NHTSA ID Number: 10108967
Manufacturer Communication Number: LIT-006-00
TSB/Document Date: 2017-08-01
Summary
Operation Maintenance Service Manual 9,000-15,000 Lbs. Axle Capacity
Demountable
Rim Clamp
210
260
³⁄₄-16 Spherical Nut
006-064-01, 02
006-069-01, 02
Single Wheel
Inner Dual
450
450
500
500
1¹⁄₈-16 Spherical Nut
006-070-01, 02
Outer Dual
450
500
⁵⁄₈-18 Non-Swiveling
Flange Nut
006-058-00
275
325
⁵⁄₈-18 Swiveling
Flange Nut
006-209-00
150
175
M22-1.5
006-118-00
Swivelling
Flange Nut
450
500
TORQUE SEQUENCE
1
1
3
4
1
8
3
6
4
3
5
10
6
8
6
5
7
5
2
2
6 BOLT
8 BOLT
-76-
4
7
2
9
10 BOLT
Before mounting tires onto wheels, make certain that the rim size
and contour is approved for the tire as shown in the Tire and Rim
Association Yearbook or the tire manufacturers catalog. Also make
sure the tire will carry the rated load. If the load is not equal on
all tires due to trailer weight distribution, use the tire rated for the
heaviest wheel position.
Use tire mounting procedures as outlined by the Rubber
Manufacturers Association or the tire manufacturers.
Tire inflation pressure is the most important factor in tire life.
Inflation pressure should be as recommended by the manufacturer
for the load. Pressure should be checked cold before operation.
Do not bleed air from tires when they are hot. Check inflation
pressure weekly during use to ensure the maximum tire life and
tread wear. The following tire wear diagnostic chart will help you
pinpoint the causes and solutions of tire wear problems.
!
CAUTION
Proper matching of the tire/wheel combination is
essential to proper function of your trailer running gear.
Some tires may call for a maximum inflation pressure
above the rim or wheel capacity. DO NOT EXCEED
MAXIMUM INFLATION PRESSURES FOR RIMS OR
WHEELS. Catastrophic failure may result.
-77-
Tire Wear Diagnostic Chart
Cause
Wear Pattern
Action
Center Wear
Over Inflation
Adjust pressure to
particular load per
tire catalog
Edge Wear
Under Inflation
Adjust pressure to
particular load per
tire catalog
Side Wear
Loss of camber
or overloading
Make sure load doesn’t
exceed axle rating.
Align at alignment shop.
Toe Wear
Incorrect toe-in
Align at alignment shop.
Cupping
Out-of-balance
Check bearing adjustment and balance tires.
Flat Spots
Avoid sudden stops
when possible and
adjust brakes.
Tire wear should be checked frequently. Once a wear
pattern becomes firmly established in a tire it is difficult
to stop, even if the underlying cause is corrected.
-78-
Fastener Torque Specifications
Description
Application
Spindle Nut
Inner
Outer
9-15K
9-15K
Grease Zerk
Part No.
Min
Torque
Ft. Lbs.
Max
Torque
Ft. Lbs.
See Bearing Installation/Adjustment
Cam Bushing
Spider
5
8
Cam Brackets
15
8
3
4
50
55
006-086-00
35
38
9K, 10K, U-Bolt
006-038-00
110
150
Drum Mounting
10-15K
007-244-00
90
110
¹⁄₂-13 Hex Cap
Screw
Drum Mounting
10K GD
007-245-00
90
110
⁵⁄₈-11 Hex Locknut
9K Spring Eye
006-038-00
130
150
1-8 Hex Locknut
9K Equalizer
006-112-00
325
375
1-8 Hex Locknut
10K GD Equalizer
006-112-00
325
375
³⁄₄-10 Hex Locknut
10K GD Spring Eye
006-113-00
200
250
³⁄₄-10 Hex Locknut
12K, 15K U-Bolt
006-113-00
160
200
1-8 Hex Locknut
10K, 12-15K
Spring Eye
Rubber Bushed
006-278-00
325
350
1¹⁄₈-7 Hex Locknut
10K, 12-15K
Equalizer Rubber
Bushed
006-072-00
350
400
Plastic Oil Cap
Oil Hubs
021-035-00
021-036-00
021-088-00
20
30
⁷⁄₁₆-20 Hex Nut
Brake Mounting
006-017-00
55
80
Air Chamber
12-15K Air Brake
³⁄₈-16 Self Locking
Hex Nut
Shoe Hold Down
⁵⁄₈-11 Hex Locknut
¹⁄₂-13 Hex Head
Cap Screw
-79-
Replacement Parts/Kits
Replacement Parts/Kits
Bearing Replacement Chart
Inner Bearing
Axle
Outer Bearing
Dx. No.
Industry No.
Dx. No.
Industry No.
9K, 10K GD
031-019-01
031-019-02
382A
387A
031-030-11
031-030-12
25520
25580
10K HD
031-022-01
031-022-02
394A
395S
031-019-01
031-019-02
382A
387A
12K
031-020-01
031-020-02
3920
3984
031-021-01
031-021-02
28622
28682
15K
031-020-01
031-020-02
3920
3984
031-021-01
031-021-02
28622
28682
Seal Replacement Reference
Axle
Part Number
Kit Number
9K
010-051-02
K71-387-00
10K GD
010-051-02
K71-387-00
10K HD
010-056-00
K71-388-00
12K
010-056-00
K71-388-00
15K
010-056-00
K71-388-00
Replacement Parts/Kits
Electric Brake Magnets
Magnet Kit Number
(one magnet per kit)
Wire Color
12¹⁄₄" x 3³⁄₈" 9K, 10K
K71-376-00
Yellow
12¹⁄₄" x 4" 10K
K71-376-00
Yellow
12¹⁄₄" x 5" 12K
K71-377-00
Black
12¹⁄₄" x 5" 15K
K71-378-00
Blue
Brake Size
-80-
Brake Size
Description
Shoe and Lining Replacement
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TSB/Document ID: LIT-006-00
Replacement Service Bulletin Number:
MFR Communication Date: 2017-05-07
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN:AXLE ASSEMBLY
MFR Component System:
MFR Component Subsystem:
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