Sterling Trucks Acterra MX - Manual (Page 79)

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
Sterling 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
until the old grease is forced out.
Sterling 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
with a hand gun or pressure gun until grease is
forced out from the base of the pressure-relief fitting.
Hendrickson Equalizer-Beam
End Bushings and Rubber
Center Bushings
No lubrication is required for the equalizer-beam end
bushings or equalizer-beam rubber center bushings.
f320268a 10/05/94
Fig. 10, Forward Spring Bracket Spring Pin Grease
Fitting (vehicles built before September 15, 2002)
320020a 05/27/93
1
1
A
A. Lubricate here.
1.
Cap-and-Tube Assembly Bushing
Fig. 11, Equalizer Assembly Lubrication
Suspension
32
Acterra Maintenance Manual, September 2002 32/8