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Chapter 5 - Power Chassis Installation
Circuit Breaker and Fuse Information
Chassis Circuit Breaker
The circuit breaker is rated at 15A, and is located on the lower-left front of the chassis, on
the power entry module. It also functions as an on/off switch to isolate the chassis.
CAUTION: If the circuit breaker trips due to current overload, it indicates
an internal fault. Do not reset the circuit breaker yourself, contact Adept
!
Customer Service at the numbers listed in Chapter 1.
Chassis Fuses
The two chassis fuses (F1 and F2) are located on the power control board. This is located
behind the front air filter. Model 3303: Both chassis fuses are rated at 1A, size 3AG. Model
3306: Both chassis fuses are rated at 2A, size 20mm. Always replace blown fuses with
fuses of the same type and rating. Fuse replacement must be done by a skilled or
instructed person.
Fuse Replacement Procedure:
WARNING: Dangerous voltages are present inside the power chassis.
Turn off the power to the power chassis and disconnect it from the AC
power source before opening the front grill to inspect or replace the fuses.
Failure to observe this warning could cause injury or damage to your
equipment.
1. Make sure the Adept PA-4 power chassis and Adept MV controller are turned off
and completely disconnected from the AC power source.
2. Open the front air-intake grill by loosening two screws and swinging the grill out.
3. Replace blown fuses with new ones of same type and rating.
4. Close the grill and secure the two screws.
Amplifier Module Fuses
In addition to the fuses in the power chassis, there are additional fuses located inside the
power amplifier modules. The amplifier fuses are not user-replaceable. If you suspect that
an amplifier fuse may have blown, contact Customer Service.
CAUTION: Failure of an amplifier fuse indicates an internal circuit fault
which must be corrected before the fuse is replaced. Do not attempt to
!
replace the fuse yourself, contact Adept Customer Service at the numbers
listed in Chapter 1.
Joining an Adept PA-4 Power Chassis to an Adept MV Controller
The Adept PA-4 Power Chassis can be joined to the Adept MV-8 (or MV-19) controller
using the brackets supplied in the accessories kit. They must be joined at the top and
bottom, as described in the following sections.
34
Adept 550 Table-Top Robot User's Guide, Rev A
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