FU-58 FUEL SYSTEM - Injection Pump
17. INSTALL DELIVERY VALVE HOLDERS
(a) Install new gaskets and the valves into the distribu-
tive head.
(b) Install the spring seats and springs into the delivery
valve holders.
(c) Using SST, install the delivery valve holders.
SST 09260-54012 (09269-54020)
Torque:
1PZ and 1HZ 500 kg-cm (36 ft-lb, 49 IM-m)
1HD-T 550 kg-cm (40 ft-lb, 54 Nm)
18. (IPZonly)
INSTALL DISTRIBUTIVE HEAD PLUG
(a) Install a new O-ring to the head plug.
(b) Using SST, install the head plug.
SST 09260-5401 2 (09262-54010)
Torque: 700 kg-cm (51 ft-lb, 69 Nm)
19. INSTALL GOVERNOR SHAFT AND FLYWEIGHT
HOLDER
(a) Install the following parts to the flyweight holder:
(1) Four flyweight
(2) No.2 flyweight washer
(3) Governor sleeve
HINT: Replace the four flyweights as a set.
(b) Install a new O-ring to the governor shaft.
(c) Place the flyweight holder assembly (1) in position,
and install the No.1 flyweight washer (2) and gover-
nor gear adjusting washer (3) between the flyweight
holder and pump housing.
(d) Install the governor shaft through the governor gear
adjusting washer, No.1 flyweight washer and fly-
weight holder assembly.
(e) Using a 5 mm hexagon wrench, turn the governor
shaft counterclockwise.
20. CHECK FLYWEIGHT HOLDER THRUST CLEARANCE
Using a thickness gauge, measure the thrust clearance
between the housing pin and flyweight holder.
Thrust clearance: 0.15-0.35 mm
(0.0059-0.0138 in.)
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