Hyster D264, Руководство по обслуживанию и ремонту

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The contactor contacts are made of special silver al-
loy. The contacts may look black and rough from
normal operation. This condition does not cause
problems with the operation of the lift truck. Clean-
ing is not necessary. DO NOT USE A FILE ON
THE CONTACTS. DO NOT LUBRICATE THE
CONTACTS. Replace contacts when the silver alloy
is worn away to the base support metal. Replace
contactor parts as follows:
1.
Make an identification of the buss bars for cor-
rect installation. Remove nuts that fasten fixed
contacts.
2.
Remove two screws that fasten covers for each
contactor. See Figure 11. Remove cover of each
contactor. DO NOT lose plunger springs.
3.
Replace two fixed contacts in contactor covers.
4.
Remove plunger assembly and movable contact
and replace fixed contact bar. Replace contact
of plungers.
5.
If a coil will be replaced, remove cover base. Re-
move screws that fasten coil frame to mount
bracket. Remove coil and frame. Remove bush-
ing part of plunger and armature cap from coil.
Install these parts on the replacement coil.
6.
Install coil and frame on mount bracket.
7.
Install cover base, fixed contact bar, and
plunger on coil frame. Make sure spring is on
plunger.
8.
Install covers and electrical bars on covers as
removed during disassembly.
9.
Install contactor assemblies on the lift truck.
1. FIXED CONTACT
2. MOVING CONTACT
3. TOP COVER
4. SCREW - TOP COVER
5. RETURN SPRING
6. COIL AND FRAME
7. END CAP
Figure 11. Contactor
Contactor and Electrical Panel Checks 2200 SRM 1612
18