NHTSA ID Number: 10162712
Manufacturer Communication Number: 17730-312 Rev A
TSB/Document Date: 2019-07-15
Summary
Operation Name: Hendrickson
Truck Commercial Vehicle Systems Document Name: Technical Procedure - SOFTEK Front Suspension System for Lion Bus Summary: This document provides preventive maintenance, service, repair and rebuild instructions for Hendrickson SOFTEK front axle and suspension systems equipped on Lion Bus vehicles.
59828-000
Left Hand Composite Thrust Bearing
1
27
64256-000
Right Hand Roller Thrust Bearing
1
28
Kingpin Shim
As Req.
60259-001X 0.005" Thickness (Pack of 4)
60259-002 0.047" Thickness
29
58910-001
Kingpin Seal
4
5
⁄8"-11 UNC Socket Head Cap Screw
4
30
60236-001
60937-000
Loctite (Red) Compound Tube (Not Shown)
1
31
64246-000
ABS Sensor Sleeve
2
32
76877-003
Tie Rod Assembly, Includes Key Nos. 33-35
1
33
*7⁄8" Castle Nut
2
Tie Rod End Service Kits
60961-734
Axle Set, Kit Nos. 60961-736 and 60961-741
60961-736
Left Hand, Includes Key Nos. 34, 36-37
60961-741
Right Hand, Includes Key Nos. 35-37
17730-312
VEHICLE
QTY.
Tie Rod Ends, 11⁄8 " Threads
34
70995-001 Left Hand
1
35
70995-002 Right Hand
1
7
36
22962-007
⁄8" Flat Washer
2
37
17800-004
Tie Rod Nut Cotter Pin
2
60961-069
Stop Bolt Service Kit, One Side,
Includes Key Nos. 38-39
38
60238-001
½"-13 UNC x 2" Square Head Bolt
2
39
60240-000
½"-13 UNC Hex Jam Nut
2
40
59952-003
Top Axle Wrap
2
41
64722-003
Bottom Axle Wrap
2
42
60508-000
Top Axle Wrap Liner
2
43
59845-000
Bottom Axle Wrap Liner
2
60961-140
Clamp Group Service Kit, One side,
Includes Key Nos. 44-46
44
64804-110
¾"-16 UNF x 11" U-bolt
4
45
22962-001
¾" Flat Washer
8
46
17700-035
¾"-16 UNF 2B Nylon Locknut
8
64506-000
Top Pad/Axle Stop Assembly
Includes Key Nos. 47-48
47
64519-000
Top Pad
2
48
64080-000
Rubber Axle Stop
2
49
70105-010
Front Axle Spacer - 10 mm
2
50
**Meritor Drum Brake Assembly, 15" x 4"
Left Hand Part No. QP4-1540-3085
1
Right Hand Part No. QP4-1540-3086
1
5
51
32043-002
⁄8"-11 UNC x 2¾" Hex Bolt
14
5
⁄8" Hardened Washer
22
52
22962-036
5
53
47764-000
⁄8"- UNC Locknut
8
54
64547-000
ABS Sensor
2
55
64550-000
ABS Sensor Clip
2
56
**Federal Mogul Wheel Seal
2
Kit No. M380001TX0
**Timken Inner Bearing One side, Set No. 413,
Includes Key Nos.57-58
57
Inner Bearing Cone
2
58
Inner Bearing Cup
2
**Timken Outer Bearing One Side, Set No. 406,
Includes Key Nos.59-60
59
Outer Bearing Cup
2
60
Outer Bearing Cone
2
61
**Meritor 1½"-12 UNF Inner Wheel
2
Bearing Adj. Nut Part No. 1227-U-541
62
**Meritor 3⁄16" Wheel End Lock Ring
2
Part No. 1229-G-475
63
**Meritor 0.05" Wheel End Lock Washer
2
Part No. 1229-F-474
64
**Meritor Wheel End Outer Nut No. 1227-B-106 2
65
**Stemco Hubcap Gasket Part No. 330-3024
2
66
**Webb Hub Part No. 25201–1T
2
67
**Webb Drum Part No. 65545B
2
68
***M22 x 1.5 Two-piece Wheel Nut
20
69
**Stemco Hubcap Assembly - 6",
2
Kit No. 343-4346, Includes Key No. 70
70
*Rubber Plug
2
5
⁄16"-18 UNC x ¾" Hex Bolt
12
71
64545-002
with Retainer Washer (Hubcap Bolts)
9
For all (*) see Notes on Page 12
SOFTEK® for Lion Bus equipped with Disc Brakes
Parts Lists
10
17730-312
SOFTEK® for Lion Bus equipped with Disc Brakes
KEY NO. PART NO.
