Adjusting The Throttle Control; Adjusting The Choke Control; Adjusting The Engine Speed - Toro 04358 Greensmaster 3150 Operator's Manual

Adjusting the Throttle Control

Proper throttle operation is dependent upon proper
adjustment of the throttle control. Before adjusting the
carburetor, ensure that the throttle control is operating
properly.
1. Loosen the cable clamp screw securing the cable to the
engine (Figure 47).
1. Throttle casing clamp
screw
2. Throttle cable
3. Swivel
4. Stop
2. Move the remote throttle control lever forward to the
Fast position.
3. Pull firmly on the throttle cable until the back of the
swivel contacts the stop (Figure 47).
4. Tighten the cable clamp screw and check the engine
rpm setting.
•
High Idle: 2850±50 rpm
•
Low Idle: 1650±100 rpm

Adjusting the Choke Control

1. Loosen the cable clamp screw securing the cable to the
engine (Figure 47).
2. Move the remote choke control lever forward to the
Closed position.
3. Pull firmly on the choke cable until the choke butterfly
is completely closed, then tighten the cable clamp
screw (Figure 47).
Figure 47
5. Choke casing clamp screw
6. Choke cable
7. Choke butterfly

Adjusting the Engine Speed

Important: Before the carburetor and speed control
are adjusted, the throttle and choke controls must be
adjusted properly.
WARNING
The engine must be running during adjustment
of the carburetor and speed control. Contact with
moving parts or hot surfaces may cause personal
injury.
• Shift into neutral and engage the parking brake
before performing this procedure.
• Keep hands, feet, clothing, and other body parts
away from the cutting blades, rotating parts, the
muffler, and other hot surfaces.
1. Start the engine and let it run at half throttle for
approximately five minutes to warm up.
2. Move the throttle control to the Slow setting. Adjust
the idle stop screw counterclockwise until it no longer
contacts the throttle lever.
3. Bend the governed idle spring anchor tang (Figure 48)
to attain an idle speed of 1650±100 rpm. Check the
speed with a tachometer.
Shown with Air Cleaner Removed
1. Governed idle spring
anchor tang
4. Adjust the idle stop screw clockwise until the idle speed
is an additional 25 to 50 rpm over the idle speed set
in step 3
5. Move the throttle control to the Fast position. Bend
the high speed spring anchor tang (Figure 48) to attain
a high speed of 2850±50 rpm.
34
Figure 48
2. High speed spring anchor
tang