01.8 Removal and Installation of Engine 352/352 A 22 Detach engine breather filter. Note: Renew engine breather filter without the code marking "E" every two years. A damaged engine breat- her filter must always be renewed immediately. 23 Drain engine oil as required. 24 Lift out engine using special tool No. 19. 25 Clean all parts, check and replace if necessary. Installation Note: Engine installation is similar for both engine models No. 353.959 and 353.961. 1 Slide engine into position using special tool No. 19. 2 Fit cover and fastening bolt to front engine mount and tighten boil. Tightening torques, see 1.4/1. 2.1/6