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a
All manuals and user guides at all-guides.com
DRIVE CHAIN HOUSING
b
SDN4425
SDN4426
4-17
3. Measure:
•
14 link section a of the drive chain
Using a spring scale, pull on the drive chain
with 36 kg (80 lbs) of force b.
Out of specification → Replace the drive
chain.
Maximum 14 link drive chain section
length:
133.35 mm (5.25 in)
Limit 137.35 mm (5.41 in)
NOTE:
•
Measure the length between drive chain pin 1
and E as shown.
•
Perform this measurement at two or three dif-
ferent places.
If replacement is necessary, always replace the
chain and the sprockets as a set.
4. Inspect:
•
Drive chain 1
Stiffness → Clean and lubricate or replace.
•
Drive chain plates 2
Damage/wear → Replace the drive chain.
Cracks → Replace the drive chain.
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