SG1400/1600C4F STUDIO GENERATOR • OPERATION MANUAL — REV. #0 (07/22/20) — PAGE 49
1. Remove the radiator pressure cap (Figure 54) only if
the coolant temperature is below 120°F (50°C).
Figure 54. Radiator Pressure Cap Removal
2. Remove the coolant drain plug located at the base of
the skid as shown in Figure 55 and allow the coolant
to drain into a suitable container.
Figure 55. Draining Engine Coolant
WARNING
DO NOT
remove the pressure cap from the radiator
when the engine is hot! Wait until the coolant
temperature is below 120°F (50°C) before removing
pressure cap.
Heated coolant spray or steam can cause severe
scalding and personal injury.
°F
WATER TEMP
100
140
180
220
260
°F
WATER TEMP
100
140
180
220
260
CORRECT
PRESSURE
CAP
MAINTENANCE
3. After engine coolant has been completely drained,
reinstall drain plug and tighten securely.
FLUSHING RADIATOR
1. Remove radiator cap.
2. Open coolant drain plug located at the base of the skid
and drain coolant into a suitable container.
3. If equipped, remove the overflow tank. Drain and clean
overflow tank.
4. Replace the overflow tank if necessary.
5. Check hoses for softening and kinks. Check clamps
for signs of leakage.
6. Flush the radiator by running clean tap water through
radiator until signs of rust and dirt are removed.
DO
NOT
clean radiator core with any objects, such as a
screwdriver.
7. Replace with coolant as recommended by the engine
manufacturer.
8. Reinstall drain plug and tighten securely. Tighten drain
cock and close radiator cap tightly.
9. Reinstall radiator cap.
WARNING
Allow engine to
cool
when flushing out
radiator. Flushing the radiator while hot
could cause serious burns from water
or steam.
