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FRAME
Every 60,000 miles or 6 months:
•
Refer to specific manufacturer's
literature for any special
instructions.
•
Remove fifth wheel from vehicle.
Refer to the Shop Manual, "Fifth
Wheel Removal."
•
Steam clean the fifth wheel and
mounting brackets.
•
Check all moving parts for
excessive wear or damage.
Replace all worn or broken parts.
•
Complete two-month service
procedure.
•
Install fifth wheel. Refer to
the Shop Manual, "Fifth Wheel
Installation."
Frame Fastener Torque
Requirements
Tighten all frame fasteners with a
torque wrench. Torque specifications
apply to the following fasteners with
lightly lubricated threads.
NOTE
Whenever possible, torque all frame
fasteners on the nut end, not the bolt
head.
Standard Grade 8 UNF or UNC and Metric
TORQUE *
FAS-
TENER
SIZE
Nm
Lb-Ft
5/16
22-30
16-22
3/8
41-54
30-40
7/16
75-88
55-65
1/2
109-122
80-90
9/16
156-190
115-140
5/8
224-265
165-195
3/4
394-462
290-340
7/8
517-626
380-460
1
952-1,129
700-830
1-1/8
1,346-
1,591
990-1,170
1-1/4
1,877-
2,217
1,380-
1,630
METRIC WITH NYLON INSERT NUTS
M5
8-12
6-9
M6
9-15
7-11
M8
23-31
17-23
M10
33-43
24-32
5-112
Y53-6060-1C1
(03/17)
5
Summary of Contents for 325 2017
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Page 3: ...348 337 330 325...
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Page 5: ...Contents Safety Emergency Controls Driving Maintenance Information Index 1 2 3 4 5 6 7...
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Page 298: ...ELECTRICAL Fuse Panel Door 5 88 Y53 6060 1C1 03 17 5...
Page 299: ...ELECTRICAL Fuse Panel Label 03 17 Y53 6060 1C1 5 89 5...
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