Product Manual
Maintenance
42 Owner’s Manual for Stationary Generators
Drain/Flush Coolant System
1. Disconnect and empty coolant overflow reservoir.
2. Install and co
nnect coolant overflow reservoir.
(000139)
WARNING
Risk of burns. Allow engine to cool before
draining oil or coolant. Failure to do so could
result in death or serious injury.
3. Rotate and remove plastic cover at top of
enclosure.
4. Slowly unscrew
radiator cap.
5. Locate drain c
ock at bottom left side of radiator.
NOTE: If unit is not equipped with drain hose, install
suitable length of
rubber hose to drain cock.
6. Rotate hex
fitting to open drain cock (A). See
Figure 5-13
7. Remove coolant drain hose fro
m holding clamp.
8. Use wrench to hold hex on hose fitting (to prevent
ro
tation), and use second wrench to remove drain
plug.
9. Drain coolant into a suitable container.
10
. Install plug at end of drain hose.
11
. Install drain hose in holding clamp.
12
. Rotate hex fitt
ing to close radiator drain cock.
13. Obtain the recommended quantity and type of
cool
ant. See Coolant Water Treatment.
System Coolant Capacity
Model 22/27 kW 25/30 kW 32/38 kW 36/45 kW 48 kW 60 kW
Engine 2.4L 1.5L 2.4L 2.4L 5.4L 2.4L
2.0 gallons (7.6 liters)
•
2.5 gallons (9.5 liters)
• • • •
3.0 gallons (11.4 liters)
•
14. Insert funnel into filler neck of radiator (B). See
Drain/Fill Coolant System.
15. Slowly pour
coolant into filler neck until radiator is
full.
16. Install radiato
r cap.
17. Press MANUAL on the control panel to start the
engine.
A blue LED illuminates to confirm that the
system is in the MANUAL mode.
18. Allow engine to run until the thermostat opens, as
ind
icated by heating of the top radiator hose.
19. Check coolant hoses for leaks.
Tighten clamps, if
necessary.
20. Press OFF on the control panel to shut the engine
do
wn.
21. Wait for the engine to cool.
22
. Repeat s
teps 4-21 to drain and refill cooling
system.
23. Slowly u
nscrew radiator cap. Slowly pour coolant
into filler neck until radiator is full.
24. Add coolant to the overflow reservoir. See Check
Coolant
Level and Hoses.
25. Install plastic cover at top of enclosure and rotate
un
til tight.
26. Check hoses for nicks, cuts, tears or general
d
eterioration. Replace as necessary.
001497
RADIATOR
DRAIN
001493
A
NOTE: Drain hose removed for illustration
purposes.
B
Figure 5-13. Drain/Fill Coolant System