D379B, D398B & D399 GENRERATOR SET ENGINES Caterpillar

start by:

a) remove valves

1. Remove old valve guides (1) with tool (A) as shown. If the valve guides have grooves, use tool (C).

2. Install the valve guides with tools (A & B) as shown. If the valve guides have grooves, use tools (C & D).

3. Dimension (X) for the installed valve guide must be 1.750 ± .020 in. (44.45 ± 0.51 mm).

end by:

a) install valve