DESCRIPTION
1
2
3
4
5
6
7
VEHICLE
QTY.
58913-009L
58917-001
58917-016
22962-001
49842-000
59946-001
59423-002
60961-162
Shock Absorber
2
¾"-10 UNC x 4¼" Upper Shock Bolt
2
¾"-10 UNC x 8½" Lower Shock Bolt
2
¾" Hardened Washer
8
¾"-10 UNC Hex Locknut
4
Shock Spacer
2
Shock Bracket
2
Leaf Spring Assembly Service Kit,
Includes Key Nos. 8, 13-14
8
53624-000
Leaf Spring Assembly
2
9
64488-002
Front Hanger
2
10
58258-008
M20 x 160 mm Hex Bolt
2
11
58246-004
M20 Hardened Washer
4
12
58259-000
M20 Locknut
2
13
66510-001
Rear Shackle Bracket Assembly
2
14
64314-000
Rear Shackle Plate
4
15
58258-008
M20 x 160 mm Hex Bolt
4
16
58246-004
M20 Hardened Washer
8
17
58259-000
M20 Locknut
4
STEERTEK Axle Assembly with Brake Assembly,
Includes Key Nos. 18-42, 49-65, 68-78
64502-050 Vehicles built AFTER July 20, 2017
64502-049 Vehicles built PRIOR TO July 20, 2017
18
64905-001
Axle & Kingpin Assembly
1
Steering Knuckle Assembly, Includes Key Nos. 25, 29
19
Left Hand Lower
1
58900-053 Vehicles built AFTER July 20, 2017
58900-061 Vehicles built PRIOR TO July 20, 2017
20
Right Hand Lower
1
58900-054 Vehicles built AFTER July 20, 2017
58900-062 Vehicles built PRIOR TO July 20, 2017
21
60903-034 Left Hand Upper, Replaces 60903-004
1
22
60904-002 Right Hand Upper
1
Kingpin Bushing and Bearing Service Kits
60961-040
Axle Set, Includes Kit Nos. 60961-009 & -039
60961-009
Left Hand with Composite Thrust Bearing,
Includes Key Nos. 23-26, 28-30 and Loctite
60961-039
Right Hand with Roller Thrust Bearing,
Includes Key Nos. 23-25, 27-30 and Loctite
23
59156-000
Grease Cap Assembly
4
24
58937-000
Retaining Ring
4
25
58909-000
Kingpin Bushing
4
Thrust Bearing Service Kits
60961-043 Axle Set, Includes Kit Nos. 60961-041 & -042
60961-041
Left Hand Composite Thrust Bearing, Includes
Key Nos. 26, 28-30 and Loctite
60961-042
Right Hand Roller Thrust Bearing, Includes
Key Nos. 27-30 and Loctite
26
59828-000
Left Hand Composite Thrust Bearing
1
27
64256-000
Right Hand Roller Thrust Bearing
1
28
Kingpin Shim
As Req.
