Lesson Notes By Weeks and Term - Senior Secondary 3

Routine maintenance and methods of chassis joints II

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TERM – 1ST TERM

WEEK TWO

Class: Senior Secondary School 3

Age: 17 years

Duration: 40 minutes of 5 periods each

Date:

Subject: AUTO MECHANICAL

Topic: ROUTINE MAINTENANCE AND METHODS OF CHASSIS JOINTS II

SPECIFIC OBJECTIVES: At the end of the lesson, pupils should be able to

I.) Identify the methods for chassis joint

II.) Identify the components connected within a chassis or mechanical system

III.) Outline Maintenance Carried Out on the Chassis

INSTRUCTIONAL TECHNIQUES: Identification, explanation, questions and answers, demonstration, videos from source

INSTRUCTIONAL MATERIALS: Videos, loud speaker, textbook, pictures,

INSTRUCTIONAL PROCEDURES

PERIOD 1-2

PRESENTATION

TEACHER’S ACTIVITY

STUDENT’S

ACTIVITY

STEP 1

INTRODUCTION

The teacher discusses some of the methods of chassis joint and the components connected within a chassis or mechanical system

Students listens attentively to the teacher                                                                          

STEP 2

EXPLANATION

Teacher explain the maintenance carried out on the chassis

Students exhibit attentiveness and active engagement

STEP 3

NOTE TAKING

The teacher writes a summarized

note on the board

The students

copy the note in

their books

 

NOTE

ROUTINE MAINTENANCE AND METHODS OF CHASSIS JOINTS II

Methods of Chassis Joints

  1. Welded Joints: Metal components of the chassis are welded together to form a rigid structure. This method provides strength and durability.
  2. Bolted Joints: Components are fastened together using bolts and nuts. Bolted joints allow for easier disassembly and replacement of parts.
  3. Press-Fit Joints: Components are pressed or fitted together with precision, often using specialized tools or machinery. This method ensures a tight and secure fit.

Components connected within a chassis or mechanical system

  1. Maintenance and Twisting Coupling: This describes a method of connecting components that allows for easy disassembly and reassembly, typically for maintenance or adjustment purposes. It's more of a concept rather than a specific type of joint.
  2. Permanent Joint: This refers to a type of connection that is intended to be assembled once and remain in place permanently. Welding, brazing, or gluing are common methods for creating permanent joints.
  3. Temporary Joints: These are connections that are designed to be assembled and disassembled multiple times, as needed for maintenance, repair, or adjustment. Temporary joints often utilize fasteners like bolts, screws, or clips.

Routine Maintenance Carried Out on the Chassis

  1. Inspection: Regularly inspect chassis components for signs of wear, damage, or corrosion.
  2. Lubrication: Grease chassis joints to prevent friction and wear.
  3. Alignment: Periodically check and adjust wheel alignment to ensure proper handling and tire wear.
  4. Brake Inspection: Check brake components such as calipers, pads, and rotors for wear and proper functioning.
  5. Suspension Inspection: Inspect suspension components for wear, leaks, or damage, and replace as needed.
  6. Frame Inspection: Check for cracks, bends, or other structural damage to the chassis frame.
  7. Fluid Checks: Monitor fluid levels such as oil, coolant, and brake fluid to ensure proper functioning of associated systems.

EVALUATION: 1. Identify the 3 methods of chassis joint

  1. Identify the components connected within a chassis or mechanical system
  2. Discuss the routine Maintenance Carried Out on the Chassis

CLASSWORK: As in evaluation

CONCLUSION: The teacher commends the students positively