Kubota M108DC, Operator'S Manual

Page: 101 / 124

81 PERIODIC SERVICE
1. To slow charge the battery, connect the battery
positive terminal to the charger positive terminal and
the negative to the negative, then recharge in the
standard fashion.
2. A boost charge is only for emergencies. It will partially
charge the battery at a high rate and in a short time.
When using a boost-charged battery, it is necessary to
recharge the battery as early as possible.
Failure to do this will shorten the battery's service life.
3. The battery is charged if the indicator display turns
green from black.
4. When exchanging an old battery for a new one, use
battery of equal specification shown in table 1 .
Table 1
C
Direction for Storage
1. When storing the tractor for long periods of time,
remove the battery from tractor, adjust the electrolyte
to the proper level and store in a dry place out of direct
sunlight.
2. The battery self-discharges while it is stored.
Recharge it once every 3 months in hot seasons and
once every 6 months in cold seasons.
A
In checking and refilling the battery, be careful not to
spill battery fluid. Spilt battery fluid may affect the
engine controller (ECU) located below the battery,
resulting in damage.
B
Cleaning Air Cleaner Primary Element
1. Remove the air cleaner cover and primary element.
2. Clean the primary element:
(1) When dry dust adheres to the element, blow
compressed air from the inside, turning the
element. Pressure of compressed air must be
under 205 kPa (2.1 kgf/cm , 30 psi).
(2) When carbon or oil adheres to the element, soak
the element in detergent for 15 minutes then wash
it several times in water, rinse with clean water
and dry it naturally. After element is fully dried,
inspect inside of the element with a light and
check if it is damaged or not.
3. Replace air cleaner primary element:
Once every 1000 hours or yearly, whichever comes
first.
A
Check to see if the evacuator valve is blocked with
dust.
(1) Battery
Battery Type Volts (V)
Capacity at
5H.R(A.H)
GP31
(105E41R)
12 85.3
Reserve
Capacity
(min)
Cold
Cranking
Amps
Normal
Charging
Rate (A)
160 900 11
(1) Secondary (safety) element
(2) Primary element
(3) Evacuator valve
(4) Cover