Product Manual

Maintenance
42 Owner’s Manual for Stationary Generators
Drain/Flush Coolant System
1. Disconnect and empty coolant overflow reservoir.
2. Install an
d connect 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 unscre
w radiator cap.
5. Locate drain
cock 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. Remov
e coolant drain hose from holding clamp.
8. Use
wrench to hold hex on hose fitting (to prevent
rotation), and use second wrench to remove drain
plug.
9. Dr
ain coolant into a suitable container.
10. Insta
ll plug at end of drain hose.
11. Insta
ll drain hose in holding clamp.
12. Rotate hex
fitting to close radiator drain cock.
13. Ob
tain the recommended quantity and type of
coolant. 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 ra
diator cap.
17. Pr
ess MANUAL on the control panel to start the
engine. A blue LED illuminates to confirm that the
system is in the MANUAL mode.
18. Allo
w engine to run until the thermostat opens, as
indicated by heating of the top radiator hose.
19. Ch
eck coolant hoses for leaks. Tighten clamps, if
necessary.
20. Pre
ss OFF on the control panel to shut the engine
down.
21. W
ait for the engine to cool.
22. Repeat
steps 4-21 to drain and refill cooling
system.
23. Slowly
unscrew 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. In
stall plastic cover at top of enclosure and rotate
until tight.
26. Chec
k hoses for nicks, cuts, tears or general
deterioration. Replace as necessary.
001497
RADIATOR
DRAIN
001493
A
NOTE: Drain hose removed for illustration
purposes.
B
Figure 5-13. Drain/Fill Coolant System