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Rev. D
Reelmaster 6500-D/6700-DPage 3 - 6Kubota Diesel Engine
Check Cooling System
Thecoolingsystem isfilled witha50/50 solutionofwater
and permanent ethylene glycol anti-freeze. Check level
of coolant at the beginning of each day before starting
the engine. System capacity is about 10 quarts (9.4 l).
IMPORTANT: Cleandebris offthe screen,oil cooler,
and front of the radiator daily, and more often if
conditions are extremely dusty or dirty (see Engine
Cooling System).
1. Park machine on a level s urface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
CAUTION
If the engine has been running, pressurized hot
coolant can escape and cause burns if the radia-
tor cap is removed.
Allow the engine to cool at least 15 minutes or
until the radiator cap is cool enough to touch
without burning hands.
2. Release hood latch and open hood.
3. Carefully remove radiator cap and expansion tank
cap.
4. Check level of coolant in radiator and in expansion
tank. Radiator should be filled to the top of thefiller neck
and the expansion tank filled to the FULL mark.
5. If coolant level is low, Fillexpansion tank to theFULL
mark and radiator to the top of the filler neck. Do not
overfill.
Note: If air is trapped is system, remove vent plug
from top of radiator side tank, to allow trapped air to es-
cape. Reinstall vent plug using PTFE thread sealant.
6. Install radiator cap and expansion tank cap.
7. Close hood and secure latch.
1
Figure 5
1. Expansion Tank
1
Figure 6
1. Vent Plug