POWER TRAIN 16000 SERVICE/MAINTENANCE MANUAL
7-14
Published 05-09-17, Control # 014-28
Maintenance
Daily Maintenance (Start of Each Shift)
Check coolant level when cold (see Figure 7-11):
1. Coolant should be at full level of cold gauge.
2. Fill cooling system as required with coolant. To ensure
adequate fill, do not add coolant at a rate greater than
3 gallons/minute (11.3 liters/minute).
See engine manufacturer’s manual for antifreeze and
coolant additive recommendations.
3. Look for coolant leaks while engine is running; correct if
found.
Semiannual Checks
1. Inspect fill cap and thermostat for proper operation and
replace worn parts:
- Fill cap relieves at 15 psi (1,03 bar).
- Thermostat closes at 180° F (82° C) and opens fully
at 200° F (93° C).
2. Inspect water pump belts for wear and proper
adjustment (see engine manufacturer’s manual).
3. Inspect cooling system hoses for deterioration and other
defects. Replace as necessary.
4. Tighten hose clamps.
5. Clean all dirt and other debris from outside of radiator.
6. Check that overflow line on tank is open.
Draining Radiator
Drain radiator system, as follows:
1. Stop engine.
2. Open one bleed valve located on top coolant tube and
four bleed screws, two located on the bracket between
the two cooling fin, one on each side, and one on each
outer corner of the large cooling fin (see Figure 7-12
and
Figure 7-13
).
3. Remove the deaeration tank fill cap (Figure 7-12
).
WARNING
Burn Hazard!
Avoid personal injury from heated coolant spray or steam
— do not remove radiator cap from hot engine. Stop
engine and wait until coolant temperature is below 120° F
(50° C). Then:
• Place a protective covering over fill cap.
• Slowly turn fill cap counterclockwise until it stops at
safety detent.
• Wait until pressure (indicated by hissing sound) is
completely relieved.
• Depress fill cap and turn counterclockwise to remove.
CAUTION
Overheating Hazard!
Avoid engine damage from overheating — do not allow
coolant level to go below low level on gauge.
FIGURE 7-11
Deaeration
Tank
Cooler Sight
Glass (Full)
Cooler Sight
Glass (Low)
IMG7667
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