17730-254 57 Torque Speci cations
PRIMAAX
®
for Volvo Vehicles
PRIMAAX for Volvo Vehicles
HENDRICKSON RECOMMENDED TORQUE SPECIFICATIONS
NO COMPONENT *QUANTITY SIZE
**TORQUE VALUE
(in foot pounds)
Frame fasteners are furnished and installed by the vehicle manufacturer. Vehicle manufacturer may use an equivalent
HUCK fastener at frame mount. See vehicle manufacturer for torque requirements.
1 Longitudinal Torque Rod to Top Pad 2
7
/
8
"-14 UNF 525-575
2 U-beam Assembly to QUIK-ALIGN Bushing 2 1"-8 UNC 525-575
3 U-beam Assembly to Center D-pin Bushing 4 ¾"-16 UNF 275-325
4 U-beam Assembly to Cross Tube End Cap 2
7
/
8
"-9 UNC 525-575
5 U-bolt Locknuts 8 ¾"-16 UNF ***350-400
6 Upper Shock Mount Locknuts 2 ¾"-10 UNC 175-200
7 Lower Shock Mount Locknuts 2
5
/
8
"-11 UNC 200-225
8 Air Spring Assembly to Lower Air Spring Mounting Bracket 4 ½"-13 UNC 20-30
NOTE: * Quantities shown are per axle. Double for tandem, triple for tridem.
** Torque values shown apply only if Hendrickson supplied fasteners are used. If non Hendrickson fasteners are used, follow
the torque speci cation listed in vehicle manufacturer’s service manual.
*** See Preventive Maintenance Section of this publication for re-torque intervals.
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