Hitachi E 71, Service Manual

Page: 19 / 44

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Cause
Corrective action
Procedure
The Breaker
[124]
turns of
f frequently
.
T
rouble
The Breaker
[124]
and the
Thermal Protectors
[1
17] [1
19]
are faulty
.
Replace the Breaker
[124]
and
the Thermal Protectors
[1
17]
[1
19]
.
Removal of the Breaker
[124]
10
Remove the Hex. Nut
[1
16]
from the Breaker
[124]
.
11
Disconnect the terminal and replace the Breaker
[124]
.
1 Remove the three couplers of the Wire Harness
[162]
(white/blue, yellow/brown,
and black/black) that connects the Stator
[12]
with the Panel
Ass’y
[151]
and
remove the Screw (W/W
asher) M5 x 12
[13]
.
2 Remove the Hex. Bolt M6 x 24
[77]
from the side of the Panel
Ass’y
[151]
.
3 Pull the Panel
Ass’y
[151]
and remove the couplers of the Wire Harness
[94]
and
the Wire Harness
[161]
from the Engine
[71]
behind the Box
Ass’y
[141]
.
4 Push the Wire Harness
[162]
in the Box
Ass’y
[141]
.
5 Remove the Hex. Bolt M6 x 12
[147]
and open the Box
Ass’y
[141]
a little.
6 Push the claws of the couplers (above step 3 ) fitted in the Box
Ass’y
[141]
to
remove the couplers from the Box
Ass’y
[141]
.
7 Remove the Grommet
[144]
and put the couplers (above step 6 ) in the Box
Ass’y
[141]
.
8 Open the Box
Ass’y
[141]
and remove the Condenser
[145]
from the Wire
Harness
[162]
.
9 Pull out the Wire Harness
[162]
from the Box
Ass’y
[141]
and remove the Box
Ass’y
[141]
.
Removal of the
Thermal Protector
[1
17]
for GFCI
13
Disconnect the faston terminal.
14
Release the claw locked in the Panel (1)
[1
14]
surface and replace the
Thermal
Protector
[1
17]
.
Removal of the
Thermal Protector
[1
19]
for twist-lock receptacles
13
Disconnect the round terminal (screw).
14
Release the claw locked in the Panel (1)
[1
14]
surface and replace the
Thermal
Protector
[1
19]
.
The connected electrical equipment is overloaded.
Check the connected electrical equipment.
Check the connected electrical equipment.
The starting current of the motor in the connected electrical equipment is high.