Helical drive gear LOW speed Gives a low speed reduction drive. – Gear shift collar Engages between the high and low speeds. – Pinion bearings Supports the hypoid pinion gear. – Carrier bearings Supports the high and low speed gear assembly as well as the hypoid drive – gear assembly. Question 1.4: Explain the method of reconditioning reduction type differentials. Answer: When working on these types of differentials it must be remembered that they are very heavy components and care must be taken not to injure one self. Proper lifting equipment and safety regulations must be adhered to. It is also advisable to have all the tools and specified special tools ready before work is started. The work area must be clean and free of obstacles that could create an unsafe situation. To begin the diagnoses gather as much information as possible. Ask questions such as: When does the occur? Noise only when going around a corner? On acceleration only? Road test the vehicle. After the proper diagnoses has been done one can then proceed with the repairs. Remember to follow the correct sequence when performing this job! Activity Answer 2 NCV Level 4 Automotive Repair and Maintenance Lecturer Upgrade Programme 4: Double reduction drives
Helical drive gear LOW speed – Gives a low speed reduction drive. Gear shift collar – Engages between the high and low speeds. Pinion bearings – Supports the hypoid pinion gear. Carrier bearings – Supports the high and low speed gear assembly as well as the hypoid drive gear assembly. Question 1.4: Explain the method of reconditioning reduction type differentials. Answer: When working on these types of differentials it must be remembered that they are very heavy components and care must be taken not to injure one self. Proper lifting equipment and safety regulations must be adhered to. It is also advisable to have all the tools and specified special tools ready before work is started. The work area must be clean and free of obstacles that could create an unsafe situation. To begin the diagnoses gather as much information as possible. Ask questions such as: When does the occur? Noise only when going around a corner? On acceleration only? Road test the vehicle. After the proper diagnoses has been done one can then proceed with the repairs. Remember to follow the correct sequence when performing this job! Activity Answer 2 NCV Level 4 Automotive Repair and Maintenance Lecturer Upgrade Programme 4: Double reduction drives