Brake Pedal; Parking Brake Switch - Jacobsen R-311T Parts & Maintenance Manual

3.4

BRAKE PEDAL ____________________________________________________________

Adjust brakes after replacing or servicing brake assembly,
or if pedal travel becomes excessive.
1. When installing new brake pads, burnish pads by
driving mower at mowing speed while applying a slight
pressure on brake pedal for about 5 seconds. Release
and repeat five times before making the final
adjustment.
2. Fully loosen adjusting nut (C).
3. By hand, pull cable behind adjusting nut (B) away from
pedal until brake pads just contact brake disk. Thread
adjusting nut (B) up until it contacts the mounting plate.
Tighten nut (C) up to lock adjustment in place. Torque
nut (C) to 20 ft. lb. (27 Nm). Do not over torque or turn
cable.
4. Repeat for second cable.
5. Start mower and check operation of brakes. Park
mower on an incline (approx. 16.7° slope) and engage
parking brake. Brake must prevent mower from rolling.
Adjust nut (B) as required.
With parking brake engaged, and properly adjusted,
mower should not be able to drive through brakes.
3.5

PARKING BRAKE SWITCH __________________________________________________

Check parking brake switch adjustment whenever Interlock
System is not operating correctly. Switch contacts should
be closed with parking brake engaged and should open
when parking brake is disengaged.
1. Loosen parking brake switch hardware (D).
2. Adjust switch (E) as required so switch contacts close
with the parking brake engaged, and open when
parking brake is disengaged.
ADJUSTMENTS
C
E
D
3
B
Figure 3C
Figure 3D
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