volvo — page 40

Engine body Fitting and adjustment Q WARNING! I f the crankshaft and camshaft are turned without being synchronised with each other the valves can go against the pistons and be damaged. Note: The gears in the timing gears which are of import- ance for adjustment are marked as follows: 319 Crankshaft gear - the intermediate gear is marked with a punch mark and the intermediate gear - camshaft gear with a circle opposite the tooth and tooth gap (Fig. 61). Fig. 62. Intermediate gear complete with oil pump 1. Circlip 7. Spring 2. Spring washer 8. I ntermediate gear 3. Spring complete with outer 4. Shims rotor 5. Cover to oil pump 9. Thrust washer 6. I nner rotor 1.

Put the key in position in the crankshaft and fit the crankshaft gear. 2. Fit the camshaft complete with regulator weights. Carry out work steps to item 4 under the heading "Fitting of camshaft" on page 45. 4. Grease in the oil pump's inner rotor (6, Fig 62) and housing (outer rotor, 8). Fit the inner rotor and cover to the oil pump. Fit the shims, spring, spring washer and lock washer as per Fig. 62. 2 Fig. 61. Timing gears, basic setting 1. Crankshaft gear 3. Camshaft gear 2. I ntermediate gear Fig. 63. Checking of oil pump's axial clearance 5. Adjust the oil pump's axial clearance to 0.10-0.15 mm (.0039-.0059 in).

Shims are available in sizes 0.10; 0.15; 0.20 and 0.50 mm (.0039, .0059, .0078 and.0196 in) 3. Fit the thrust washer (9, Fig. 62) on the intermedi- ate gear's shaft journal. Fit the intermediate gear as per the markings (Fig. 61). 6. Check the crankshaft seal in the timing gear cas- NOTE! Do not turn the crankshaft before the ti ming gear casing is fitted. i ng, and replace if necessary. See under heading "Replacement of front crankshaft seal" on page 40. 42