Group 170
Every:
190,000 km (120,000 miles)
Detroit Diesel: Engine Valve Clear-
ance and Injector Height
Check valve clearance and injector height. Adjust each
as necessary. For specific information refer to Detroit
Diesel Service Manual.
Cummins: Overhead Set Adjust-
ment
Check valve clearance and injector adjustment. Adjust
each as necessary. For specific information refer to
Cummins Service Manual.
Every:
240,000 km (150,000 miles)
Steering System Fluid Change
Change steering system hydraulic fluid every 240,000
km (150,000 miles). Use Dexron
®
II or Dexron
®
IIl.
If the fluid is very dark in color, there may have been
heat problems in the system. Note on the inspection
form for follow-up.
Every:
385,000 km (240,000 miles)
Cab Fresh Air Filter Change
Change cab fresh air filter at 385,000 km (240,000
miles). If the vehicle is driven in dusty conditions, the fil-
ter may have to be changed more often.
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