PRIMAAX ® EX – Mack Vehicles
REAR SUSPENSIONS
VEHICLE
VEHICLE
KEY NO. PART NO.
DESCRIPTION
QTY.
KEY NO. PART NO.
DESCRIPTION
QTY.
U-bolt Fastener Kit, One Wheel End Includes Key Nos. 19-20
1
67222-002
Frame Hanger
4
48718-501
Pivot Bushing Service Kit
One Wheel End, Includes Key Nos. 2a, 3-7, 43 Axle Set, Includes Key Nos. 2a, 3-7, 43
60961-720 60632-020 60632-043
19 20 21
*¾" Flat Washer
16 16
*¾"-16 UNF U-bolt Locknut
Axle Set, Severe-duty, Includes Key Nos. 2b, 3-8, 43 QUIK-ALIGN Collar Service Kit, Includes Key Nos. 3-7
Axle Spacer
4
a b
65139-003 76960-001 60556-XXX 60657-007 60657-003 50754-030
8½" Ride Height, Lower 10" Ride Height, Upper
22 23
Bottom Cap, See Selection Guide on Page 446 4
One Wheel End
60632-019 60632-021 60632-018
Shock Absorber
4
Axle Set
8½" Ride Height 10" Ride Height
QUIK-ALIGN Fastener Service Kit, One Wheel End , Includes Key Nos. 5-7
Single Shock Absorber Fastener Service Kit, Includes Key Nos. 24-29
2 a
*Heavy-duty Pivot Bushing *Severe-duty Pivot Bushing *QUIK-ALIGN Concentric Collar *QUIK-ALIGN Eccentric Collar
4 4 4 4 8 4 4
b
24 25 26 27 28 29 30 31
*¾"-10 UNC x 4¼" Upper Shock Bolt
4 4 4 4 8 4 4 4
3 4 5 6 7 8 9
*¾" Flat Washer
*¾"-10 UNC Locknut
*1"-14 UNF x 7½" Hendrickson Coated Hex Bolt 4
* 5 ⁄ 8 "-11 UNC X 6" Lower Shock Bolt
*1" Hendrickson Coated Flat Washer *1"-14 UNF Hendrickson Coated Locknut
* 5 ⁄ * 5 ⁄
8 " Flat Washer
8 "-11 UNC Locknut
*Confinement Washer
67463-006
Upper Shock Frame Bracket
U-beam Assembly, Includes Key Nos. 2, 10
Top Pad
67249-003 67249-004
Rear Front
1 1
a b
76961-000
• Use with Arched Style Torque Rod • Use with Thru Bolt Style Torque rod
D-pin Bushing Service Kits, See Selection Guide on Page 446
60877-001 65641-000
8½" Ride Height 10" Ride Height
Single , Includes Key Nos. 10-13
34013-XXX 56659-XXX
32
Longitudinal Torque Rod, See Selection Guide
4
Axle Set, Fasteners Only, Includes Key Nos. 11-13
on Page 446 Arched Style
10 11
*D-pin Bushing
4 8
a b
*¾"-16 UNF Bolt, See Selection Guide
67274-XXX
Thru Bolt Style, Replaces 64981-XXX Longitudinal Torque Rod Fastener Service Kits, One Side To Top Pad, Includes Key Nos. 33, 36-37 To Frame Hanger, Includes Key Nos. 34, 36-37 To Frame Hanger, Includes Key Nos. 35-37 To Top Pad, Includes Key Nos. 38-40 * 5 ⁄ 8 "-11 UNC x 10½" Hex Bolt or **M16 x 2-6G Bolt 8 * 5 ⁄ 8 "-11 UNC x 8" Hex Bolt or **M16 x 2-6G Bolt 8 * 5 ⁄ 8 "-11 UNC x 5½" Hex Bolt 8
on Page 446
12 13
*¾" Flat Washer
16
*¾"-16 UNF Locknut Air Spring Service Kits
8
49176-060 49176-050 58821-027 58821-012
One Wheel End, Includes Key Nos. 14-17 Single, Fasteners only, Includes Key Nos. 16-17
60961-230 49177-006 67043-002 60911-002
14 15 16 17
Air Spring Assembly
4 4 8 8
33 34 35 36 37 38 39 40 41
Lower Air Spring Mounting Bracket
*½" Flat Washer
*½"-13 UNC Locknut
* 5 ⁄ 8 " Flat Washer or **M16 Washer
32
U-bolt Service Kit, One Wheel End, Includes Kit No. 48718-501 • Used with Key No. 31a 8½" Ride Height, Includes Key Nos. 18a 10" Ride Height, Includes Key Nos. 18b • Used with Key No. 31b 8½" Ride Height, Includes Key Nos. 18c 10" Ride Height, Includes Key Nos. 18d
* 5 ⁄ 8 "-11 UNC Locknut or **M16 x 2-6H Locknut 16
* 7 ⁄ 8 "-14 UNF-2A x 5½" Hex Bolt
4 8 4
* 7 ⁄
8 " Flat Washer
91430-048 91430-050
* 7 ⁄ 8 "-14 UNF-2B Locknut
Torque Rod Shim, See Selection Guide
As Req.
on Page 446
91430-041 91430-044
70240-001 70240-002
3.0 mm, 1.5 mm
18
*¾"-16 UNF Square U-bolt
8
42 43
**Transverse Torque Rod Assembly P-80 Lubricant - 10 ml (Not Shown)
2
a b c d
10 3 ⁄
8 " - 8½" Ride Height
70867-001
Per Bushing 1
9 7 ⁄
8 " - 10" Ride Height
**Height Control Valve and Linkage Assembly
1
Not Shown
10 3 ⁄
8 " - 8½" Ride Height
9 7 ⁄
8 " - 10" Ride Height
NOTES: Quantities specified are shown for a tandem suspension.Adjust quantities for single or tridem suspensions. Quantities of service kit components may vary from amount shown in lists. * Item included in kit/assembly only, part not sold separately. ** Item required, component supplied by Vehicle Manufacturer. Hendrickson is not responsible for components not supplied by Hendrickson, for assistance with maintenance and rebuild instructions on these components see vehicle manufacturer. *** No longer available for service, see replacement guide on Page 445. For more information, refer to Hendrickson Technical Bulletin Literature No. SEU-0229 or contact Hendrickson Tech Services. **** Alternate configuration of the QUIK-ALIGN fasteners.The locknuts located inboard will allow additional clearance for wider tires or tires with chains.Tightening is still required ONLY on the locknut.
443
Reference Lit. No. SP-231 | 1-866-755-5968
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