Reassembling The Governor; Installing The Torque Spring Set - Mitsubishi diesel engines Service Manual

3.2 Reassembling the governor

(1)
Install the levers first.
(2)
Install the O-ring onto the governor shaft.
(3) Insert the governor shaft into the governor case,
and combine it with the levers.
(4) Hold the grooved pin and the spring pin in place,
and knock them in with a soft hammer.
(5) Install the tie-rod and the tie-rod spring.

3.3 Installing the torque spring set

Prior to installation, adjust the low and high idle
speeds of engine. Stop the engine for installation
and adjustment of the torque spring set.
(1)
Remove the tie-rod cover.
(2) Pull the speed control lever to the high idle speed
position and hold it there.
(3) Pull the tie-rod in the direction of the arrow until
a slight resistance is felt.
Note: This is the initial resistance by the governor
spring. Do not pull the tie-rod further to try to
overcome the resistance.
(4)
While holding the tie-rod in this position, screw
in the torque spring set until the notched line on
the control rack is aligned with that on the pump
body.
(5)
With both notched lines aligned, lock the torque
spring set by tightening the special nut to the
specified torque.
(6) Place the torque set sealing cap over the torque
spring set, and stake it in place.
FUEL SYSTEM - DISASSEMBLY, INSPECTION AND REASSEMBLY
Installing the levers
Grooved pin
Assembling the governor
Torque
Speed
spring
control
set
lever
Governor
spring
Installing the torque spring set
Sealing cap
Governor lever
Adjusting and sealing the torque spring set
Tie-rod spring
Tie-rod
Spring pin
Notched line on pump body
Notched line on
control rack
Special nut
Tightening torque:
14.7 to 24.5 N m
(1.5 to 2.5 kgf m)
[10.8 to 18.1 lbf ft]
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