Maintenance; Cleaning; Removal - Curtis 1222 Manual

8 — MAINTENANCE
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C A U T I O N
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2 9 J A N U A R Y 2 0 1 3 D R A F T
There are no user serviceable parts in Curtis 1222 controllers. No attempt
should be made to open, repair, or otherwise modify the controller. Doing
so may damage the controller and will void the warranty.
It is recommended that the controller and connections be kept clean and
dry and that the controller's fault history file be checked and cleared periodi-
cally.

CLEANING

Periodically cleaning the controller exterior will help protect it against corrosion
and possible electrical control problems created by dirt, grime, and chemicals
that are part of the operating environment and that normally exist in battery
powered systems.
When working around any battery powered system, proper safety
precautions should be taken. These include, but are not limited to: proper
training, wearing eye protection, and avoiding loose clothing and jewelry.
Use the following cleaning procedure for routine maintenance. Never use
a high pressure washer to clean the controller.
1. Remove power by disconnecting the battery.
2. Ensure the capacitor bank is fully discharged by connecting a
load (such as a contactor coil) across the controller's
terminals until a meter reads 0 V.
B-
3. Remove any dirt or corrosion from the power and signal
connector areas. The controller should be wiped clean with a
moist rag. Dry it before reconnecting the battery.
4. Make sure the connections are tight. Refer to Section 2, page 6,
for maximum tightening torque specifications for the battery
and motor connections.

REMOVAL

Troubleshooting, repair, or decommissioning of the vehicle may require removal
of the controller. Use the following procedure for safe removal of a controller
If disposal is required, do so in accordance with local regulations.
When working around any battery powered system, proper safety
precautions should be taken. These include, but are not limited to: proper
training, wearing eye protection, and avoiding loose clothing and jewelry.
1. Remove power by disconnecting the battery.
2. Ensure the capacitor bank is fully discharged by connecting a
load (such as a contactor coil) across the controller's
terminals until a meter reads 0 V.
B-

MAINTENANCE

B+ and
and
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Curtis 1222 Manual,
os 15