MAINTENANCE CD15 OPERATOR MANUAL
6-12 Published 3-30-2018, CTRL 636-05
Check Engine Coolant Level
NEVER remove the radiator cap while the cooling system is
hot. Check coolant level only when the coolant temperature
is below 120° F (50° C). The system is under pressure and
the coolant can cause severe burns or eye injury. Wear
protective clothing and safety glasses. Always turn the cap
slowly to the first stop and allow the pressure to escape
before removing the cap completely.
1. Level the crane, engage the parking brake and stop the
engine.
2. Check that the surge tank (Figure 6-9) is at least half full.
If coolant is low, fill the surge tank half way with a 50/50
mixture of glycol antifreeze and water. Do not add only
water as this could cause rust to form in the radiator and
engine.
3. If the surge tank is empty, BE SURE THE ENGINE IS
COOL to below 120° F (50° C), then slowly loosen the
surge tank cap to the first stop. Allow all pressure to
release. Remove the cap and check the fluid level.
Coolant should be visible in the surge tank.
4. If level is low, add a 50/50 mixture of glycol antifreeze
and water, do not add only water as this could cause rust
to form in the radiator and engine.
NOTE: For more details on proper cooling system
checking and maintenance procedures, see the
engine manual furnished with the crane.
Drain Water from Engine Fuel Filter
1. Engage the parking brake and stop the engine.
2. See the engine manual furnished with the crane and
follow the water draining instructions from the fuel/water
separator (Figure 6-10).
8936
Transmission Oil Level
Dipstick
FIGURE 6-8
Engine Oil Level
Dipstick
WARNING
HOT COOLANT
can scald.
1100259
Check and service
cooling system
only when cool.
8962
Surge Tank
FIGURE 6-9
Level Gauge
Fill Cap
FIGURE 6-10
Fuel/Water
Separator
8963
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