Adjusting
screw
17.5"
~ast adjust
lever
Spring hook section
/
Pinion
/
Fast idle
cam
Set sdrew
B
6. Idle-up actuator inspection and adjustment
(1) Forcibly turn the fast idle cam clockwise to release the
cam.
(2) Measure the throttle valve angle (touch angle) when the
idle-up actuator rod is in contact with the adjusting rod.
Standard (from horizontal level):
17.5"
For adjustment, turn the adjusting screw.
FAST IDLE CAM ADJUSTMENT
Caution:
Adjustment must be carried out with an ambient
temperature of
25
t
2°C (77
f
35.6"F).
Do not adjust unless it is necessary.
Adjust with the adjust screw so I mark of the fast idle cam will
come to the center of the roller pin of the fast adjust lever, and
fix with the lock nut.
After completing the above I mark adjustment, adjust the fast
idle opening angle. (See P4-18)
CHOKE VALVE ADI
Caution:
JUSTME
Do not adjust unless it is necessary.
1. After completing the adjustment of the
I
mark of the fast idle
cam, adjust the positions of the rack and pinion at an ambient
temperature of 25
+
2°C
(77
+
356°F).
2.
For the position adjustment, turn the pinion so that the left end
bump of the rack fits to the cog directly opposite the match
mark of the pinion.
3. Turn the pinion lever clockwise, tighten the set screw "A" and
"B"
when the choke valve opens 16 to 21" from the horizontal
position.
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