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7
TRANSMISSION DRIVE BELT
The transmission drive belt on the SWU belt drive machine
has a spring-loaded idler system and needs no adjustment.
If you find that the transmission slips, see your local Scag
Servicing Dealer for service.
DRIVE CONTROL ADJUSTMENTS
1. Adjust the steering control rods so that there is
approximately 3/4" clearance from the bottom of
the rod to the bottom of the neutral latch slot when
in the drive position. (See Figure 1)
Figure 1. Steering Control Rod Adjustment
2. Adjust the steering brake rods so that the brakes do
not apply until the steering levers are pulled tight to
the handles. When the steering levers are locked in
the neutral position the machine should move freely.
"ADJUST-A-GRIP SETTINGS"
"Adjust-A-Grip," with three settings, allows hand force
adjustment in the field, with no tools required. To
operate the "Adjust-A-Grip", pull back on the handle
and move the lever up or down depending on the
amount of belt force needed (See Figure 2, page 8).
-NOTE-
When the PTO is engaged or (possibly) disen-
gaged, a squealing sound from the underside of
the machine is normal. It is caused by the
electric clutch plates meshing as the cutter
blades come up to speed. For best equipment
life, engage the clutch with the engine at 1/2
throttle, not under full load.
To avoid serious bodily injury and damage to the
transmission, the machine must be at a full stop
before shifting between gears or shifting
between forward and reverse.
5. Shift the transmission into gear for the desired
mowing speed.
-NOTE-
Top speed is suggested only for transport!
6. While squeezing the steering brake levers with
both hands, release both neutral latches.
7. When the steering brake levers are released, the
machine will travel straight. To make a right
turn, squeeze the RH lever. To turn left, squeeze
the LH lever.
8. TO STOP, squeeze both levers, lock the neutral
latches, and shift the transmission into neutral.
CUTTER DECK BELT ADJUSTMENTS
Due to a spring-loaded idler system, there is no adjust-
ment necessary for the cutter deck belts. The 36" cutter
deck has one spring-loaded idler. The 48" cutter deck
has two spring loaded idlers.
WARNING:
SC404GB
NEUTRAL LOCK
POSITION
DRIVE POSITION
3/4"
STEERING
BRAKE LEVER
NEUTRAL
LATCH