Hydro Cat 5015B
Service Manual
WHEEL DRIVE SYSTEM
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SPEED POTENTIOMETER ADJUSTMENT
Before adjusting the potentiometer...
*
Gently move the front of the drive pedal up and down in neutral, to check the free travel in the pedal. If
there is more than 1/8 inch (3 mm) free travel at the front of the drive pedal, adjust bracket “G” (see
Figure 6) up or down to eliminate the free travel.
*
Gently move the drive pedal to the full forward and full reverse position to check for binding or rough
operation. Clean and lubricate the pedal and potentiometer linkage or replace defective parts as re-
quired.
*
Make sure that collar “H” is centered between the levers on the (2) set screws in the collar, center the
collar between the switch levers and tighten the set screws.
*
Make sure that the (2) set screws in collar “H” face directly toward the front of the machine. The speed
potentiometer linkage can bind if the collar is turned to the right or left. If necessary, loosen the set
screws, turn the collar to the proper position and tighten the set screws.
To adjust the potentiometer...
1
Disconnect the battery connector (behind right-rear door) and open the electrical access panel on front of
the machine.
2
Adjust the reverse stop bolt, located under the back of the drive pedal. The pedal should hit the stop bolt
at the same time the edges of the pedal hit the floor panel.
3
See Figure 7. Move hose clamp “Q” to
your right, as far as possible on coupler
“P”.
4
Remove the (2) wires from the potentiom-
eter terminals and connect an ohmmeter as
shown.
5
Grip coupler “P” and turn it until the meter
reads 0 ohms.
6
Push the back of the drive pedal flat
against the floor panel and turn coupler “P”
until the meter reads 3500 ohms.
7
Release the pedal and move clamp “Q” to
the left end of coupler “P”.
Orange/Blue
Green/White
P
Q
FIGURE 7
62
