Mariner Mercury 105/140 JET, Service Manual

Page: 157 / 797

90-824052R3 JUNE 2002 FUEL SYSTEMS - 3A-7
Cleaning/Inspection
1. Clean fuel pump housing, check valves, pulse
chamber and pump base in solvent and dry all but
check valves with compressed air.
2. Inspect each check valve for splits, chips and for
proper sealing against pump housing.
3. Inspect boost springs for weakness or breakage.
4. Inspect fuel pump housing, pulse chamber and
base for cracks or rough gasket surface and
replace if any are found.
5. Inspect fitting on fuel pump housing for loosening
or any signs of fuel or air leaks. Replace or tighten
fitting if a leak is found.
Reassembly/lnstallation
ASSEMBLY
1. Insert retainer thru plastic disc and rubber check
valve.
a
b
23601-1
a - Retainer
b - Plastic Disc
2. Install check valves and retainers into fuel pump
body.
50161-2
3. With retainer installed in pump body, break
retainer rod from retainer by bending sideways.
a
b
23601-2
a - Rod
b - Retainer Cap