Piper Warrior III - Page 307

PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
2E17
24-30-00
PAGE 25
Nov 30/06
CHART 6
HYDROMETER READING (SPECIFIC GRAVITY) VS. BATTERY CHARGE
Hydrometer Reading Percent Charge
1.285 to 1.295 100
1.250 75
1.217 50
1.184 25
1.150 Discharged
CHART 7
HYDROMETER READING (SPECIFIC GRAVITY) TEMPERATURE CORRECTION
Electrolyte Temperature Correction
(Add to or Subtract from
reading as indicated)
° C ° F
60 140 +.024
55 130 +.020
49 120 +.016
43 110 +.012
38 100 +.008
33 90 +.004
27 80 NONE
23 70 -.004
15 60 -.008
10 50 -.012
5 40 -.016
-2 30 -.020
-7 20 -.024
-13 10 -.028
-18 0 -.032
-23 -10 -.036
-28 -20 -.040
-35 -30 -.044