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Kenworth K270 manual available for free PDF download: Body Builder's Manual
Kenworth K270 Body Builder's Manual (96 pages)
Medium Duty
Brand:
Kenworth
| Category:
Trucks
| Size: 6.1 MB
Table of Contents
Table of Contents
3
Section 1 Introduction
8
Safety Signals
9
Section 2 Safety & Compliance Safety Signals
9
Federal Motor Vehicle Safety Standards Compliance
10
Incomplete Vehicle Certification
10
Noise and Emissions Requirements
11
Section 2 Safety & Compliance
9
Section 3 Dimensions
12
Abbreviations
12
Table 3-1. Abbreviations Used
12
Turning Radius
13
Table 3-2 Turning Radius
13
Cab Tilt
14
K270 W/19.5 Tires
14
K370 W/19.5 Tires
14
Table 3-3 Cab Tilt Height
14
K370 W/22.5 Tires
15
Overall Dimensions
16
Figure 3-1. Side View - K270 W/19.5 Tires Height and Length Measurement
16
Table 3-4. Overall K270 W/19.5 Tires Dimensions Inches (MM)
17
Figure 3-2. Side View -K370 W/19.5 Tires Height and Length Measurement
18
Side View - K370
18
Table 3-5.1. Overall K370 W/19.5 Tires Dimensions
18
Figure 3-3. Side View -K370 W/22.5 Tires Height and Length Measurement
19
Table 3-5.2. K370 W/22.5 Tires Overall Dimensions
19
Figure 3-4. K270/K370 W/19.5 Tires Front View: Width and Ground Clearance Measurements: Inches
21
Figure 3-4.1. K270/K370 W/22.5 Tires Front View: Width and Ground Clearance Measurements: Inches
21
Front and Rear Views - K270/K370
21
Figure 3-5. K270 W/19.5 Tires Rear View: Width and Ground Clearance Measurements: Inches (MM)
22
Figure 3-5.1 K370 W/19.5 Tires Rear View: Width and Ground Clearance Measurements: Inches (MM)
22
Detail Views
23
Left Side: Chassis Heights -K270 W/19.5 Tires
23
Figure 3-6. Cab Floor: Side View, Left Side
23
Table 3-6 K270 W19.5 Tires Battery Box Step and Cab Floor Measurements
23
Left Side: Chassis Heights - K370
24
Table 3-7.1 Battery Box Step and Cab Floor Measurements W/ 19.5 Tires
24
Figure 3-7.1. Cab Floor: Side View, Left Side W/ 22.5 Tires
25
Table 3-7.2 Battery Box Step and Cab Floor Measurements W/22.5 Tires
25
Table 3-8 Floor to Frame Measurements
25
Components Locations -K270 W/19.5 Tires
26
Figure 3 -8.1.1 K270 W/ Air to Oil Transmission Cooler, Battery Box, Fuel Tank, Air Tank, DEF Tank, and Crossmember Location Measured from Front Axle: Inches (MM)
26
Figure 3-8.1.2 K270 W/ Oil to Water Transmission Cooler, Battery Box, Fuel Tank, Air Tank, DEF Tank, and Crossmember Location Measured from Front Axle: Inches (MM)
26
Components Locations -K370
27
Figure 3-8.2.2 K370 W/Oil to Water Transmission Oil Cooler and 19.5 Tires, Battery Box, Fuel Tank, Air Tank, DEF Tank, and Crossmember Location Measured from Front Axle: Inches (MM)
27
Figure 3-8.2.3 K370 22.5 Tires, Battery Box, Fuel Tank, Air Tank, DEF Tank, and Crossmember Location Measured from Front Axle: Inches (MM)
28
Figure 3-8.2.4 K370 22.5 Tires, Battery Box, Dual Fuel Tanks, Air Tank, DEF Tank, and Crossmember Location Measured from Front Axle: Inches (MM)
28
Figure 3-8.2.5 K370 22.5 Tires, Short Wheelbase, Air Tanks on the RH Side, Battery Box, DEF Tank and Crossmember Location Measured from Front Axle: Inches (MM)
29
Crossmember Locations -K270 W/19.5 Tires
30
Figure 3-9.1. K270 Crossmember Location
30
Table 3-9.1. K270 Crossmember Location Measured from the Front of the Frame Inches (MM)
30
Figure 3-9.2. K370 Crossmember Locations
31
Table 3-9.2 K370 Crossmember Location Measured from Front Axle Centerline Inches (MM)
31
Frame Rail Configurations
32
Figure 3-10. K270/K370 Rail Measurements
32
Table 3-10. Frame Rail Strength Characteristics
32
Battery Box, Fuel Tanks and Air Tanks - K270/K370
33
Figure 3-11. K270/K370 Battery Box, Fuel Tank and Air Tanks Measurement MM (In)
33
DPF & SCR Locations - K270/K370
34
Figure 3-11. K270/K370 Exhaust Measurements
34
Table 3-12. K270/K370 Exhaust Location Measured from BOC Inches (MM)
34
Table 3-13. K270 / K370 Exhaust Location Measured from BOC Inches (MM)
34
Reyco 79KB Single Rear Axle Hendrickson HAS Single Rear Axle
35
Tire Data
35
Frame and Cab Related Heights
35
Ground Clearances
35
PTO Clearances
36
Figure 3-14.1 K370 PTO Clearances 1 of 2
37
Figure 3-15 K270 PTO Clearances
38
Section 4 Exhaust & Aftertreatment
39
