Ground Speed Control Adjustment - Snapper EASY LINE 21 Series Set-Up Instructions & Pre-Operation Checklist Manual

GROUND SPEED CONTROL
ADJUSTMENT
Ground speed control adjustment has been preset at
the factory. However, additional adjustment may be
desired to accommodate operator comfort.
WARNING
DO NOT attempt any maintenance, adjustments or
service with engine and blade running. STOP engine
and blade. Disconnect spark plug wire and secure
away from spark plug. Engine and components are
HOT. Avoid serious burns, allow sufficient time for
all components to cool.
A. IDLER SPRING TENSION ADJUSTMENT
1. Remove rear cover from mower.
Operator's Manual.
2. Idler spring tension is adjusted properly when:
a. With lever in 'SLOW' position (see Figure 9), belt
is relaxed, and idler spring on end of ground speed
control cable has no tension. See Figure 10.
GROUND SPEED
CONTROL
FAST
SLOW
FIGURE 9
GROUND SPEED
LEVER IN 'SLOW'
POSITION
SPRING HAS NO
TENSION
INNER NUT
OUTER NUT
b. With lever in 'FAST' position (see Figure 9), belt
is tight, and idler spring on end of ground speed
control cable is extended approx. 1". See Figure 11.
Refer to
BELT IS RELAXED
FIGURE 10
GROUND SPEED
LEVER IN 'FAST'
POSITION
SPRING LENGTH
EXTENDED 1"
To adjust idler spring tension:
Loosen outer nut on end of ground speed cable,
and run inner nut in toward cable (clockwise) or out
from cable (counterclockwise)
increments until correct adjustments are attained.
See Figure 10. Be sure to tighten outer nut.
B. MINIMUM GROUND SPEED ADJUSTMENT
If mower is traveling too fast or too slow when
ground speed control lever is placed in 'SLOW'
position, minimum ground speed can be adjusted.
NOTE: Before adjusting minimum ground speed, be
sure idler spring tension is adjusted correctly, as
idler spring tension may affect minimum ground
speed. Refer to Section "Idler Spring Tension
Adjustment".
1. Remove rear cover from mower.
2. Place ground speed control lever in 'SLOW'
position. See Figure 9.
3. Adjust minimum ground speed:
To decrease minimum ground speed:
Remove end of idler spring from current adjustment
hole, and relocate spring one hole closer to idler
arm pivot bolt. See Figure 12.
To increase minimum ground speed:
Remove end of idler spring from current adjustment
hole, and relocate spring one hole farther from idler
arm pivot bolt. See Figure 12.
ADJUSTMENT
HOLES
IDLER PIVOT BOLT
3
UNEXTENDED
LENGTH
1"
BELT IS TIGHT
FIGURE 11
by 1/2
INCREASE MINIMUM
GROUND SPEED
DECREASE MINIMUM
GROUND SPEED
FIGURE 12
turn