Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...
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PART 4: CONTROLS AND DISPLAYS<br />
• If your oil pressure fails to rise within 10 seconds <strong>after</strong><br />
your engine starts, stop the engine and determine the<br />
cause.<br />
• If your oil pressure suddenly drops while you are driving,bringthevehicletoastopassoonaspossibleina<br />
safe location off the road and turn off the engine. Wait<br />
a few minutes to allow oil to drain into the oil pan, and<br />
then check the oil level. Add oil if necessary. If the<br />
problem persists, contact an authorized service center.<br />
Check the engine manufacturer’s manual for the correct oil<br />
pressure ranges for your engine.<br />
Water Temperature Gauge<br />
Water Temperature Gauge<br />
11242A<br />
The water temperature gauge shows the temperature of<br />
the engine coolant. Under normal operating conditions the<br />
water temperature gauge should register between 165° -<br />
205° F (74° and 90° C), depending on the engine. Under<br />
certain conditions, somewhat higher temperatures may<br />
be acceptable. But the maximum allowable temperature is<br />
225° F (1<strong>07</strong>° C) with the cooling system pressurized, ex-<br />
R(08/<strong>07</strong>) Y53-6015 – 49 –
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