operators_manual

Component Recom-
mended
Interval
(Miles)
Date & R.O.
No.
Repair
Facility &
Location
Work
Performed
Date & R.O.
No.
Repair
Facility &
Location
Work
Performed
Air Intake System
Integrity Element
5,000
Clutch Type Fan Drive 10,000
Frame Fastener Torque
Requirements
Torque specifications for standard and
metric frame fasteners, including the fifth
wheel.
Use ESNA Style Lock Nut, with nylon
insert. Lubricate nylon insert nut lightly with
SAE 20/30 oil. Tighten all frame fasteners
with a torque wrench. Torque specifications
apply to the following fasteners with lightly
lubricated threads. These values are
applicable to fasteners on the frame and
do not apply to u-bolts for the suspension.
Fastener Size Tightening
Specification lb-ft
(N•m)
5/16 16-22 (22-30)
Fastener Size Tightening
Specification lb-ft
(N•m)
3/8 30-40 (41-54)
7/16 55-65 (75-88)
1/2 80-90 (109-122)
9/16 115-140 (156-190)
5/8 165-195 (224-265)
3/4 290-340 (394-462)
7/8 380-460 (517-626)
1 700-830 (952-1,129)
1-1/8 990-1,170 (1,346-
1,591)
Fastener Size Tightening
Specification lb-ft
(N•m)
1-1/4 1,380-1,630 (1,877-
2,217)
Metric Fastener
Size (with
nylon insert
nuts)
Tightening
Specification lb-ft
(N•m)
M5 6-9 (8-12)
M6 7-11 (9-15)
M8 17-23 (23-31)
M10 24-32 (33-43)
M12 55-75 (75-101)
MAINTENANCE - Specification Reference Charts
Y53-6047-2HEN (03/18) 275
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