MQ Power WHISPERWATT Series Operation Manual page 31

CLEANING THE RADIATOR
The engine may overheat if the radiator cooling fins
(Figure 35) become overloaded with dust or debris.
Periodically clean the radiator fins with compressed air.
Cleaning inside the machine is dangerous, so clean only
with the engine turned off and the negative battery terminal
disconnected.
COOLING
FINS
Figure 35. Radiator (Cooling Fins)
ENGINE AIR CLEANER
Periodic cleaning/replacement of the air cleaner is
necessary. Inspect the air cleaner (Figure 36) in accordance
with the maintenance section of this manual or the Kubota
Engine Owner's Manual.
Figure 36. Engine Air Cleaner
DCA40SSKU4F2 60 HZ GENERATOR • OPERATION MANUAL — REV. #2 (08/30/22) — PAGE 31
INSPECTION/SETUP
FAN BELT TENSION
A slack fan belt may contribute to overheating, or to
insufficient charging of the battery. Inspect the fan belt for
damage and wear and adjust it in accordance with the
maintenance section of this manual or the Kubota Engine
Owner's Manual.
The fan belt tension is proper if the fan belt bends
0.4–0.6 in. (10–15 mm) when pressed with the thumb as
shown in Figure 37.
Figure 37. Fan Belt Tension
CAUTION
NEVER place hands near the belts or fan
while the generator set is running.
0.4–0.6 IN.
(10–15 MM)
DEFLECTION