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VII. PLANNED MAINTENANCE
PERIODIC MAINTENANCE TABLE
INSPECTION PERIOD (Accompl~sh based
Periodic maintenance
INSPECTION METHOD
I: Inspect and correct and replace as required. T: Tighten C: Clean L: Lubricate
M : Measure and correct and adjust as required.
INSPECTION PERIOD (Accomplish based
on operat~ng hours or months, wh~chever is
soonest
)
EVERY 6WEEKS
3
6
12
MONTHS
EVERY
250
500
1000 2000
HOURS
ELECTRICAL SYSTEM
Motor
Rotation sound.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
t
t
t
Term~nal looseness
. . . . . . . . . . . . . . . . . . . . . . . . . . .
T
c
c
c
lnsulat~on resistance
.................................
M
c
c
Brush wear and sliding condition .......................
I
t
Commentator contamination, damage ................
I
t
Brush, spring wear .................... . . ...................
M
Battery
Charging level ................................................. I
t
c
t
Electrolyte level ............................
. . .
................ I
t
t
t
Electrolyte specific gravity.
............................
M
t
c
t
Terminal looseness
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
c
c
t
Abnormality in the upper porting of
the battery case .................................................
I
t
c
c
Insulation resistance .........................................
M
c
c
Voltage measurement of each battery cell
after charg~ng ......................................................
M
Magnetic contactor
Contact looseness, damage, abrasion .............
I
t
t
t
Operating condition of the auxiliary contact,
contarnination,abrasion
. . . . . . . . . . . . . . . . . . . . . . . . . .
I
c
c
c
Mounting condition of the arc shooter ..................
I
Operating condition and timings ...........................
I
Looseness of the coll mounting parts ..................
I
Mounting condition of the main circuit lead
wire looseness .................................................
I
Micro switch
Operating condition and timing
. . . . . . . . . . . . . . .
I
c
t
t
Damage and looseness of installing parts ...........
I
t
t
c
Direction lever
Operating condition, damage
. . . . . . . . . . . . . . . . . . . . . . . . .
I
c
c
6
on operatng hours or months, wh~chever
IS
snnnpst i
EVERY 6WEEKS
3
6
12
MONTHS
EVERY
250
500
1000 2000
HOURS
Direction switch
Contact inspection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controller
Operating condition . . . . . . . . . . . . . . . . . . . . . . .
Interior contamination, damage
. . . . . . . . . . . . .
Overcorrect limited value ...................................
Fuse
Looseness ......................................................
Wiring (including charging cord)
Harness deterioration, clamp damage and
looseness .....................................................
Looseness in connecting parts,
tap~ng cond~tion
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connect~on cond~tion and damage of
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
the battery connector
POWER TRANSFER SYSTEM
Drive unit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil leakage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil level
Bolt or nut looseness .........................................
Differential, planetary gear
.....................................................
Oil leakage
............................
.............................
Oil level
.
.
.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bolt or nut looseness
RUNNING EQUIPMENT
Wheels
.................
T ~ r e cuts, damage and uneven treads
......................................
Loose rlm and hub nuts
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thread depth
Metal fragments, stones or
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
other foreign objects in tires
. . . . . . . . . . .
Rim, side ring and d ~ s c wheel damage
Front wheel bearing unusual noise and looseness.
Rear wheel bearing unusual noise and looseness .
Front axle
............................
Housing cracks and damage
Rear axle
.............
Beam cracks, damage and deformation
Axle beam forward and backward
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
d~rect~on looseness.
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T
l
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T
l
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t
t
T
t
t
t
M
t
t
t
l
t
t
t
l
t
t
t
l
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t
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