4-18
4
Adjustments
The throttle system can be adjusted for tension and total
travel. (stroke)
If the throttle system can not maintain a constant, steady,
engine speed then the throttle handle tension spring may
need to be adjusted.
1 Raise the boom arms, engage the boom supports and
shut off the engine.
2 Remove the seat.
3 Locate the throttle handle pivot and tension spring
under the left hand cover plate. (fig. C5100, C5130)
4 Tighten the nut on the tension spring clock wise to
increase the spring tension to gain clamping force against
the friction pad.
If this fails to repair the problem then the friction pad
may need to be replaced.
To check the throttle travel:
1 Open the rear door and locate the engine lever and
throttle rod linkage.
2 Stroke the throttle lever in the full forward position.
The engine lever must touch the high idle limit bolt stops
to acquire full engine speed. (fig. C5085)
3 Stroke the throttle lever rearward until it stops. The
engine lever should touch the low idle limit bolt to
acquire the engines proper low idle speed. (fig. C5085)
Throttle handle should touch handle limit bolt, if not ,
adjust handle limit bolt. Do not adjust engine low idle
limit bolt.
WARNING
Never work under the boom arms without the boom
supports engaged.
THROTTLE 4.4
C5100
C5130
C5100a
Tension spring location
Throttle control
Low Idle
position
Hi Idle
position
Lock nut
Tension spring
Friction pad
Throttle rod
C5085
Throttle rod
Low idle limit bolt
High idle limit bolt
Manual stop rod
Handle
limit bolt
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