
MAINTENANCE
SECTION 5
Page 82 CMD-4081850 / 90-860094030 SEPTEMBER 2003
0071.2
Engine Coolant - Closed Cooled Models Only
CD166 / CD918
Checking
CAUTION
Allow the engine to cool down before removing the pressure cap. A sudden loss of
pressure could cause hot coolant to boil and discharge violently. After the engine
has cooled, turn the cap 1/4 turn to allow any pressure to escape slowly, then push
down and turn the cap all the way off.
1. Remove the pressure cap from the heat exchanger and observe the coolant level.
75301
a
Typical
a-Pressure cap
2. The coolant level in the heat exchanger should be at the bottom of the filler neck. If
coolant is low refer to Filling.
IMPORTANT: When installing the pressure cap, be sure to tighten until it contacts
locking tabs on the filler neck.
3. Install the pressure cap. Tighten until it contacts locking tabs on the filler neck.
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