12
Left Side Transmission
Left side
transmission
Linkage
Jam Nut
Rod end
Upper end bolt
5. V-BELTS:
All belts should be checked every 50
hours. Replace any belts found to be in
poor condition. All belts are equipped
with spring loaded belt tighteners and do
not require tightening adjustments.
6. LUBRICATION:
A.
Engine: Follow engine manufacturer’s
recommendation.
B.
Front Caster Pivots: Lubricate fittings
with several pumps of multi-purpose
grease from a grease gun.(See pg. 19)
7. PARKING BRAKE ADJUSTMENT FOR
CHALLENGER (SR500) MOWERS:
A.
Move Parking Brake Lever to the “OFF”
position.
B.
Adjust the top Adjustment Nut down or
up so that the Brake Rod Arm is fully
extended downward.
C.
Move Parking Brake Lever to the “ON”
position.
D.
Adjust the Bottom Adjustment Nut so
that the compression spring is
compressed to 5/8”.
(Repeat for other side).
JOYSTICK ADJUSTMENT
1. SETTING TRACKING AND FORWARD
SPEED:
A.
The initial setting is done with the
engine TURNED OFF.
B.
Remove both fender skirts.
C.
Start by setting the RH transmission
speed. Disconnect the linkage that is
connected to the
left
side transmission
at the upper end.
D.
On the outside (long) linkage that goes
from the joystick to the
right
side
transmission, Loosen the jam nuts on
both ends of the coupling nut. One of
these is a left-hand thread. Rotate the
coupling nut a couple turns to lengthen
it.
IMPORTANT:
Use two wrenches (one on the nut and
one on the coupling nut or rod end
housing) when loosening or tightening
jam nuts to prevent damaging the rod
end ball joints!
Brake Linkage
Assembly
Brake Rod Arm
Top Brake
Adjustment Nuts
Bottom Brake
Adjustment
Nut