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16 Pelco Manual C324M-I (8/98)
6.0 MAINTENANCE
Inspect the pan/tilt unit every six months to ensure trouble-free operation and an
extended product life. Harsh environments and/or continuous motion applications
may require more frequent maintenance.
Please read all of the instructions that follow before servicing the pan/tilt.
To begin, remove the two screws on the back of the pan/tilt housing and lift the
cover to gain access to the pan and tilt motor assemblies.
6.1 TIGHTENING DRIVE CHAINS
Check the pan and tilt drive chains for tension. A movement of 1/32 of an inch to 3/32
of an inch in the chains is acceptable. If the movement of a chain exceeds 3/32 of an
inch, adjust the chain as follows:
1. Loosen the screws securing the motor to the mounting frame.
2. Pry on the motor to apply tension to the chain. Do not over-tension the drive
chain.
3. Keep tension on the chain while tightening the screws.
6.2 CHAIN DRIVE LUBRICATION
Sprockets and chains should be well greased. If necessary, lubricate the pan and
tilt sprockets and chains as follows with a high-quality grease capable of withstand-
ing temperatures from -50° to 170°F (-46° to 77°C). Do the following:
1. Liberally apply grease to the pan and tilt drive chains and sprockets (refer to
Figure 6).
2. Operate the pan and tilt motors to spread the grease across the parts.
3. Apply additional grease if necessary.
4. Reinstall the cover.
Figure 6. Servicing the Pan and Tilt
APPLY GREASE
TO THESE
LOCATIONS
APPLY GREASE
TO THESE
LOCATIONS
00063