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8 550
1.10.1
H ardw a r e
The drive is manufactured with certain critical internal alignments that must be maintained. Hence, it
is important that the mounting hardware does not introduce significant stress on the drive.
A three-part mounting scheme is recommended. Any mounting scheme in which the drive is part of
the structural integrity of the enclosure may cause equipment operating problems and should be
avoided. In addition, the m o u nting scheme s h ould allow for adjustable brackets or i n c orporate
resilient members to accommodate tolerences.
1.10.2
D ust C o v e r
The design of an enclosure should incorporate a means to prevent contamination from loose items
e.g., dust, lint, and paper since the drive does not have a dust cover.
1.10.3
Co o l i n g System Requirements
Heat dissipation from a single drive is normally 30 watts (102) Btu/Hr.) under high line conditions.
When the drive is mo u nted so t hat th e c o m p o nents have access to th e f ree flow of air, normal
convection cooling allows operation over the specified temperature range.
When the drive is mounted in a confined environment, air flow must be provided to maintain specified
air temperatures in the vicinity of the motors, the circuit board, and the diskette.
1.1 1 D I S K E TTE CARE, HAND LI NG, AND STORAGE
It is important that the diskette be cared for, handled, and stored properly so that the integrity of the
recorded data is maintained. A damaged or contaminated diskette can impair or prevent recovery of
data, and can result in damage to the read/write heads of the drive.
6-32 THD
THRLI 4 PL
(2 EA. SIDE)
8.00
13.33
.P
O
3
6 ~
pp
I
1 60
2.300
Figure 1-1
TM848 Disk Drive Mounting Configuration
1-6
0
'0
3.50
0
I 20
NOTES. DIMENSIONS GIVEN IN INCHES.
149 DIA. TOP X
1 56 DIA. BOTTOM X
.430 DP.
4 PL
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