Toro 03806 Operator's Manual page 14

10. If removed, insert the vertical shaft of the pivot
knuckle into lift arm pivot hub (Figure 5). Guide
the pivot knuckle in place between the two rubber
centering bumpers in the under side of the lift arm
steering plate.
11. Insert the lynch pin into the cross hole on the pivot
knuckle shaft (Figure 5).
12. Remove nut securing turf compensation spring
mounting bracket to cutting unit stabilizer ear
(Figure 6). Insert tipper chain onto capscrew and
secure with nut removed.
1. Lift chain
13. Mount the motor to the drive end of the cutting unit
and secure with two capscrews provided (Figure 7).
G000769
1. Motor
Note: If fixed cutting unit position is required,
insert steering locking pin into pivot knuckle
mounting hole (Figure 5).
14. Hook spring wire around bottom of steering locking
pin (Figure 5).
Adjust Turf Compensation Spring
Tractors are setup at the factory appropriately for most
fairway mowing applications. The following adjustment
is for fine-tuning the machine to the application:
1
2
G000758
Figure 6
2. Cutting unit stabilizer ear
2
1
Figure 7
2. O-ring
The Turf Compensation Spring (Figure 8), connecting
carrier frame to cutting unit, controls the amount of
fore-aft rotation available, as well as the amount of
ground clearance in transport and turn around.
The Turf Compensation Spring also transfers weight
from the front to rear roller. This helps to reduce a wave
pattern in the turf, also known as bobbing.
Important: Make spring adjustments with cutting
unit mounted to traction unit and lowered to shop
floor. Refer to Setup , page 12, for mounting
instructions.
1. Tighten lock nut on rear of spring rod until the
gap (C) between rear of spring bracket and front of
washer is 1 in. (25 mm) (Figure 8).
G000780
ˆC"
2. Tighten hex nuts on front end of spring rod until the
compressed length (A) of spring is 8 in. (203 mm)
(Figure 8).
Note: When cutting rough or undulating turf,
increase compressed length (A) of spring to 8-1/2 in.
(216 mm) and gap (C) between rear of spring bracket
and front of washer to 1-1/2 in. (38 mm) (Figure 8).
Note: As compressed spring length (A) decreases,
weight transfer from front roller to rear roller
increases and carrier frame/cutting unit rotation
angle (B) decreases.
Note: As gap (C) between spring bracket and
washer increases, cutting unit ground clearance
decreases and carrier frame/cutting unit rotation
angle (B) increases.
14
ˆA"
Figure 8
ˆB"