D379B, D398B & D399 GENRERATOR SET ENGINES Caterpillar


Cylinder Liners

Usage:

Remove Cylinder Liners

start by:

a) remove pistons

1. Give protection to the crankshaft journals before the liners are removed.

2. Put tooling (A) in the cylinder liner.


NOTICE

Do not cause damage to piston cooling tube (1) when tooling (A) is installed.


3. Use tooling (A) to remove the liner from its seat in cylinder block.

4. Remove cylinder liner (2) from its bore in cylinder block.

5. Remove filler band (3) and seals (4) from the liner.

Install Cylinder Liners

1. Clean the cylinder liners and block. Install the liners in the block without the O-ring seals.

2. Install tooling (A) on the liner. Tighten the nuts that hold tooling (A) evenly in four steps:

1st step ... 5 lb.ft.(7 N·m)

2nd step ... 15 lb.ft.(20 N·m)

3rd step ... 25 lb.ft.(35 N·m)

4th step ... 50 lb.ft.(70 N·m)

3. Check the liner projection with tool group (B) at four locations around the liner. The difference between the four measurements must not be more than .002 in. (0.05 mm). The liner projection must be .004 to .008 in. (0.10 to 0.20 mm). The measurement between liners next to each other, must not be more than .002 in. (0.05 mm) difference.

NOTE: The liner projection can change if the liner is turned in the bore.

4. Put a mark on the liner and block so the liner can be installed in the same position from which it was removed.

5. Install new seals (2) on the cylinder liners. Put liquid soap on the seals and in the bores in the cylinder block.

6. Put SAE 30 oil on filler band (1) and install it on the liner. Install the liner immediately in the cylinder block with tooling (C).

end by:

a) install pistons

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