3 Remove the instrument panel fixing screws.
4 Unplug the heater water pipe differential head and water pipe.
5 Remove the heating water tank fixing bolts.
6 Replace the heater water tank with a new one.
7 Follow the principle of disassembly first, then assembly, and then disassembly and reassembly.
8 Add antifreeze.
9 Inspection Completion Review