Detroit Diesel 4000 Series, Service Manual, Page: 1529 / 2706

SERIES 4000 12/16V SERVICE MANUAL
[b] Sodium bicarbonate
NOTE:
Concentration maximum 4 %; Temperature maximum. 80
C.
NOTE:
After chemical cleaning, flush cooling plates with water and dry with a cloth.
See Figure 910.
Figure 910 Chemical Cleaning
2. To clean encrustation-scale and sediment (calcium bicarbonate, calcium sulphate,
corrosion products and metallic oxides) use:
[a] Nitric acid
[b] Citric acid
[c] Phosphoric acid
[d] Sodium polyphosphate
NOTE:
Remove scale with a descaling product.
NOTE:
After chemical cleaning, flush cooling plates with water and dry with a cloth.
See Figure 910.
3. To clean carbon-hydrogen deposits use a solution with:
3
Parafin basis
All information subject to change without notice.
Copyright © DETROIT DIESEL CORPORATION
C -1383