stallation procedures, and for suspension align-
ment instructions.
Reyco 79KB Fastener Torque Check
Check the U-bolt nuts, hanger mounting bolts, torque
rod clamp nuts, and the spring retainer bolts for
proper fastener torque.
1. Park the vehicle on level ground. Apply the park-
ing brakes, and chock the tires.
2. Use a click-type torque wrench to check that
U-bolt nuts are tightened 400 to 450 lbf·ft (540 to
610 N·m).
3. Use a click-type torque wrench to check that
spring hanger bolts are tightened 190 lbf·ft (258
N·m).
4. Use a click-type torque wrench to check that the
5/8-inch torque rod clamp nuts are tightened 125
to 150 lbf·ft (170 to 203 N·m).
5. Use a click-type torque wrench to check that the
two end-nuts for each torque rod are tightened
400 to 450 lbf·ft (540 to 610 N·m).
6. Use a click-type torque wrench to check that
spring retainer bolts are tightened 60 to 80 lbf·ft
(81 to 109 N·m).
32–02 Suspension Lubricating
Freightliner Spring Front Suspension
Wipe all dirt from the grease fittings at the forward
spring pin and the spring shackle pins; then apply
multipurpose chassis grease with a pressure gun un-
til the old grease is forced out.
Freightliner Spring Rear Suspension
Single Axle
Lubricate the spring pin by applying multipurpose
chassis grease at the grease fitting. See Fig. 10. Lu-
bricate with a grease gun until grease appears at the
base of the fitting.
Tandem Axle
CAUTION
If the equalizer cap and tube assembly is
equipped with a nonrelief grease fitting, excessive
lubrication can damage the bushings.
Lubricate the equalizer cap-and-tube assembly bush-
ings by applying multipurpose chassis grease at the
pressure-relief grease fitting. See Fig. 11. Lubricate
01/04/96
f320488
1
2
1
1. Torque Rod Clamp 2. Torque Rod
Fig. 9, Reyco 79KB Torque Rod Clamp Position
Suspension 32
Business Class Trucks Maintenance Manual, July 1999 32/7
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