Basic Principles Of Operation; Quantum Fireball Plus As Drive Mechanism - Quantum FIREBALL PLUS AS 10.2 Product Manual

This chapter describes the operation of Quantum Fireball Plus AS AT hard disk
drives' functional subsystems. It is intended as a guide to the operation of the drive,
rather than a detailed theory of operation.
5.1 5.1 5.1 5.1

QUANTUM FIREBALL PLUS AS DRIVE MECHANISM

QUANTUM FIREBALL PLUS AS DRIVE MECHANISM QUANTUM FIREBALL PLUS AS DRIVE MECHANISM QUANTUM FIREBALL PLUS AS DRIVE MECHANISM
This section describes the drive mechanism. Section 5.2 describes the drive
electronics. The Quantum Fireball Plus AS hard disk drives consist of a mechanical
assembly and a PCB as shown in Figure 5-1.
The head/disk assembly (HDA) contains the mechanical subassemblies of the
drive, which are sealed under a metal cover. The HDA consists of the following
components:
• Base casting
• DC motor assembly
• Disk stack assembly
• Headstack assembly
• Rotary positioner assembly
• Automatic actuator lock
• Air filter
The drive is assembled in a Class-100 clean room.

BASIC PRINCIPLES OF OPERATION

BASIC PRINCIPLES OF OPERATION
BASIC PRINCIPLES OF OPERATION BASIC PRINCIPLES OF OPERATION
CAUTION: To ensure that the air in the HDA remains free of CAUTION: CAUTION: CAUTION:
contamination, never remove or adjust its cover
and seals. Tampering with the HDA will void your
warranty.
Quantum Fireball Plus AS 10.2/20.5/30.0/40.0/60.0 GB AT
Chapter 5 Chapter 5 Chapter 5 Chapter 5
5-1