FU-52 FUEL SYSTEM Injection Pump
(e) Install the stopper pin and clip.
8. INSTALL TIMER SPRING
(a) Install a new O-ring to the timer adjusting screw.
(b) Using a 5 mm hexagon wrench, install the timer
adjusting screw to the LH timer cover and temporarily
install the nut.
(c) Install the following parts:
(1) New O-ring
(2) RH timer cover
(3) Timer spring
(4) New O-ring
(5) LH timer cover, timer adjusting screw and nut
assembly
(d) Using a 5 mm hexagon wrench, install the the four
bolts.
9. PRESET TIMER ADJUSTING SCREW
(a) Using vernier calipers, measure the protrusion of the
adjusting screw from the timer cover.
Protrusion: 7.5-8.0 mm (0.295-0.315 in.)
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