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ENGINE <4G6> -
Timing Belt B
11A-31
INSTALLATION SERVICE POINTS
"
A
A
TIMING BELT B INSTALLATION, ADJUSTMENT
1. Install timing belt “B” by the following procedure.
(1) Ensure that crankshaft sprocket “B” timing mark and
the counterbalance shaft sprocket timing mark are
aligned.
(2) Fit timing belt “B” over crankshaft sprocket “B” and
the counterbalance shaft sprocket. Ensure that there
is no slack in the belt.
2. Adjust the tension of timing belt “B” by the following
procedure.
(1) Temporarily fix the timing belt “B” tensioner such that
the centre of the tensioner pulley is to the left and
above the centre of the installation bolt, and
temporarily attach the tensioner pulley so that the
flange is toward the front of the engine.
(2) Holding the timing belt “B” tensioner up with your
finger in the direction of the arrow, place pressure
on the timing belt so that the tension side of the
belt is taut. Now tighten the bolt to fix the tensioner.
Caution
When tightening the bolt, ensure that the tensioner
pulley shaft does not rotate with the bolt. Allowing
it to rotate with the bolt can cause excessive
tension on the belt.
3. To ensure that the tension is correct, depress the belt
(point A) with a finger. If not, adjust.
Standard value: 5 - 7 mm
"
B
A
FLANGE INSTALLATION
When installing, make sure the direction is correct. See figure.
Counterbalance shaft sprocket
Belt tension side
Timing marks
Timing
marks
Crankshaft
sprocket B
Centre of
tensioner
pulley
Centre of installation
bolt
Shaft
Centre of
tensioner
pulley
Centre of
installation
bolt
A
Crankshaft
Crankshaft
sprocket “B”
Crankshaft
sprocket
Flange