Textron Jacobsen HR-5111 Technical/Repair Manual page 195

Reverse Kick-Out Switch Adjustment
IMPORTANT
The traction linkage must be adjusted in proper
sequence. Do not perform this procedure until the
traction pedal neutral adjustment has been
performed. (See "Traction Pedal Neutral Adjustment"
on page 5-29.)
1. Park the mower safely. (See "Park Mower Safely" on
page 1-6.)
2. Raise the operator's seat platform to access the
hydro control rod and lock nut.
!
WARNING
• Support the machine using properly rated
jackstands. Never work under a machine
supported only by a jack.
• Do not use wood or concrete blocks to
support the machine. Failure to properly
support the machine may result in death or
serious injury.
3. Raise the mower so that all four wheels are off the
ground. Place jackstands under the frame to support
the mower.
4. Disengage the parking brake.
5. Bypass the seat switch.
!
WARNING
Carbon monoxide in the exhaust fumes can be
fatal when inhaled. Any adjustments or repairs
performed with the engine running must be made
with ample ventilation.
6. Start the engine and set the throttle in the fast idle
position.
7. Place the 4WD switch in the ON position.
8. Slowly push the traction pedal to engage the forward
drive while observing the front and rear tires. The
front tires and rear tires should start to rotate at the
same time.
9. Stop the engine.
If adjustment is required, proceed to step 10.
If no adjustment is required, proceed to "Speed Limit
Adjustment" on page 5-31.
4203780 First Edition
HYDROSTATIC POWER TRAIN
Figure 5-17
10. Loosen lock nut (5).
11. Turn rod (4) counterclockwise to decrease the delay
at which the rear wheels engage.
12. Tighten lock nut (5).
13. Repeat steps 6 through 8 to check the four-wheel
drive (rear wheel) engagement delay.
14. Start the engine and set the throttle in the fast idle
position.
15. Place the 4WD switch in the ON position.
NOTE
Four-wheel drive (rear wheels) will not engage unless the
4WD switch is held in the momentary position.
16. Slowly push the traction pedal to engage reverse
drive while observing the front and rear tires. The
front tires should start to turn, but the rear wheels
should not engage.
17. Remove the jackstands and lower the mower to the
ground.
18. Proceed to "Speed Limit Adjustment" on page 5-31.
Speed Limit Adjustment
IMPORTANT
The traction linkage must be adjusted in proper
sequence. Do not perform this procedure until the
traction pedal neutral adjustment and reverse
kick-out switch adjustments have been performed.
(See "Traction Pedal Neutral Adjustment" on
page 5-29 and "Reverse Kick-Out Switch Initial
Adjustment" on page 5-30.)
Reverse
The reverse pedal travel can be adjusted by changing the
length of the traction pedal rod:
• Shortening the rod will increase the reverse speed.
• Lengthening the rod will decrease the reverse speed.
4
5
TN1991
5
5-31