Maintenance BPU 2440/2950 Repair
wc_tx000328gb.fm 26
4.8 Drive Belt
See graphic: wc_gr00143
Recommended tools:
Allen wrench—6 mm, Socket wrench—13 mm
See Maintenance Schedule for service intervals. On new machines or
after installing a new belt, check the belt tension after the first 5 hours
of operation.
Adjust belt for 1/4"–3/8" (5–10 mm) deflection when pressed midway
between the belt pulleys (x).
To tighten the belt, reduce the quantity of spacers (y) between the
pulley halves (z); to loosen, add spacers.
4.8.1 Remove belt cover.
4.8.2 Remove the four hex nuts holding the pulley halves together.
4.8.3 Remove the outer pulley half and remove spacers as required to
tighten the belt. Normally, removing one spacer is sufficient. When
installing a new belt, remove or add spacers as required to obtain
correct belt tension.
Note:
Place used spacers in equal quantities on either side of the
pulley to maintain belt alignment. If spacers cannot be placed equally,
place odd spacer to the outside of pulley.
4.8.4 Secure pulley halves together with hex nuts and recheck belt tension.
Replace belt cover.
x
y
z
w
wc_gr001433
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