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Spring Suspension Axles
SPRING SUSPENSION TORQUE CHART
Size
1"
480-500
250
Torque in
Ft. Lbs.
1. Loosen the torque arm clamp bolts on the adjustable
torque arms and loosen the axle U-bolts.
2. Turn the adjustable torque arm on the front axle until
the proper alignment has been achieved using the
procedure outlined in "Manual Alignment
Procedure" on page 4-12.
3. Tighten the axle U-bolts to the torques listed in the
above table.
4. Tighten the front axle torque arm clamp bolts to the
torque listed in the above table.
5. Align the rear axle to the front axle in the same
manner using the torque arm for adjusting. The rear
axle should be parallel with the front axle, with the
dimensions Y and Y1 being the same.
6. Tighten the rear axle U-bolts to the torque values
listed in the above table.
7. Tighten the rear axle torque arm clamp bolts to the
torque listed in the above table.
7/8"
7/8"
U-Bolt
1/2"
300
55-60
MAINTENANCE AND LUBRICATION
Brake System Maintenance
Use great care if wheels or brake drums must be
handled. They may be very hot and can cause
serious injury.
General
1. Check air hoses for chafing, bends, kinks, or
damaged fittings. Replace defective hoses.
2. Check the brake system for loose, missing,
deformed, or corroded fasteners. Replace and
tighten defective hardware.
3. Check brake linings for excessive wear or distortion
(See Figure 4-9.)
4. Drain air reservoir daily. A drain cock on the bottom
of each air reservoir vents the tank to drain collected
water and oil. If held open, air pressure in the tanks is
relieved, causing the emergency or parking brakes to
be applied (See Figure 4-8.)
Figure 4-8: Drain Cock Locations
WARNING
4-13
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