Product Manual

Maintenance
32 Owner’s Manual for Spark-Ignited Stationary Generators
Schedule B Maintenance
NOTE: Perform Schedule B maintenance every two
years or after 250 hours of service, whichever comes
first. Before proceeding below, first perform all tasks
listed under Schedule A Maintenance.
NOTE: The 2.4L (32 kW) unit is depicted in the artwork
used in this manual. For the general location of compo-
nents in all other models, see Schedule B Maintenance
Item Locations.
Schedule B Maintenance Item Locations
NOTE: The viewing window side of the enclosure is
identified as the rear of the generator set. The right and
left sides are identified by standing at the rear and look-
ing towards the front of the unit.
Draining and Flushing Coolant System
Proceed as follows to drain and flush the coolant system:
1. Disconnect and empty coolant overflow reservoir.
2. Install and connect coolant overflow reservoir.
3. Rotate and remove plastic cover at top of enclo-
sure.
4. Slowly unscrew radiator cap.
5. Locate drain screw at bottom left side of radiator.
NOTE: If unit is not equipped with drain hose, install suit-
able length of rubber hose to drain screw.
6. See Figure 5-14. Rotate hex fitting to open drain
screw (A).
Figure 5-14. Radiator Drain Location
NOTE: Drain hose removed for illustration purposes.
7. Remove coolant drain hose from holding clamp.
8. Use wrench to hold hex on coolant hose fitting (to
prevent rotation), and use second wrench to
remove drain plug.
9. Drain coolant into a suitable container.
10. Install drain plug at end of coolant drain hose.
11. Install coolant drain hose in holding clamp.
12. Rotate hex fitting to close radiator drain screw.
13. Obtain recommended quantity and type of coolant.
See Coolant Water Treatment.
14. See Figure 5-15. Insert funnel into filler neck of
radiator (B). See Draining and Flushing Coolant
System.
Figure 5-15. Filling Coolant System
15. Slowly pour coolant into filler neck until radiator is
full.
16. Install radiator cap.
Model 48 kW / 60 kW / 80 kW
Engine 4.5L
Coolant drain hose
R
Radiator fill cap
T
Coolant overflow reservoir
R
Spark plugs
L
R = Right Side L = Left Side T = Top
(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.
Model (kW) Engine
System Coolant
Capacity
48 4.5 L 10 qt (9.5 L)
60 / 80 4.5 L 18 qt (17 L)
RADIATOR
DRAIN
001493
A
001497
B