BEFORE PLACING VEHICLE IN SERVICE
3-12 / Equipment, Accessories, and Adjustments
© 2018 Pierce Manufacturing Inc. All Rights Reserved.
3-10. Rear Spring/Suspension Adjustment
3-10.1 TAK-4™ Independent Rear Suspension
Information concerning the ride height adjustment of the optional TAK-4™ Independent Rear Suspension can be
found in the Pierce Service Manual, group 0202-P-011, TAK-4™ Anti-Sway Bar.
3-11. Suspension
Truck suspensions are designed to absorb high forces from road irregularities, steering inputs, and variations in
load. Certain aspects of suspensions will naturally "wear in" during the first few miles of operation under load. Truck
springs will wear off the high spots between the leaves, friction rates will drop off, and the ride height will settle in.
In most cases a leaf spring pack will settle by up to 0.50 inches in the first few hundred miles. This settling
phenomenon can also cause certain suspension fasteners to require tightening.
3-11.1
Spring Suspensions
(Spring U-Bolts)
Spring suspension U-bolts must be tightened to the proper torque after approximately 500 miles of initial use. See
“Spring Suspension (Front and Rear)”
. Ensure that this procedure has been completed prior to placing
the unit in service. Check other suspension related fasteners and torque as required.
3-11.2
Air and Rubber Suspensions
Like spring suspensions, road shock and vibration can cause some initial settling of components. Certain
suspensions do require a re-torquing procedure after the first 500 miles. Refer to the suspension manufacturers
service information for any pre-delivery inspection or torquing requirements.
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Страница 18: ...FOREWORD 1 6 To the Owner and Operator 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 30: ...SAFETY 2 12 Safety and Responsibility 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 62: ...GENERAL 4 20 Controls Indicators and Features 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 122: ...OPERATION 5 60 Driving the Vehicle 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 180: ...LUBRICATION AND MAINTENANCE INTERVALS 7 8 Scheduled Inspections 2018 Pierce Manufacturing Inc All Rights Reserved ...
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