941820 Volvo.Penta O-ring

start by:a) remove fuel injection pump housing and governorb) remove governor
Be careful not to cause damage to the inlet and outlet ports on the bottom of the pump housing. The pump housing must be put on wood blocks before it is disassembled.
1. Remove the bolt and remove cover (2) and the gasket.2. Remove bolts (3) from housing assembly (1). Remove housing assembly (1) and the gasket. 3. Remove the shaft and gear from housing assembly (1). Remove bushing (4) from the housing assembly. 4. Remove bolts (7) from levers (9). Pull shaft (10) out of the pump housing. Remove levers (9), bushing (8) and the spring.5. Remove the two bolts (6) and remove cover (5). 6. Remove bolts (14) that hold retainer (16) and gear (17) to the pump camshaft. Remove the retainer and gear. When pinion gear (13) is removed, make a replacement of drive gear (11) with a new part.7. Remove idler gear (12). Remove pinion gear (13) from the pump housing with a soft hammer. Remove drive gear (11).8. Remove bypass valve (15). Remove the O-ring seals, pin, piston and spring from the valve body. 9. Remove bushing (18) from each of the injection pumps with tool (A). Remove washers (19).10. Put identification on each injection pump as to its location in the pump housing. Hold the fuel