Segway VILLIAN SSV Series Service Manual page 117

CYLINDER HEAD, CYLINDER, PISTON CYLINDER HEAD, CYLINDER, PISTON
Timing direction of sprocket
Tense
E E
G G
F F
◆ Insert the camshaft fixing tool 【D】 into the
camshaft end groove shown in the figure to fix the
intake and exhaust camshafts. If necessary, use an
open-end wrench to turn the camshaft.
◆ According to the method in the first step, confirm
D D
that the top dead center mark has not changed.
◆ Lift the timing chain and snap the sprocket into the
chain. At the same time, the side of the sprocket
marked with "I" and "E" is outside.
◆ Keep the chain tensioned as shown in the figure,
install the sprocket on the camshaft, adjust the
sprocket so that the top surface of the cylinder head
is fl ush with the mark on the sprocket
CAUTION CAUTION
!
The "I" mark on the intake camshaft sprocket is aligned
with the top surface of the cylinder head, and the "E"
mark on the exhaust camshaft sprocket is aligned
with the top surface of the cylinder head. Install the
exhaust camshaft sprocket fi rst (opposite the cam chain
tensioner) to ensure accurate cam timing.
◆ Screw a bolt 【E】 into each sprocket and tighten
it according to the torque. Apply thread tightening
agent to the thread of the bolt 【E】.
◆ Install the camshaft chain tensioner (see Install the
tensioner).
◆ Rotate the crankshaft at an appropriate angle,
insert the bolt 【E】 into the other bolt hole of the
sprocket, and tighten it according to the torque.
Apply thread tightening agent to the thread of the
bolt 【E】.
◆ Installation
【F】 Chain guide plate assembly Ⅱ
【G】 Bolt M6×16
◆ Tightening torque
3-5-20
Bolt M6
9.8 N•m (1.0kgf•m, 87in•lb)
Bolt M6
9.8 N•m (1.0kgf•m, 87in•lb)