Installing Camshafts; Installing Timing Chain - BMW k 1200 rs Repair Manual

Installing camshafts

1100
L
Note:
Note correct identification marks of camshafts.
Identification marks, camshafts
Inlet ........................ one groove after thrust bearing
Exhaust .................... no groove after thrust bearing
Identification marks, camshaft bearing caps
Inlet side .......................................uneven numbers
Exhaust side..................................... even numbers
The numbers increase from the front (timing end) to
the rear.
e
Important:
Set the piston to the centre of the cylinder
(cylinder 1 approx. 90° before top dead centre), to
avoid damage to the valves and piston.
•
Oil the camshafts at their bearing journals.
•
Insert the camshafts so that the tops of the cams
are exposed.
•
Install the inner bearing caps first.
•
Tighten the bearing caps uniformly, working from
the inside outwards.
•
Install the thrust bearing (timing end) with slide
rail last and do not tighten it until the chain
sprockets have been installed.
•
Tighten the bearing caps uniformly, working from
the inside outwards.
X
Tightening torque:
Bearing cap.................................................. 10 Nm

Installing timing chain

•
Turn the camshafts until the grooves at the tim-
ing end (arrows) point toward the crankshaft.
11.44
•
Place aligning device, BMW No. 11 3 700 in po-
sition and secure it to the camshaft bearing
caps.
•
Turn the crankshaft another 90° in the normal di-
rection of rotation. The piston of cylinder 1 must
now be at top dead centre. The pin (1) on the
crankshaft is aligned with the mark (arrow) on the
crankcase.
2
KL110100
•
Place the timing chain in guide rail (2).
•
Insert bushing (arrow) between slots of guide rail.
11 3 700
KL110120
1
KL110110
KR110800