Honeywell 6000 Series Reference Manual page 56

DSU190B DISK PACK INSTALLATION
Make certain that the disk pack to be installed has been cleaned and rrlaintained
properly.
1. Verify that the STOPPED indicator is lighted.
CAUTION: No atte:mpt should be :made to open the cover m.anually
at any ti:me. The cover :~ s disabled and the LOAD switch
will not work while the pack is rotating. The LOAD
switch becomes effective only after the STOPPED
indicator lights. See Table 3 -3.
2.
Press the LOAD switch to open the cover.
NOTE: The DSUl90B disk drive was designed for pack loading
directly into the front of the unit. Do not attem.pt to
position the pack on the spindle by lowering the pack
from the top of the unit.
3. Lift the disk pack by the plastic canister handle.
4.
Disengage the botto:m dust cover from the disk pack using the knob in the
center of the cover. Set the cover aside to a dust-free storage area.
CAUTION: Avoid abusive contact between the disk pack and the
spindle. During maintenance procedures the read/write
heads sometimes are positioned manually. Make cer-
tain that the heads are fully retracted.
5. Place the disk pack onto the spindle.
6.
Twist the canister handle clockwise until the slip clutch resists further
twisting. The pack is now locked in place.
7.
Lift the canister clear of the disk pack and set it on the bottom of the
dust cover.
8. Close the front cover ilnmediately to prevent dust from getting in and
contaminating the disk surfaces.
DSU190B DISK PACK REMOVAL
1. Press the STOP switch to stop spindle and pack rotation. Wait for the
STOPPED indicator to light.
2. After tLe STOPPED indicator lights, press the LOAD switch to open
the cover.
CAUTION: During maintenance procedures the read/write heads
sometimes are positioned manually. Make certain
that the heads are fully retracted.
3. Place the plastic canister
ovp'
thf' nlounted disk pack so that the post pro-
truding from the center of the (lisk pack is received into the canister handle.
CAUTION: Avoid abusive contact between the disk pack and the
spindle asseInbiy.
4.- Twist the canister handle counterclockwise until the disk pack is free of
the spindle.
5. Lift the canister and the disk pack clear of the spindle.
6.
Press the LOAD switch to close the front cover.
7.
Place thl! bottom dust cover in position on the disk pack and tighten it.
8. Store the disk pack in a clean cabinet or on a clean shelf.
3-10 DB37