Audience:
Targeted towards owners, mechanics, and restoration specialists of AJS AMC vehicles.
Niche:
Specialist information for vintage or classic vehicles.
Scarcity Of Information:
Specialized service sheets like this are valuable due to the decreasing availability of original factory documentation for older vehicles.
Value Proposition:
Provides critical, specific procedural data often missing in general manuals, ensuring correct maintenance of a key wear item.
Specificity:
Focuses on a single, important maintenance task with precise instructions.
Practicality:
Essential for maintaining vehicle safety and preventing costly damage from incorrectly adjusted wheel bearings.
Primary Focus:
Wheel Bearing Adjustment
Secondary Focus:
Front Wheel Bearings, Rear Wheel Bearings
Vehicle Systems Related:
Braking System, Suspension System, Steering System
Model Year Applicability:
This service sheet is likely applicable to a broad range of AJS AMC models that share similar front or rear axle/hub designs, typically from the 1950s and 1960s.
Estimated Pages:
Likely 1-4 pages (typical for a service sheet)
Type:
Service Data Sheet, Technical Bulletin, Workshop Data
Primary Language:
English
Physical Format:
Printed Sheet
Digital Format Possibility:
Likely available as a scanned PDF
Wheel Bearing Adjustment:
Detailed procedure for adjusting wheel bearings
Wheel Hub Assembly:
Involves disassembly and reassembly of wheel hub components
Bearing Pre Load:
Specification and method for setting correct bearing pre-load
Diagnosis:
Symptoms of improper wheel bearing adjustment (play, noise)
Disassembly:
Steps for removing brake drums/rotors and related components
Inspection:
Inspection of wheel bearings and races for wear or damage
Cleaning:
Proper cleaning of bearing surfaces and hubs
Lubrication:
Greasing specifications and application methods for wheel bearings
Assembly:
Reassembly of hub components
Adjustment Process:
Step-by-step instructions for tightening and backing off adjustment nuts/collars
Final Tightening:
Torque specifications or feel for final bearing adjustment
Reinstallation:
Reinstallation of brake components and wheels
Tooling Requirements:
Implicitly requires standard automotive tools, including wrenches, sockets, possibly a torque wrench, and bearing pullers/presses if bearings need replacement.
Detail Level:
Specific torque values or adjustment procedures, crucial for preventing premature bearing failure and ensuring safe operation.
Practical Application:
Highly practical for mechanics and enthusiasts working on AJS AMC vehicles.
Specialized Knowledge:
This sheet requires a basic understanding of automotive mechanics and the ability to safely lift and support a vehicle.
Diagrams Illustrations:
Likely includes clear diagrams illustrating the adjustment mechanism (e.g., split nut, lock washer, castle nut).
Digital Format:
PDF (common for scanned documents)
Searchability:
Dependent on OCR quality if scanned
Digital Quality:
Scanned document quality may vary, potentially impacting clarity of diagrams.
Original Print:
Likely black and white, potentially with diagrams or illustrations
Original Binding:
Not applicable (single or few sheets)
Original Paper:
Standard workshop paper
Engine Family:
AJS AMC utilized various engines, commonly J.A.P. or AMC proprietary designs, often with overhead valves or side valves depending on the era.
Displacement Range:
Typically ranging from 1.2L to 3.0L, depending on the specific model (e.g., AMC 300, 350, 420 engines).
Engine Type:
Inline-4, Inline-6, or V-twin (depending on specific AMC model and era)
Horsepower Range:
Approximately 40-80 BHP, dependent on engine variant.
Carburetion:
Typically single or twin downdraft or sidedraft carburetors (e.g., Zenith, Solex, SU)
Body Styles:
Sedan, Saloon, Coupe, Estate, Van, Commercial Variants depending on AMC model.
Curb Weight:
Highly variable depending on model, typically 900 kg - 1500 kg.
Wheel Bearing Check:
Regular checks recommended at least annually or every 10,000 miles (16,000 km), with adjustment often part of brake servicing.
Wheel Bearing Grease:
High-temperature, general-purpose automotive wheel bearing grease (e.g., Lithium Complex Grease NLGI #2) is typically specified. Consult the specific vehicle's full workshop manual for exact grade.
Grease Type Details:
Look for greases with good water resistance and high-temperature stability, often EP (Extreme Pressure) additives.
Bearing Wear:
Premature wear due to improper adjustment (too tight or too loose), insufficient lubrication, or contamination.
Adjustment Challenges:
Achieving the correct pre-load can be difficult without precise instruction, leading to either binding or excessive play.
Wheel Bearings:
Quality replacement bearings are essential. Common suppliers for vintage British cars include Timken, SKF, or specific automotive parts specialists.
Manufacturer:
Associated with Associated Engineering Group (AE), encompassing brands like AJS, Matchless, and AMC (Associated Motor Cycles).
Production Period:
AJS AMC vehicles were produced across various periods, with significant production from the 1930s through the 1960s, depending on the specific AMC vehicle range (e.g., AMC Rambler variants if referring to US AMC).
A M C Motors Ltd:
AMC Motors Ltd. was a significant British manufacturer of motorcycles and later automobiles, absorbing various marques.
Manufacturing Locations:
Primarily United Kingdom.
