Subaru Impreza 2002 Service Manual page 188

B: INSTALLATION
1. AUTOMATIC BELT TENSION ADJUST-
ER ASSEMBLY AND BELT IDLER
1) Preparation for installation of automatic belt ten-
sion adjuster assembly:
CAUTION:
• Always use a vertical type pressing tool to
move the adjuster rod down.
• Do not use a lateral type vise.
• Push the adjuster rod vertically.
• Be sure to slowly move the adjuster rod down
applying a pressure of 294 N (30 kgf, 66 lb).
• Press-in the push adjuster rod gradually tak-
ing more than three minutes.
• Do not allow press pressure to exceed 9,807
N (1,000 kgf, 2,205 lb).
• Press the adjuster rod as far as the end sur-
face of the cylinder. Do not press the adjuster
rod into the cylinder. Doing so may damage the
cylinder.
• Do not release press pressure until stopper
pin is completely inserted.
(1) Attach the automatic belt tension adjuster
assembly to the vertical pressing tool.
(2) Slowly move the adjuster rod down with a
pressure of 294 N (30 kgf, 66 lb) until the adjust-
er rod is aligned with the stopper pin hole in the
cylinder.
(3) With a 2 mm (0.08 in) dia. stopper pin or a 2
mm (0.08 in) (nominal) dia. hex bar wrench in-
serted into the stopper pin hole in the cylinder,
secure the adjuster rod.
TIMING BELT ASSEMBLY
2) Install the automatic belt tension adjuster as-
sembly.
Tightening torque:
3) Install the belt idler No. 2.
Tightening torque:
4) Install the belt idler.
Tightening torque:
H2M2382
H2M2383
ME(STi)-49
25 N·m (2.5 kgf-m, 18.1 ft-lb)
39 N·m (4.0 kgf-m, 28.9 ft-lb)
39 N·m (4.0 kgf-m, 28.9 ft-lb)
MECHANICAL
S2M0416
S2M0411
S2M0410