PART 4: CONTROLS AND DISPLAYS
GAUGES
(R05/10)
Y53-6032
– 65 –
• If your oil pressure suddenly drops while you are driv-
ing, bring the vehicle to a stop as soon as possible in
a safe location off the road and turn off the engine.
Wait a few minutes to allow oil to drain into the oil pan,
and then check the oil level. Add oil if necessary. If the
problem persists, contact an authorized service cen-
ter.
Water Temperature Gauge
The water temperature gauge shows the temperature of
the engine coolant. Under normal operating conditions the
water temperature gauge should register between 165°
and 205°F (74° and 90°C). Under certain conditions,
somewhat higher temperatures may be acceptable. But
the maximum allowable temperature is 210°F (99°C) with
the cooling system pressurized, except for certain special
engines. Check your engine manual to be sure.
Engine Overheating
WARNING! Do not remove the radiator fill cap
while the engine is hot. Scalding steam and
fluid under pressure may escape and cause
death or personal injuries.
• Wait until the coolant temperature is below
122°F (50°C).
• Protect face, hands, and arms by covering
the cap with a large, thick rag to protect
against escaping fluid and steam.
• Carefully and slowly turn the cap one-quar-
ter of a turn or until it reaches the first stop
(allowing excess pressure to escape) push
down and turn for final removal.
Wait until the coolant temperature is below 122° F (50° C).
Protect your face, hands, and arms by covering the cap
with a large, thick rag to protect you against escaping fluid
and steam. Before you completely remove the cap, care-
fully and slowly turn the cap part way to allow excess
Y53-6032.book Page 65 Monday, May 24, 2010 3:37 PM
Содержание Peterbilt 587
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