(a) Identify the parts labelled J, K, L, M and N.
(b) State the purpose of the following:
(i) swinging shackles;
(ii) centre bolt.
(c) State three advantages of an independent suspension over the rigid type.
Most of the candidates who attempted this question could not provide the required response to the various parts of the question. The required responses to various parts of the questions are:
(a) J – Master leaf or main leaf.
K – U – bolt.
L – Spring eye or eye.
M – Axle.
N – Spring clip or clip.
(bi) Swinging shackle allow a variation in the spring length.
(bii) Centre bolt is used to fasten the leaves together.
(c) The advantages of independent suspension as compared with the rigid type are:
- the deflection of one wheel does not affect the other;
- more comfortable ride;
- better steering ability;
- better road holding;
- reduced unsprung weight resulting in reduced tyre wear;
- engine can be mounted nearer the front of the vehicle.