POWR
TR
4-7
PRIMARY SHEAVE AND DRIVE V-BELT
T
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T
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SDN4190
SDN4200
SDN4210
• Tighten the spider to specification using the
bar wrench 3.
Spider:
200 Nm (20 m • kg, 145 ft • lb)
CAUTION:
The spider has a left-handed thread.
WARNING
• Do not operate the primary sheave until the
LOCTITE
®
has dried completely. Wait 24 hours
before operating the primary sheave.
• Since a high torque is required to tighten the
spider, make sure the spider, fixed sheave, and
special tool are well secured. Tighten the spi-
der carefully to prevent cracks and damage to
the sheaves and spider.
5. Install:
• Weight
Nut 1:
6 Nm (0.6 m • kg, 4.3 ft • lb)
NOTE:
To maintain the primary sheave balance, the
bolts 2 must be installed with their threaded
portions pointing in a counterclockwise direction,
as illustrated.
6. Install:
• Primary sheave spring 1
• Primary sheave cap 2
NOTE:
Be sure the sheave cap match mark (X) is aligned
with the spider match mark (X).
Primary sheave cap bolt:
14 Nm (1.4 m • kg, 10 ft • lb)