FUEL PUMP - CONTINUED
Add measurements A and B and divide
Record finding C.
Using 0 to 1-inch depth micrometer,
center depth micrometer on weight
carrier over weight assist plunger and
measure distance to end of weight assist
Do not depress weight assist spring.
Record measurement D.
Subtract measurement D from finding C.
The result is the weight assist protru-
sion. Weight assist protrusion should
be 0.840 inch (21.33 mm). If weight
assist protrusion is below 0.840 inch
(21.33 mm), add weight assist shims
(5). If weight assist protrusion is above
0.840 inch (21.33 mm), remove
shims (5), or if no shims are used,
grind small end of weight assist plunger.
Weight assist shims are available in
0.007 inch (0.178 mm) and 0.016 inch
(0.406 mm) thicknesses.