Exhaust and Aftertreatment Information
39
General Guidelines for DEF System
41
Installation Requirements and Dimensions for DEF System
41
Measurement Reference Points
42
Figure 4-1: Measurement Location of DEF Supply Module (Pump)
42
Figure 4-2: Measurement Location of DEF Dosing Module (Injector)
42
Figure 4-3: Orientation of Dosing Module
43
Figure 4-4: Routing DEF Lines and DEF Trap
43
General Exhaust Information
44
Figure 4-5: Horizontal Crossover DPF and SCR with Horizontal Tailpipe
44
Figure 4-5.1: Top View of Horizontal Crossover DPF and SCR with Horizontal Tailpipe
44
Figure 4-5.2: Right View of Horizontal Crossover DPF and SCR with Horizontal Tailpipe
45
Figure 4-5.3: Back View of Horizontal Crossover DPF and SCR with Horizontal Tailpipe
45
Section 5 Frame Layouts and Body Mounting
46
Frame Layouts
46
Visual Index
46
Table 5-1 Symbols
46
Acronyms Index
47
Figure 5-1: Horizontal Crossover DPF/SCR, LH Horizontal Tailpipe, RH BOC Rectangular Fuel Tank, RH BOC Rectangular DEF Tank and LH BOC Battery Box
47
Figure 5-2: Horizontal Crossover DPF/SCR, LH Horizontal Tailpipe, RH BOC Rectangular Fuel Tank, RH BOC Rectangular Fuel Tank, RH BOC Rectangular DEF Tank and LH BOC Battery Box
47
Critical Clearances
48
Rear Wheels and Cab
48
Figure 5-2. Minimum Clearance between Top of Rear Tires and Body Structure Overhang
48
Figure 5-3. Minimum Back of Cab Clearance
48
Body Mounting Using Brackets
49
Frame Sill
49
Brackets
50
Mounting Holes
50
Figure 5-4. Spacer between Frame Sill and Body Rail - Rubber or Plastic
50
Figure 5-6. Rubber Spacer between Brackets
50
Frame Drilling
51
Hole Location Guidelines
51
Body Mounting Using U-Bolts
51
Spacers
51
Figure 5-8. Crossmember-Gusset Hole Pattern Requirements. [Inch(MM)]
51
Figure 5-9. Acceptable U-Bolt Mounting with Wood and Fabricated Spacers
52
Figure 5-10. Clearance Space for Air Lines and Cables
52
Rear Body Mount
53
Figure 5-11 Example of Fishplate Bracket at Rear End of Body, Used with U-Bolts
53
SECTION 6 FRAME Modifications
54
Frame Modifications
54
Introduction
54
Drilling Rails
54
Location and Hole Pattern
54
Modifying Frame Length
55
Frame Insert
55
Figure 6-1. Detail of Frame
55
Changing Wheelbase
56
Crossmembers
57
Figure 6-3 Comparison of Original, Shortened, and Extended Wheelbases
57
Figure 6-4. Crossmember Added When Distance Exceeds 60 Inches (1524 MM)
57
Electrical Electrical
58
Introduction
58
Electrical Circuits
58
Capacity
58
ELECTRICAL Introduction
58
Dashboard Identification
59
Figure 7-1. Instrument Layout
59
Data Bus Communication
60
Figure 7-2. Data Bus Communication Architecture
60
Removal and Installation
61
Removal and Installation, Switches
61
Removal and Installation, Dashboard Panels
61
Table 7-1. Additional Spare Circuits for Wiring
77
Table A-1. Model Year (Code) Designations
81
Certification Labels
82
Components and Weights Label
82
Tire/Rim and Weight Rating Data Label
82
Incomplete Vehicle Certification Label
82
Figure A-2. Drivers Door and Door Frame Label
82
Component Identification
83
Engine Identification
83
Figure A-3. Engine Identification Location
83
Transmission Identification
84
Front Axle Identification
84
Rear Axle Identification
84
Figure A-4. Front Axle Identification
84
Figure A-5. Rear Axle Identification
84
APPENDIX A VEHICLE Identification
81
Vehicle Identification Number
81
VIN Location
81
Chassis Number Locations
81
Appendix B Weight Distribution
85
Introduction
85
Abbreviations
85
Calculations
86
Weight Distribution Without Body
86
Figure B-1. Balanced Load: Cgf 100 In. from Front Axle
86
CALCULATIONS Weight Distribution Without Body
86
Figure B-2. Unbalanced Load: Cgf 133 In. from Front Axle
87
Weight Distribution with Body
88
Chassis Weights
88
Table B-1. K270/K370 Single Rear Axle "Bare" Chassis Tare Weights (no Driver, no Fuel
88
Figure B-3. Balanced Body Unloaded: Cgf 184.7 In. (4691.45 MM) from Front Axle
89
Figure B-4. Liftgate Example: Cgf 322.2 in (8183.9 MM) from Front Axle
89
Complete (Loaded) Vehicle
91
Table B-2. K270 Weight Distribution and Chassis Rating Calculation
91
Weight Distribution Analysis
93
Body Length
93
Table B-3. Available K270/K370 Body Lengths
94
Index
95
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