Table 2. BATTERY TROUBLESHOOTING GUIDE (Continued)
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↓
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↓
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↓
1
MORE THAN 100MA LESS THAN 100MA
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↓
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↓
————
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POSSIBLE SHORTED
CONDITION. WASHING OF
BATTERY MAY BE
REQUIRED
BATTERY IS NOT LEAKING
EXCESSIVELY OR
SHORTED. WILL NOT
LIKELY AFFECT SCR
CIRCUIT OPERATION
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↓
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↓
INCORRECT
|
|
CORRECTED
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3 SPECIFIC GRAVITY
TEST
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↓
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↓
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←—————
——————
BATTERY SHORTED
CONDITION
|
|
——→
USING A HYDROMETER, CHECK
SPECIFIC GRAVITY BETWEEN BATTERY
CELLS. NO MORE THAN FIVE TO TEN
POINTS DIFFERENCE. (FULLY
CHARGED)
|
|
↓
|
|
↓
|
CORRECTED
↓
|
|
|
TO LOCATE PROBLEM CELL OR CELLS,
POS./NEG. SIDE, CHECK FOR VOLTAGE
FROM POS/NEG TERMINALS TO
BATTERY FRAME USING THE VOLT-OHM
METER. DIVIDING THAT VOLTAGE BY 2
WILL HELP INDICATE WHAT CELL IS
SHORTED.
REPLACE BATTERY AND
CONTACT BATTERY
VENDOR
———
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|
|
BATTERY IS IN GOOD CONDITION
|
|
|
INCORRECT
|
|
|
|
|
|
↓
|
|
|
|
ADD 1,400 ELECTROLYTE TO RAISE OR
DISTILLED WATER TO LOWER.
RECHARGE FOR 1 1/2 HOURS TO MIX
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|
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|
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|
|
CORRECTED
|
|
INCORRECT
|
↓
|
↓
|
↓
4 BATTERY LOAD TEST
←———————————
BATTERY IS
IN GOOD
CONDITION
REPLACE
BATTERY
AND
CONTACT
VENDOR
|
↓
PLACE AMP SHUNT METER IN SERIES
WITH EITHER THE POS. OR NEG.
BATTERY TERMINAL
|
↓
CYCLE THROUGH THE HOIST LIFTING
CIRCUIT SEVERAL TIMES TO REMOVE
BATTERY SURFACE CHARGE
|
↓
WITH MAST IN THE LOWER POSITION,
POWER STEERING MOTOR RUNNING,
CHECK VOLTAGE DROP ACROSS EACH
BATTERY CELL USING A VOLT-OHM
METER (2.5 VOLT SCALE)
|
↓
—
|
↓
CHECK FOR LESS THAN .05 VOLTAGE
DIFFERENCE BETWEEN EACH CELL. A
20 AMP LOAD MUST BE MAINTAINED
—
|
↓
2240 YRM 0001 Troubleshooting
19
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