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Maintenance Instructions ADJUSTMENTS
86
GHS Signal Horn Adjustment
(When Horn Sounds at Wrong Time)
The vertical position of the Grass-Pak
®
switch is crit-
ical to make sure the catcher box does not overfill
causing the delivery chute to clog. The vertical po-
sition can be adjusted by bending the mounting
bracket for the Grass-Pak
®
switch.
1. Position the discharge chute so that it is point-
ing straight back.
a. Turn the ignition switch ON and move the
blade clutch to the ENGAGED position
(engine not running).
b. Open the catcher back door and monitor
the spout position (as it oscillates) and
move the blade clutch to the DISEN-
GAGED position and turn the ignition
switch to the OFF position.
2. Measure from the exhaust screen (top of catch-
er) to the top of the Grass-Pak
®
switch actuator
vane, refer to Adjusting the Grass-Pak
®
Switch illustration. The proper measurement
should be between 4 and 4-1/2 inches (10.16
and 11.43 cm).
Adjusting the Grass-Pak
®
Switch
(Side View of Catcher Box)
3. If adjustment is required, hold the Grass-Pak
®
switch mount bracket firmly, grasp the switch
and bracket and bend it down. Adjustments
should be done in very small increments check-
ing the measurement each time until the recom-
mended measurement is achieved. This
measurement is applicable to all catcher box
sizes.
NOTE: It will not be possible to adjust the
switch to give a signal at the precise instant the
catcher is full for a wide variety of mowing con-
ditions. For example, wet heavy grass will fill the
catcher differently than dry fluffy grass, causing
the signal to come on a little sooner or later than
usual. Primarily, the switch should be adjusted
to give the “full” signal with a little advance
warning before overfilling and clogging of
the grass delivery chute begins (regardless of
mowing conditions).
WARNING
DO NOT test the Grass-Pak
®
switch with
the engine running. Projectiles CAN be
thrown out of the grass delivery spout and
CAN cause serious injury to bystanders or
property damage.
Exhaust
Screen
Bend
Point
4 to 4-1/2 in.
(10.16 to 11.43 cm)