Alternative to "accessible"

In the context of a technical manual, engineers use the word "accessible" to indicate that a piece of hardware should have "easy access" for repair, maintenance, and other modifications.

What would you use instead of "accessible" in such contexts (avoiding the lexeme access)?

For example:

The TMGB must be located such that it is accessible to telecommunications personnel.

You could consider:

The TMGB must be located such that it is serviceable by telecommunications personnel.

An adjective such as readily, conveniently, or similar might also be appropriate.

What would you use instead of "accessible" in such contexts (avoiding the lexeme access)?

I wouldn't; I'd use accessible to telecommunications personnel. But you could say it needs to be easily reached by or easily approached by them. Or that maintenance and servicing needs to be convenient.

But nothing quite has the easy simplicity of accessible, especially in your quoted context of a technical manual where the word is presumably readily understood.