Hitachi EX20UR-2 Manual page 377

Reassembly of lever A and lever C
Take care not to tilt a pin when fitting it into the lever A.
In installing a set spring, insert its hook into a groove of
pin. In such a case, take case of the installation direction
of set spring.
Installation of levers A, B and C
Install levers A, B and C on the timing gear case.
Confirm that each lever moves smoothly after reassem-
bly. Also, confirm with levers A, B and C locked that the
shaft rotates smoothly.
In reassembling levers, apply engin oil.
Reassembly of control lever
Apply Loctite 601 to the bushing before fitting.
Engage return spring completely with respective notches
of pin and lever assembly.
Installation of main and idle springs
Install a main spring and start spring to the governor
lever. Do not confuse the main spring, since it differs de-
pending on the engine model.
Note: Main spring is colored for marking as follows.
Yellow : Spring on stant 0.3 kg/m
Orange : Spring on stant 0.16
White : Spring on stant 0.35
Red : Spring on stant
0.175
Confirm dimension A (before disassembly)
Note:
See measurement of dimension A.
1
•••
Link plate
Shim
/Set
/ spring
Lever C
Lever A
Pin
Set spring
(installation direction)
I
Pin
ENGINE/Fuel system
W05-05-03