Choke/Throttle Cable Adjustment - MTD P90 series Shop Manual

Choke/throttle cable adjustment

Choke lever
High speed stop screw
Figure 4.3
#1 phillips screw driver
Figure 4.4
Figure 4.5
time the cable or the control panel is replaced.
NOTE: The procedures to remove/replace the choke/throt-
NOTE: The choke should be opened when the engine
properly adjusted, the high speed throttle stop screw
should be touching the choke lever but not pushing it.
See Figure 4.3.
NOTE: The guard was removed in the picture for clarity.
To adjust the choke/throttle cable:
1.
2.
3.
4.
5.
6.
Throttle control
lever
7.
F
UEL
The choke/throttle cable will need to be adjusted any
tle cable can be found in the service manual for the
piece of equipment that the engine is mounted to.
starts. This can be a source of starting issues with
customers who are not familiar with manual
chokes.
The choke is controlled by the throttle linkage. When
Insert a #1 phillips screw driver into the alignment
hole in the control panel and guard. See Figure 4.4.
Loosen the cable clamp.
Verify that the high speed stop screw is just touching
the choke lever
• If the screw does not touch the lever, tighten the
screw until it just touches the lever.
• If the screw is pushing on the lever, back the screw
out until it no longer touches the lever. Then
tighten the screw until it just touches the lever.
Move the throttle control lever to the detent between
full throttle and the choke position. See Figure 4.5.
Tighten the cable clamp to lock the throttle cable in
place.
Verify that the throttle cable will move the choke to
the closed position.
Start the engine and check the maximum engine
speed. Adjust it as needed by following the proce-
dures described in the engine speed adjustment sec-
tion of this chapter.
S G
YSTEM AND OVERNOR
35