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Self-steering axle and suspension system
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- Contents
- Table of Contents
- Bookmarks
Table of Contents
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Table of Contents
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Introduction
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Installer Responsibility
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Before You Begin
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Safety Explanations
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Warning
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Identifying Your Model
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Ride Height
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Calculating Ride Height
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Installation
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Mounting the Suspension
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Adjusting Maximum Turn Angle
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Adjusting Wheel Toe-In
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Torque Requirements
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Torque Guidelines
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Air Pressure Vs. Load Guide
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SL2065 Series Pressure Chart
- Parts List
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Service Kits
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Quick-Change Ride Height
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TABLE OF CONTENTS
1.
Introduction ____________________________ 1
1.1 Installer Responsibility _______________ 1
2.
Before You Begin ________________________ 1
2.1 Safety Explanations _________________ 2
2.2 Warning __________________________ 2
2.3 Identifying Your Model _______________ 2
3.
Ride Height _____________________________ 3
3.1 Calculating Ride Height ______________ 3
4.
Installation _____________________________ 4
4.1 Mounting the Suspension _____________ 4
4.2 Adjusting Maximum Turn Angle ________ 8
4.3 Adjusting Wheel Toe-in ______________ 9
5.
Torque Requirements ___________________ 10
5.1 Torque Guidelines _________________ 11
6.
Air Pressure vs. Load Guide ______________ 13
SL2065 Series Pressure Chart ___________ 13
7.
Parts List _____________________________ 14
8.
Service Kits ___________________________ 19
9.
Quick-change Ride Height _______________ 21
10. Preventive MaintenanceError! Bookmark not defined.
W&C214
REV 03.01.2017
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Table of Contents
Summary of Contents for W&C SL20K
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Page 1: Table Of Contents
TABLE OF CONTENTS Introduction ____________________________ 1 1.1 Installer Responsibility _______________ 1 Before You Begin ________________________ 1 2.1 Safety Explanations _________________ 2 2.2 Warning __________________________ 2 2.3 Identifying Your Model _______________ 2 Ride Height _____________________________ 3 3.1 Calculating Ride Height ______________ 3 Installation _____________________________ 4 4.1 Mounting the Suspension _____________ 4 4.2 Adjusting Maximum Turn Angle ________ 8... -
Page 2: Introduction
SL20K Self-Steering Axle and Suspension System Installation Manual 1. Introduction This publication is to acquaint and assist you in 1.1 Installer Responsibility installing and operating the Watson & Chalin Auxiliary Steerable Liftable Air Ride Suspension Product Line and is intended for use only with The installer of the suspension system must: this Product Line. -
Page 3: Safety Explanations
SL20K Self-Steering Axle and Suspension System Installation Manual • Ensure suspension operates within the run range. 2.3 Identifying Your Model 2.1 Safety Explanations IMPORTANT It is important that you know what model number Watson & Chalin uses the following types of... -
Page 4: Ride Height
SL20K Self-Steering Axle and Suspension System Installation Manual Watson & Chalin provides numerous different SL series suspension systems to accommodate 3. Ride Height different vehicle ride heights and capacities. Ride Height, also referred to as Run Height, is 3.1 Calculating Ride Height... -
Page 5: Installation
SL20K Self-Steering Axle and Suspension System Installation Manual 4.1 Mounting the Suspension 4. Installation Before mounting the suspension, you must: The following instructions are for installing the components of the Watson & Chalin SL Series • Confirm that the proper suspension and axle Suspension systems. - Page 6 SL20K Self-Steering Axle and Suspension System Installation Manual FIG – 4 Chassis Crossmember Reinforcement NOTE Throughout the installation process you must check frequently suspension clearance problems while mounting the suspension.
- Page 7 SL20K Self-Steering Axle and Suspension System Installation Manual To mount the suspension to the vehicle: FIG – 5 Suspension Mounting Position 1. Place the vehicle on a level surface. NOTE 2. Mark approximate location If, while raising the SL series suspension into...
- Page 8 SL20K Self-Steering Axle and Suspension System Installation Manual FIG – 6 Frame Alignment 9. Mark the location of the mounting holes on 13. Drill remaining mounting holes per side rail. the outside of both suspension frame rails. See Figure 7 or the supplied suspension drawing for recommended fastener quantities 10.
