Mitsubishi Heavy Industries SL Series Service Manual page 109

2.3.2 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.
2.3.3 Installing torque spring set
Prior to installation, adjust the low and high idle speeds of
engine. Stop the engine for installtion 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.
(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 the 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.
Reassembling lever
Grooved pin
Reassembling governor
Speed
Torque
control lever
spring set
Governor
spring
Installing torque spring set
Sealing cap
Governor lever
Adjusting and sealing torque spring set
FUEL SYSTEM
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]
8-15