EQUALIZING BEAM SUSPENSION (HENDRICKSON)
Figure 4 - Three Piece Adapter Bolt Type
Beam End Mounting
Tube Type Beam End Mounting, Figure 5
a.
Remove equalizer beam end tube nuts.
b.
Pull or drive end tubes from axle housing
brackets and beam end bushings. If end tube is
frozen in bushing, install one nut on tube and
tighten against bracket until tube breaks loose in
bushing.
The tube can sometimes be removed by
removing the nuts and using a spacer bushing
between one nut and beam hanger. Tighten nut
to pull tube loose.
If the afore mentioned methods do not pull tube
loose, a portable hack saw can be used to saw
through the tube along the inside surface of
beam hanger bracket legs.
Figure 5 - Tube Type Beam End Mounting
Ball and Socket Beam End Mounting, Figure 10
a.
Remove cotter key from each end of shaft.
b.
Remove one or both castellated nuts.
c.
Use a heavy bar and hammer to drive out shaft.
9.
Separate equalizer beams from cross tube.
After both equalizer beams have been separated
from axles, separate the beams from cross tube
by pulling apart by hand.
The cross tube floats in the inner sleeve of the
center bushings. Slide float is 76mm (3") plus,
which will polish the cross tube where it enters
the center bushing on each side. This visible
polished area on the cross tube is normal.
10.
Remove
saddle
assemblies,
springs
or
cushions.
Leaf Spring Type, Figure 14
a.
Support spring and saddle assembly on floor
jack. Loosen spring aligning set screw (item 11).
Remove spring top pad to saddle bolts and nuts.
Remove top pad. Lower floor jack and remove
saddle.
b.
Remove spring assembly by repositioning floor
jack under spring. Loosen locknut on spring pin
draw key (item 3).
Back off nut sufficiently to protect draw key
threads, then strike nut with soft hammer to
loosen draw key. Remove draw key and drive
spring pin out of spring and spring bracket.
Lower spring assembly from frame and remove
from jack.
Rubber Cushion Type, Figure 15
a.
Remove the four vertical drive pin bushing
retainer caps (item 6).
b.
Remove drive pin nuts (item 8). Separate
saddles (item 4) and load cushions from vertical
drive pins.
In extreme cases, it may be necessary to cut
drive pin nuts to remove them.
c.
Replacement of drive pin bushings procedure
will be found in REPAIR portion of this manual
section.
11.
Remove torque rods from crossmember frame
bracket, should the bushings show evidence of
wear.
CTS-4169 - Page 5