NHTSA ID Number: 10162798
Manufacturer Communication Number: OM-H754 Rev F
TSB/Document Date: 2019-07-15
Summary
Operation Name: Hendrickson
Auxiliary Axle Systems Document Name: Owner's Manual - Steerable Auxiliary Lift Axle Systems; Operation & Preventive Maintenance Procedures Summary: This document provides operation and preventive maintenance procedures for Hendrickson steerable auxiliary lift axle systems.
AXLE LOAD (in pounds)
*RIDE AIR SPRING
EXTENSION (in inches)
9,500
64
66
68
70
73
76
79
83
88
10,000
67
69
72
74
77
80
84
88
92
10,500
71
73
75
78
81
84
88
92
97
11,000
75
77
79
82
85
88
92
96
101
11,500
78
80
83
86
89
92
96
101
106
12,000
82
84
87
90
93
96
100
105
110
12,500
85
88
90
93
97
100
104
109
114
13,000
89
91
94
97
101
104
109
113
119
13,500
92
95
98
101
104
108
113
118
123
ESTIMATED AIR SYSTEM PRESSURE REQUIREMENTS (in PSI)
COMPOSILITE SCT /SCB/SCW/SCO 13
*To measure ride air spring extension and axle lift, see Figure 6–1.
OM–H754
13
Air Pressure Load Information
Owner’s Manual – Steerable Auxiliary Lift Axle Systems
10.5"
11.0"
11.5"
12.0"
12.5"
13.0"
13.5"
14.0"
14.5"
6.0"
6.5"
7.0"
7.5"
8.0"
8.5"
9.0"
9.5"
10.0"
6,000
22
23
23
24
25
26
27
28
30
7,000
27
28
28
29
30
31
32
34
37
8,000
31
33
33
34
35
37
38
40
43
AXLE LOAD (in pounds)
*RIDE AIR SPRING
EXTENSION (in inches)
9,000
36
38
38
39
40
42
44
46
49
10,000
41
43
43
44
46
48
49
52
56
11,000
45
47
47
49
51
53
55
58
62
12,000
50
52
52
54
56
58
61
64
68
13,000
55
57
57
59
61
64
66
70
75
14,000
59
62
62
64
66
69
72
76
81
15,000
64
67
67
69
72
75
78
82
87
16,000
68
72
72
74
77
80
83
88
94
17,000
73
77
77
79
82
86
89
94
100
18,000
78
82
81
84
87
91
95
100
106
19,000
82
86
86
89
92
97
100
106
112
20,000
87
91
91
95
98
102
106
111
119
ESTIMATED AIR SYSTEM PRESSURE REQUIREMENTS
(in PSI)
COMPOSILITE SCT /SCB/SCW/SCO/TVR 20
19.0"
20.0"
21.0"
22.0"
23.0"
24.0"
4.5"
5.0"
5.5"
6.0"
6.5"
7.0"
8000
23
24
25
27
30
33
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TSB/Document ID: OM-H754 Rev F
Replacement Service Bulletin Number:
MFR Communication Date: 2019-03-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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