Hyster D264, Руководство по обслуживанию и ремонту

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Contactor and Electrical Panel Checks
WARNING
DO NOT operate a lift truck that needs adjustment
or repairs. Report the need for adjustment or re-
pairs immediately. If adjustment or repair is nec-
essary, put a DO NOT OPERATE tag on the instru-
ment panel. Remove the key from the key switch.
WARNING
Some of the checks are done with the battery con-
nected. Never have any metal on your fingers,
arms, or neck. These metal items can accidentally
make an electrical connection and cause a per-
sonal injury.
CAUTION
Correct multimeter polarity is necessary for some
checks. Meter positive is indicated as (+). Meter
negative is indicated as (−).
Use a multimeter with a minimum rating of 20,000
ohms per volt to make measurements. Most digital
voltmeters are acceptable.
NOTE:
To perform the following component tests
or to replace any of the components, the drive unit
compartment doors must be opened and the drive
unit compartment cover must be removed.
FUSES
All the fuses are located in the electrical compart-
ment. See Figure 10. Remove cover over electrical
compartment for access. The condition of some
fuses can be checked by looking at them. Other
fuses do not change in looks and must be checked
with an ohmmeter to determine continuity. Discon-
nect battery and remove a fuse before checking the
fuse.
All fuses are on the contactor panel. Ratings of the
fuses are as follows:
Fuses Circuit Rating
FU 10 Key Switch
E-Stop
Start
10A
FU 11 Battery
Contact Coil
Heater (Optional)
10A
JP1 (24V boards only) 7.5A
FU 12 Logic Power 10A
FU 13 Spare 10A
1. FU 10
2. FU 11
3. JP 1
4. FU 12
5. FU 13
Figure 10. Fuse Locations
CONTACTORS
General
With the key switch turned OFF, the main contac-
tor coil is not connected to either battery positive or
battery negative. When the key switch is turned
ON, battery positive is connected to the main con-
tactor coil. After passing the power-on self-test the
traction controller will turn on a transistor that
will connect the low side of the main contactor to
ground. The main contactor is activated providing
power to all controllers and valve coils.
Contactor and Electrical Panel Checks 2200 SRM 1612
16