62-11640
8–34
8.9.3
Stepper Valve Module (SVM)
1. Ensure unit will not start automatically by dis-
abling any two way communication, placing the
STOP/ RUN-OFF switch in the OFF position
and removing the negative battery cable. Dis-
connect the high voltage source and lockout/
tagout the receptacle.
2. Unlock the tabs on and remove the two 35 pin
connectors and 8 pin connector from the front of
the module.
3. Replace module. Tighten mounting hardware to
96 inch/lbs (10.8 Nm).
4. Reinstall connectors ensuring tabs are fully
locked in place.
5. Start unit and run Pretrip to check operation.
8.9.4
Display Module (DM)
1. Ensure unit will not start automatically by dis-
abling any two way communication, placing the
STOP/ RUN-OFF switch in the OFF position
and removing the negative battery cable. Dis-
connect the high voltage source and lockout/
tagout the receptacle.
2. Unlock the tabs on, and then remove the 14 pin
connector from the back of the module.
3. Remove hardware at rear of module. Replace
module. Tighten mounting hardware to 84 to
120 inch/lbs (9.5 to 13.6 Nm).
4. Reinstall connector ensuring tabs are fully
locked in place.
5. Make sure the latest software has been loaded
to ensure all modules are compatible, refer to
.
NOTICE
When a module is replaced, software
should be upgraded before switching the
unit on. This will ensure software com-
patibility of all modules.
6. Start unit and run Pretrip to check operation.
8.9.5
Contactor Control Board (CCB)
The two Contactor Control Boards, CCB1 & CCB2 are
located behind the control box. To service a CCB do
the following:
1. Ensure the unit will not start automatically by
disabling any two way communication, placing
the STOP/RUN-OFF switch in the OFF position
and removing the negative battery cable. Dis-
connect the high voltage source and lockout/
tagout the receptacle.
NOTICE
Electronic modules MUST be handled
with care to prevent accidental damage
or degradation from electrical static dis-
charge (ESD), contamination or abuse.
Before touching a module, touch your
body and/or conductive tool being used
to the frame to discharge ESD safely. All
electronics should be handled carefully
and only held by edges of any exposed
board. Care should be taken when insert-
ing/extracting connectors and compo-
nents to avoid exerting excessive stress
on the board which could fracture small
components nearby resulting in future
failure of circuit.
2. Attach a grounded wrist strap (CTD P/N
07
−
00304
−
00) and ground it to a good unit
frame ground.
3. Remove the four control box cover bolts, then
the remove the cover ground cable. Set the
cover off to the side.
4. Remove the 2 nuts that secure the PE plate to
the box and remove the 2 nuts that secure the
current transformer to the control box.
5. Move the PE plate and the current transformer
off the studs towards the center of the box.
6. Remove the two nuts located at the bottom of
the sub panel.
7. Disconnect the connectors from CCB1 and
CCB2 and remove two nuts.
8. Remove upper mounting bolts.
NOTE
At this point the sub panel may start to swing
out of the box. It is best to hold it in while
removing the last bolt.
Change 09/14
Summary of Contents for Vector 8500
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