Maintenance Manual of 4M11 Series Diesel Engine For Land Power Generators
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⑤Disassemble the thermostat. For details, see 4.8.3.2 Thermostat Disassembly Procedures.
Disassemble the inlet pipe .
⑥Disassemble the air compressor and hydraulic pump.
⑦Disassemble the water pump and water pipe joint. For details, see 4.8.2.2 Water pump
Disassembly Procedures..
⑧Disassemble the water pump intermediate pads.
4.8.1.3 Cooling System Assembly Procedures
The assembly procedures are in the reverse order of the disassembly procedures.
4.8.2 Disassembly, Inspection, Repair, and Assembly of Water Pump
4.8.2.1 Exploded View for Assembly of Water Pump
1- Thermostat
2- Coolant connecting hose
3- Thermostat cover
4- Water pump pulley
5 - Intermediate pad
6- Water pump
7- Belt
8- Fan
Figure 4-61 Exploded View for Assembly of Water Pump
4.8.2.2 Water Pump DisassemblyProcedures
As shown in Figure 4.53:
①Disassemble the water pump pulley.
②Disassemble the fixing clamps of water inlet pipe and coolant connecting hose from the water
pump.
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