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When installing the piston rings on the piston, ensure that the piston skirt is at the

bottom, and use the special tool.

NOTICE:

Install the piston rings in order shown in the figure.

6. Assemble the Piston and Connecting Rod.

NOTICE:

Warm up the piston first in hot water, to 80-90



C {176-194



F}, for approximately 5

minutes.

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Install the retainer ring at one end of the piston pin holes.

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Apply engine oil to the piston pin.

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Fix the piston and connecting rod by inserting the pin.

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Fit the new retainer ring at the other end.

7. Install the Cylinder Liner and Cylinder Head.

NOTICE:

Do not twist the O-ring when installing it on the cylinder liner and cylinder head.

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Rotate the crankshaft to the top dead center position.

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Arrange the piston rings so that their gaps are equally spaced.

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Install the cylinder liner and cylinder head.

Содержание J08EVB

Страница 1: ...Version 1 8 26 2020 Revision 1 8 26 2020 HINO J08EVB J08EVC REMOVE AND REPLACE PROCEDURES AIR COMPRESSOR ...

Страница 2: ...right 2020 AIR COMPRESSOR Description 1 O ring 2 Cylinder head assembly 3 Gasket 4 Suction valve 5 Piston 6 Connecting rod 7 Bearing 8 Crankshaft 9 Bearing holder 10 Crankcase 11 Piston pin 12 Piston ring A Suction B Delivery ...

Страница 3: ...g rod 12 Connecting rod bearing 13 Lock washer 14 Piston pin 15 Retainer ring 16 Bearing holder 17 Ball bearing 18 Crankcase 19 Crankshaft 20 Woodruff key 21 Coupling 22 Coupling bolt 23 Pin 24 Air compressor assembly 25 Screw Tightening Torque Unit N m kgf m lbf ft A 29 34 296 347 22 25 B 25 29 255 295 19 21 C 23 26 235 265 17 19 D 30 36 305 367 22 27 E 23 26 235 265 17 19 F 2 5 3 9 26 39 1 9 2 8...

Страница 4: ...ive force to the air compressor may damage the mounting spigot or may cause oil leakage due to flaking of liquid gasket between the flywheel housing and plate Mounting 1 Installation Procedures Fit the No 1 cylinder to the Top Dead Center Align the aligning mark 0 on the top of coupling flange with protrusion on the compressor housing Insert the O ring into the O ring groove of the air compressor ...

Страница 5: ...compressor onto the stud bolt Tighten the mounting bolts other than the stud bolt then remove the stud bolt Insert a bolt in the place of the stud bolt Tightening Torque 28 5 N m 290 kgf cm 20 lbf ft Make sure that the aligning mark 0 on the top of coupling flange is aligned with protrusion on the compressor housing 2 Install the Supply Pump and Air Compressor ...

Страница 6: ...semble 1 Remove the Drive Gear Remove the lock nut from the compressor drive gear NOTICE If the spread is insufficient the drive gear will be damaged when loosening the nut Pull the drive gear from the crankshaft then remove the woodruff key ...

Страница 7: ...on Rotate the crankshaft to the top dead center position Spread the staking of the nut completely with a chisel then loosen the nut Remove the connecting rod with piston 4 Remove the Piston Rings Remove the piston rings NOTICE Handle the piston rings carefully because they are made of a special casting which is easily broken When reusing the piston rings first arrange them face up and in the corre...

Страница 8: ... the Crankshaft Remove the bearing holder fitting screw Use the press to remove the crankshaft together with the bearing holder NOTICE Be careful not to damage the bearing holder 7 Remove the Bearing Holder Use the press to remove the bearing holder NOTICE Be careful not to damage the bearing holder 8 Remove the Ball Bearing Using the special tool remove the ball bearing from the end of the cranks...

Страница 9: ...ure to align the aligning mark Apply engine oil to the connecting rod and cap Apply engine oil to the thread before installing the connecting rod bolt Measure the connecting rod end play Assembly standard 0 2 0 4 mm 0 008 0 015 in Limit 0 5 mm 0 02 in Lock the nut with a lock washer 4 Measure the End Play of the Crankshaft Assembly standard 0 0 6 mm 0 0 0236 in Limit 1 0 mm 0 0394 in 5 Assemble th...

Страница 10: ... for approximately 5 minutes Install the retainer ring at one end of the piston pin holes Apply engine oil to the piston pin Fix the piston and connecting rod by inserting the pin Fit the new retainer ring at the other end 7 Install the Cylinder Liner and Cylinder Head NOTICE Do not twist the O ring when installing it on the cylinder liner and cylinder head Rotate the crankshaft to the top dead ce...

Страница 11: ... Install the Drive Gear Install the woodruff key to the crankshaft Insert the drive gear Insert the collar and lock nut Tightening Torque 142 N m 1 450 kgf cm 105 lbf ft NOTICE Apply oil to the threads and seat surface before tightening ...

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