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Page 9: Adjusting Maximum Turn Angle
SL20K Self-Steering Axle and Suspension System Installation Manual FIG – 7 Recommended Fastening Method 17. Attach crossmember to the suspension front b. Adjust the turn angle by adjusting the hangers with supplied fasteners and tighten stop bolt in or out. -
Page 10: Adjusting Wheel Toe-In
SL20K Self-Steering Axle and Suspension System Installation Manual 7. Use the following calculation to determine the 4.3 Adjusting Wheel Toe-in Toe-in measurement. Toe-in is the relationship of the distance between Distance between back tires (R) __________ the front and rear of the tires or the amount at which the front wheels point inward. -
Page 11: Torque Requirements
SL20K Self-Steering Axle and Suspension System Installation Manual 5. Torque Requirements Torque specifications listed in the following tables are applied to nuts, but not bolts. All torque requirements are for lubricated threads only. A lubricated thread defined bolted connection that has some form of friction modifier or lubricant applied to the thread surfaces, which provides a lower torque requirement. -
Page 12: Torque Guidelines
SL20K Self-Steering Axle and Suspension System Installation Manual Torque Requirement Procedures 5.1 Torque Guidelines All fasteners should be re-torqued according to The following table shows the proper torque the following schedule. requirements for the cap screws and nuts described. Each type of cap screw and nut is •... - Page 13 SL20K Self-Steering Axle and Suspension System Installation Manual U-bolt Torque Instructions To re-torque U-bolts: See Table 3 1. Partially tighten bolts #1 and #2 according to figure 11. 2. Partially tighten bolts #3 and #4. Using the same sequence, torque to the proper torque as specified below.
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Page 14: Air Pressure Vs. Load Guide
SL20K Self-Steering Axle and Suspension System Installation Manual 6. Air Pressure vs. Load Guide The following tables describe the proper air pressure settings and run heights for each SL series model number. SL2065 Series Pressure Chart Table 6 Indicates target Ride Height for this tabulation... -
Page 15: Parts List
SL20K Self-Steering Axle and Suspension System Installation Manual 7. Parts List The following section shows the exploded view of the SL2065 series lift axle. This view and corresponding parts list in the following table is intended to help you identify parts and part numbers that may need to be replaced. - Page 16 SL20K Self-Steering Axle and Suspension System Installation Manual ITEM NO. PART NO. DESCRIPTION CHART 1 HANGER ASSEMBLY L.H. CHART 1 HANGER ASSEMBLY R.H. 930274-10 ARM ASSY LH 930274-20 ARM ASSY RH 17832 TORQUE ROD 160131 AXLE ASSEMBLY CHART 2 CROSSMEMBER...
- Page 17 SL20K Self-Steering Axle and Suspension System Installation Manual HPBH20KF BRAKE HARDWARE KIT (INT. BRAKE) HPBH20KF-01 BRAKE HARDWARE KIT (BOLT-ON BRAKE) REF. ONLY HUB ASSEMBLY REF. ONLY BRAKE DRUM REF. ONLY SEAL REF. ONLY INNER BEARING REF. ONLY OUTER BEARING REF. ONLY SPINDLE NUT REF.
- Page 18 SL20K Self-Steering Axle and Suspension System Installation Manual CHART 1 - SL2065 Hanger Configurations Chart...
- Page 19 SL20K Self-Steering Axle and Suspension System Installation Manual CHART 2 - SL2065 Frame Width Chart CHART 3 - SL2065 Side Rail Height Chart CHART 4 - SL2065 Run Height Chart...
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Page 20: Service Kits
SL20K Self-Steering Axle and Suspension System Installation Manual 8. Service Kits Torque Rod Kit SRK2055-1 – Torque Rod Kit. Contains parts for 2 torque rods. PART NO. DESCRIPTION 17010 WASHER FLAT .88X1.5 11457 NUT LOCK .88-14 GRC 17238-5 CAPSCREW .87 X 5.00... - Page 21 SL20K Self-Steering Axle and Suspension System Installation Manual Kingpin Kits SRK107 – (With kingpin) Contains parts for 1 side of axle. PART NO. DESCRIPTION 11448 GREASE FITTING 7X1002 DRAW KEY 143699-0062 NUT - LOCK PIN R-004725 KING PIN BUSHING R-002593...
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Page 22: Quick-Change Ride Height
SL20K Self-Steering Axle and Suspension System Installation Manual 9. Quick-change Ride Height The SL2065 suspension series is equipped with the W&C quick-change ride height system. The lower bag plate spacers are easily removed to change to a different height spacer, which changes the run height range of the suspension. - Page 23 SL20K Self-Steering Axle and Suspension System Installation Manual 10. Preventive Maintenance Daily/Pre-trip Operator Inspection Daily or before each trip, inspect lift axle and all adjacent components for proper operating condition. Identify and repair any loose or damaged components. NOTE Replace any safely decals that are faded, torn, missing, illegible, or otherwise damaged.
- Page 24 SL20K Self-Steering Axle and Suspension System Installation Manual Recommended Maintenance Intervals Note: The following intervals are recommended minimums based on harsh service applications (Logging, oil field, construction, heavy haul, residential refuse). Severe applications will require more aggressive maintenance intervals. INITIAL...
This manual is also suitable for:
Sl-2065
