Detroit Diesel MBE 4000 Service Manual page 354

4.1 COOLING SYSTEM
www.rtrucks.ru
To avoid injury from flying debris when using compressed
air, wear adequate eye protection (face shield or safety
goggles) and do not exceed 40 psi (276 kPa) air pressure.
4. Flush the radiator.
[a] Attach a flushing gun nozzle to the radiator outlet.
[b] Run water in until the radiator is full.
[c] Apply no more than 140 kPa (20 psi) air pressure intermittently to help dislodge
sediment buildup in the core.
When flushing the radiator, do not apply more than 20 psi
(140 kPa) air pressure. Excessive pressure can damage the
radiator or heater core.
5. Drain the radiator, and flush the radiator until clean water flows from the radiator.
Remove the flushing gun.
6. When the coolant has drained, install the coolant drain plug on the bottom of the radiator.
7. Add coolant in the specified concentration. Listed in Table 4-1 is the cooling system
capacity. Listed in Table 4-2 is the coolant mixing ratio.
Antifreeze Protection Down
to F ( C)
-34 (-37)
-49 (-45)
Table 4-2 Coolant Mixing Ratio
[a] Tighten the coolant drain plug 30 N·m (22 ft·lb).
[b] Add coolant up to the maximum fill level on the surge tank.
8. Check the coolant level and check the cooling system for leaks.
4-6
www.rtrucks.ru
www.rtrucks.ru
EYE INJURY
NOTICE:
Water Percentage by Volume
50
40
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
www.rtrucks.ru
Corrosion-Inhibiting Antifreeze
Percentage by Volume
50
Maximum 60
All information subject to change without notice.
www.rtrucks.ru
www.rtrucks.ru