B
108
Repair and Service Manual
BRAKES
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
699324
.
Figure 17 Check Clevis Pins.
Perform the Periodic Brake Performance Test as
described and return the vehicle to service if brake per-
formance is satisfactory.
Figure 18 Checking Parking Brake Latching Pressure
Brake Drum Removal and Installation
Remove the dust cap (1) to gain access to the castellated
nut (2) and the cotter pin (3) (Figure 19).
Remove the cotter pin and castellated nut as shown.
NOTICE: Do not apply the brake when removing the
nut as the shoes may not fully retract preventing
removal of the brake drum.
Remove washer (4).
Slide the brake drum (5) from the axle shaft. If required,
tap the drum with a plastic faced hammer to loosen it from
the axle shaft or use drum puller (P/N 15947-G1).
Figure 19 Brake Assembly
Use care when raising the adjuster
arm. Too much force will damage
the adjuster and require that both
wheel brake assemblies be replaced.
If the drum does not slide from the brake assembly, the
brake shoes must be retracted. Rotate the hub so that the
hole in the drum is in the six o’clock position which is
directly over the brake mechanism. Use a small straight
blade screwdriver to raise the adjuster arm
just above
the star wheel.
Loosen the star wheel to retract the brake shoes and
remove the brake drum.
NOTICE: Pay particular attention to the location of
the inner brake drum washer (6) inside the brake
drum, which may be on the axle shaft or attached to
the rear of the drum hub. This washer must be rein-
stalled when the brake is reassembled.
To install the brake drum, clean the axle shaft and the
splines on the brake drum to remove dirt, grease and for-
eign matter. Apply a small amount of anti-seize com-
pound to the axle spline. Install the inner brake drum
washer (6) and slide the brake drum (5) into place. Check
to ensure the nose of drum hub is beyond the end of the
axle splines. If not, remove drum and install one addi-
tional inner brake drum washer (total of 2) to obtain
required spacing.
Do not back off nut to install cotter
pin.
Install the remaining hardware and tighten the nut to 80-
90 ft. lbs. (108 - 122 Nm) torque. Continue to tighten until
a new cotter pin can be installed through the castellated
nut and the hole in the axle. Maximum torque is 140 ft.
lbs. (190 Nm).
Wheel Brake Service
Wheel brake service consists of disassembly, cleaning,
inspection, lubrication and re-assembly of the wheel
brake. Worn or damaged components must be replaced.
Wheel brake service is required periodically as a preven-
Clevis Pin Loose?
If required adjust spherical nut
to achieve correct parking brake
latching pressure of 65 - 75 lbs.
(29 - 34 kg).
Loosen Jam Nut
Use a 'bathroom' scale
to confirm the latching force
required to engage and latch
the parking brake.
65
7
0
7
5
Front of Vehicle
3
5
1
2
4
6
Summary of Contents for TRACKER LX6 EFI
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