Brake System Maintenance - Landoll 345B Operator's Manual

2. Align the front axle using the method
outlined in Section 4-7.2 a.c.
3. After proper alignment has been obtained,
tighten the suspension pivot bolt nut to the
torque listed in the table in Section 4-6.2.
4. Align the rear axle to the front axle. Locate
the rear axle equalizer beam pivot bolt in
hanger at front end of driver's side rear axle
equalizer beam. Loosen the suspension
pivot bolt lock nut. Rotate the head of the
pivot bolt. For
rotate bolt head clockwise. For axle
alignment rearward, rotate the bolt head
counter-clockwise. The rear axle should be
parallel with the front axle, with the
dimensions Y and Y1 being the same.
5. Tighten the suspension pivot bolt nut to the
torque listed in the table in Section 4-6.2.

4-8 BRAKE SYSTEM MAINTENANCE

WARNING
USE GREAT CARE IF WHEELS OR
BRAKE DRUMS MUST BE HANDLED.
THEY MAY BE VERY HOT AND CAN
CAUSE SERIOUS INJURY.
4-8.1 General.
a. Check air hoses for chafing, bends, kinks, or
damaged fittings. Replace defective hoses.
b. Check the brake system for loose, missing,
deformed, or corroded fasteners. Replace
and tighten defective hardware.
c. Check brake linings for excessive wear or
distortion (See Figure 4-9).
d. 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).
axle alignment forward,
c. Spring Suspension Axles
SPRING SUSPENSION TORQUE CHART
1"
480-500
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
Section 4-7.2 a.c.
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.
Figure 4-8 Drain Cock Locations
7/8" 7/8" U- 1/2"
bolt
250 300 55-60
4-13