Parking Brake; Service Brake - Jacobsen HR 5111 Parts And Maintenance Manual

3.4

PARKING BRAKE__________________________________________________________

1. Check linkages, cables and pivot points, to ensure
they are operating smoothly. Check brake pads for
wear.
2. To set brake force: Place brake lever in the
disengaged position. Sit in the operator's seat and
turn knob (B) clockwise to increase force. Apply and
release brake every quarter turn until a force of 36-
42 lb. (16 - 19 kg), at the base of the adjustment
knob is required to set the parking brake.
If a scale is not available for measuring, place tractor
in 2WD mode and adjust brake until motor cannot
overcome the parking brake
3. If the knob on the parking brake has been turned to
its maximum extent, new brake pads are required.
4. Brake pads must be replaced when worn to the
point that they touch each other above the brake
disc.
!
Never disengage the parking brake when the engine
is not running.
3.5

SERVICE BRAKE __________________________________________________________

Adjust ball joint (C) so brake pedal has a minimum of 1/8
in. (3 mm) free travel before plunger touches piston in
master cylinder.Turn ball joint in (Clockwise) to decrease
or out (Counter-clockwise) to increase pedal travel.
CAUTION
ADJUSTMENTS
5. Park the tractor on an incline (Approximately 16.7°
slope) near the bottom of the hill, with the front of
the tractor facing downhill. Engage the parking
brake and stop the engine.
6. If the brakes do not hold, Start the engine,
disengage brake and drive to the bottom of the hill
to make the adjustment.
B
C
3
Figure 3C
Figure 3D
GB-9