REMOVE CHECK VALVE AND BYPASS VALVE

3208 INDUSTRIAL AND MARINE ENGINES

DISASSEMBLY AND ASSEMBLY

CHECK VALVE AND BYPASS VALVE

REMOVE CHECK VALVE AND BYPASS VALVE

start by:

a) remove fuel injector pump housing

and governor

CAUTION : Before any service work is done on

this fuel system, the outer surface of the injection

pump housing must be clean.

1. Remove fuel lines (3). Remove two bolts

(2) and remove flange and flange assembly

(1).

2. Remove the check valve (4) from the flange

assembly.

3. Remove the seven bolts (6) that hold the

cover (5) to the pump housing.

4. Remove the cover (5) from the pump

housing.

5. Remove the spring (7) and the bypass valve

from the pump housing.