Subaru Impreza 2003 Service Manual page 1036

MECHANICAL
B: INSTALLATION
1. AUTOMATIC BELT TENSION ADJUST-
ER ASSEMBLY AND BELT IDLER
1) Preparation for installation of automatic belt ten-
sion adjuster assembly:
NOTE:
• 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 ap-
plying a pressure of 294 N (30 kgf, 66 lb).
• Press-in the push adjuster rod gradually taking
more than 3 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 surface
of cylinder. Do not press the adjuster rod into the
cylinder. Doing so may damage the cylinder.
• Do not release the 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:
ME-00077
ME-00078
ME(H4DOTC)-62
39 N·m (4.0 kgf-m, 28.9 ft-lb)
39 N·m (4.0 kgf-m, 28.9 ft-lb)
39 N·m (4.0 kgf-m, 28.9 ft-lb)
ME-00079
ME-00075
ME-00080