G3500 Engines Caterpillar

Disassembly Procedure

Start By:

1. Remove the gas pressure regulator. Refer to Disassembly and Assembly, "Gas Pressure Regulator - Remove".

Show/hide table

Illustration 1	g00597827
Typical example

1. Remove the bolts and fitting (1).
   Show/hide table

   Illustration 2	g00597828
   Typical example

2. Remove O-ring seal (2) and orifice (3).
   Show/hide table

   Illustration 3	g00597832
   Typical example

3. Remove the bolts that hold the gas pressure regulator together.

4. Remove cover assembly (4), seat (5), spring (6), seat (7), and diaphragm (8) from housing (9).
   Show/hide table

   Illustration 4	g00597833
   Typical example

5. Remove the screws, the pin, lever (10), stem assembly (11), and holder (12).
   Show/hide table

   Illustration 5	g00597835
   Typical example

6. Remove bolt (13), heads (14), the head gasket and the pusher post from diaphragm (15).
   Show/hide table

   Illustration 6	g00597839
   Typical example

7. Remove cap (16) and the gasket from cover assembly (4).
   Show/hide table

   Illustration 7	g00597840
   Typical example

8. Remove screw (17).