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Mitsubishi S12 diesel engine fan driver assembly disassembly, maintenance


Detailed Description:

Mitsubishi S12 diesel engine fan driver assembly disassembly, maintenance

Mitsubishi S12 diesel engine fan driver assembly disassembly, maintenance

Disintegration order

1 Fan plate for Mitsubishi S12 diesel engine

2 Friction rubber sheet

3 seat

4 Mitsubishi S12 diesel engine fan, gasket (about 50 kg) (large Mitsubishi S12 diesel engine fan specification is about 80 kg)

5 Liner

6 Friction rubber sheet

7 Mitsubishi S12 diesel engine fan hub

8 Mitsubishi S12 diesel engine fan drive gear

9 Mitsubishi S12 diesel engine thrust sheet

10 Coupling

11 Drive shaft

12 bearing

13 bearing

14 Mitsubishi S12 Diesel Engine Oil Seal Bushing

15 Mitsubishi S12 diesel engine oil seal

16 Mitsubishi S12 diesel engine fan driver body (approx. 26 kg)

When a blade of a Mitsubishi S12 diesel engine fan is damaged due to vibration, it will cause damage to other blades, abnormal wear of bearings, etc., and a new Mitsubishi S12 diesel engine fan should be replaced.

2.11 Inspection of Mitsubishi S12 Diesel Engine Fan Driver

Detect the Mitsubishi S12 diesel engine fan drive shaft and bearing installation parts of the drive housing. Replace it with a new one when it is severely worn.

2.12 Inspection of Bushings, Friction Rubber Sheets and Bushings

Check the bushings, friction rubber sheets and bushings, and replace them with new ones if abnormalities are found.

2.13 Inspection of Mitsubishi S12 Diesel Engine Oil Seal Bushing

When it is found that the oil seal shaft sleeve of the Mitsubishi S12 diesel engine has abnormalities such as hits, damage, wear and deformation that cause oil leakage, replace the oil seal shaft sleeve of the Mitsubishi S12 diesel engine.

2.14 Replacement of Mitsubishi S12 Diesel Engine Oil Seal Bushing

2.14.1 Removing Mitsubishi S12 Diesel Engine Oil Seal Bushing

Hit the chisel vertically with a hammer at the end of the sleeve 3 to reduce the tension of the sleeve and remove it. When it cannot be removed by this method, place the chisel in the axial direction, and lightly hit the shaft sleeve to make it elongate, and remove it after eliminating the interference.

2.14.2 Installing Mitsubishi S12 Diesel Engine Oil Seal Bushing

Use a heater or the like to warm the oil seal sleeve of the Mitsubishi S12 diesel engine to about 180 to 200 ° C. Insert the Mitsubishi S12 diesel engine oil seal bushing into the drive shaft.

2.15 Assembly of Fan Driver for Mitsubishi S12 Diesel Engine

Assembly of Mitsubishi S12 Diesel Engine Fan Driver

2.15.1 Assembly of Mitsubishi S12 Diesel Engine Fan Driver Body

(1) Using a bearing mount, press the bearing into the drive shaft.

(2) Use a mounter to package the Mitsubishi S12 diesel engine oil into the Mitsubishi S12 diesel engine fan driver body.

(3) Apply clean lubricant to the lips of the Mitsubishi S12 diesel engine oil seal.

(4) Install the drive shaft into the drive body.

(5) Install the thrust plate of Mitsubishi S12 diesel engine and tighten the bolts according to the specified torque.

(6) Install the key on the gear side of the drive shaft.

(7) Install the drive gear after aligning with the key of the drive shaft, and tighten the nut with the specified torque.

(8) Install the key on the fan side of the drive shaft Mitsubishi S12 diesel engine.

(9) Install the coupling after aligning with the key of the drive shaft, and tighten the nut with the specified torque.

2.15.2 Assembly of Mitsubishi S12 Diesel Engine Fan

The Mitsubishi S12 diesel engine fan is installed at the final stage of the assembly operation.

(1) Install the Mitsubishi S12 diesel engine fan hub on the coupling and tighten the bolts to the specified torque.

(2) Install the friction rubber sheet on the fan hub of the Mitsubishi S12 diesel engine.

(3) Install the spacer on the fan hub of the Mitsubishi S12 diesel engine.

(4) Install the Mitsubishi S12 diesel engine fan on the gasket.

Note: When installing, pay attention to the installation direction of Mitsubishi S12 diesel engine fan (wind direction: exhaust).

(5) Install the spacer on the fan of the Mitsubishi S12 diesel engine.

(6) Insert the bushing into the bushing and friction rubber sheet.

(7) Install the friction rubber sheet on the fan hub of Mitsubishi S12 diesel engine.

(8) Install the Mitsubishi S12 diesel engine fan pressure plate on the Mitsubishi S12 diesel engine fan hub and tighten the bolts according to the specified torque.

3. Install Mitsubishi S12 diesel engine cooling system

􀂌 The order during installation is the reverse of that during removal. (Refer to the disintegration diagram)

清洗 Thoroughly clean and dry the cooling water pipes.

3.1 Installation of cooling water pipe (air cooler)

Apply silicon sealant on both sides of the gasket between the air cooler inlet and outlet joints and the water pipe.

3.2 Install Mitsubishi S12 diesel engine water pump

Tighten the nuts and pulleys to the specified torque.

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