60259-001X 0.005" Thickness (Pack of 4)
60259-002 0.047" Thickness
29
58910-001
Kingpin Seal
4
5
⁄8"-11 UNC Socket Head Cap Screw
4
30
60236-001
60937-000
Loctite (Red) Compound Tube (Not Shown)
1
31
Tie Rod Assembly, 11⁄8" Threads,
1
Includes Key Nos. 32-34
76877-002 Vehicles built AFTER July 20, 2017
76877-003 Vehicles built PRIOR TO July 20, 2017
32
*7⁄8" Castle Nut
2
Tie Rod End Service Kits
60961-734
Axle Set, Includes 60961-736 and 60961-741
60961-736
Left Hand, Includes Key Nos. 33, 35-36
60961-741
Right Hand, Includes Key Nos. 34-36
Tie Rod End, 11⁄8" Threads
33
70995-001 Left Hand
1
34
70995-002 Right Hand
1
17730-312
KEY NO. PART NO.
DESCRIPTION
35
36
VEHICLE
QTY.
7
⁄8" Flat Washer
2
Tie Rod Nut Cotter Pin
2
Stop Bolt Service Kit, One Side,
Includes Key Nos. 37-38
37
60238-001
½"-13 UNC x 2" Square Head Bolt
2
38
60240-000
½"-13 UNC Hex Jam Nut
2
39
59952-003
Top Axle Wrap
2
40
64722-003
Bottom Axle Wrap
2
41
60508-000
Top Axle Wrap Liner
2
42
59845-000
Bottom Axle Wrap Liner
2
60961-140
Clamp Group Service Kit, One side,
Includes Key Nos. 43-45
43
64804-110
¾"-16 UNF x 11" U-bolt
4
44
22962-001
¾" Flat Washer
8
45
17700-035
¾"-16 UNF 2B Nylon Locknut
8
64506-000
Top Pad/Axle Stop Assembly
Includes Key Nos. 46-47
46
64519-000
Top Pad
2
47
64080-000
Rubber Axle Stop
2
48
70105-010
Front Axle Spacer - 10 mm
2
49
**Meritor Brake Caliper Assembly
2
Left Hand Part No. 60450482007
Right Hand Part No. 60450483007
50
**Wabco ABS Sensor Clip Part No. 300088
2
51
**Wabco ABS Sensor Part No. 441 032 814 0 2
52
**Meritor ABS Bracket Part No. 69180466
2
5
53
18160-012
⁄16"-18 UNC x ½" Bolt (ABS Bracket)
4
54
**Meritor Dust Shield Part No. 3264W1453
2
55
**Meritor Dust Shield Clip Part No. 2257V1270 2
56
64201-001
M8 x 1¼"-6G Cap Screw (Dust Shield)
6
57
**Meritor Torque Plate
2
Left Hand Part No. 69120952
Right Hand Part No. 69120951
5
58
32043-002
⁄8"-11 UNC x 2¾" Hex Bolt (Torque Plate)
14
5
⁄8"-11 UNC x 1½" Hex Bolt (Torque Plate)
2
59
32043-021
5
60
22962-036
⁄8" Hardened Washer (Torque Plate)
24
5
61
47764-000
⁄8"-11 UNC Locknut (Torque Plate)
8
62
58258-017
M20 x 2.5-6G Hex Bolt (Caliper)
8
63
58246-018
M20 Hardened Washer (Caliper)
8
Replaces 58246-009
64
**Federal Mogul Wheel Seal
2
Kit No. M380001TX0
**Timken Inner Bearing One side, Set No. 413,
Includes Key Nos.65-66
65
Inner Bearing Cone
2
66
Inner Bearing Cup
2
**Timken Outer Bearing One Side, Set No. 406,
Includes Key Nos. 67-68
67
Outer Bearing Cup
2
68
Outer Bearing Cone
2
69
**Meritor 1½"-12 UNF Inner Wheel
2
Bearing Adj. Nut Part No. 1227-U-541
2
70
**Meritor 3⁄16" Wheel End Lock Ring
Part No. 1229-G-475
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TSB/Document ID: 17730-312 Rev A
Replacement Service Bulletin Number:
MFR Communication Date: 2019-03-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)
MFR Component System:
MFR Component Subsystem:
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