CITROEN SM - Engine Assembly: Crankshaft and Sump; Crankshaft and Bearing Shells; Sump Gasket and Tightening

SM VEHICLES
OVERHAULING AN ENGINE S 100-3 11
ASSEMBLY Contd.
PARTICULAR POINTS ON DISMANTLING AND ASSEMBLY
Contd.
FITTING THE ENGINE HARNESS
- Offer up the crankshaft. Hold it above the bearings (plates F of set 3064“ T in order to avoid damaging the half
bearings whose interior diamater, in a free state, is smaller than the diameter of the crankshaft pin).
- Fit the piston/con rod assemblies (normal ring fitting collar) in the order 1-6,2-5, 3-4 tighten to 68 mAN
(6.8 m.kg 49 ft/lbs) socket 14 + reducer 3/8 "
' Withdraw the plates and lower the crankshaft onto its bearings.
- F it the bearing ha If she I Is (without tongue) : clearance 0.1 5-0.22 mm : the oi I reserves should be on the crankshaft
s ide.
23 FITTING THE SUMP
- Fit the half-bearings : the half shells (tongued), stuck together with grease.
- Coat the surface of the gasket with CURTYLON
- Fit the sump ha If and tighten the nuts A of the bearing to 95 - 97 mAN (9.5-9-7 m.kg, 68'69 ft/ I bs).
Observe the tightening sequence.
-Tighten the bolts (B) to 15-20 mAN (1 .5-2 m.kg. 1 0.8-1 4.4 ft/ lbs).