Service Manual

Engine Testing (Chassis Dynamometer) ISB, ISBe and QSB (Common Rail [...]
Page 14-4 Section 14 - Engine Testing - Group 14
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While operating the chassis dynamometer, follow the
general safety precautions listed below:
• Use tires that have more than 160 km [100 mi] of use.
Do not use new tires.
• Do not use recapped tires or tires of different sizes or
designs.
• Make sure the tires are inflated to the manufacturer's
specifications.
• Remove all rocks or other materials from the treads of
the tires that will be rotating on the dynamometer
rollers.
• Make sure there is correct overhead clearance for
exhaust stacks, air deflectors, or other attachments
above the cab.
CAUTION
To prevent damage to the chassis dynamometer,
make sure there is enough slack in the tie-down
chains.
Carefully position the vehicle on the rollers.
Attach the tie-down chains to the rear of the vehicle.
Place wheel chocks in front of the front tires.