1 battery replacement procedures, 0 maintenance – YSI Level Scout User Manual
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4 . 0 M A I N T E N A N C E
This chapter will explain how to perform typical maintenance on a Level Scout. The Level Scout has been designed to provide many 
years of reliable service while requiring minimal maintenance. 
4.1 BATTERY REPLACEMENT PROCEDURES
Periodic replacement of the internal batteries will be required every three to five years. The following simple steps will guide the user 
through this replacement process. 
Warning
Due to the inherent explosion risks of lithium batteries when exposed to 
water, YSI does not recommend using lithium batteries in the Level Scout. 
YSI Incorporated
Level Scout 31
Figure 4.1
Remove the cable or wire from the transducer by holding the 
transducer in one hand and the retaining nut with the other 
hand. Gently unscrew the retaining nut of the cable or wire 
from the transducer. The nut will rotate while unscrewing 
from the transducer body, but the cable will remain 
stationary. 
Twist this part to unscrew the cable from 
the transducer. 
This part remains stationary.
 
Continue to un-thread until the nut is completely un-
threaded. Grasp the nut and gently pull it and the cable away 
from the transducer body (figure 4.2). 
 
Lay the cable end aside, on a clean, dry surface. 
Figure 4.2
