Pack Detector Assembly; Mainframe Assembly, Replaceable Parts - HP 7925D Service Manual

7925
Table 6-2. Mainframe Assembly, Replaceable Parts
Replaceable Parts
FIG. &
UNITS
INDEX
MFR PER
NO. HP PART NO.
DESCRIPTION
CODE MFR PART NO. ASSY
6-2- No Number
MAINFRAME ASSEMBLY (4, figure 6-1) 28480 No Number REF
1 07925-00053
*PREAMP SHIELD 28480
07925-00053 1
(Attaching Parts)
2
2510-0045 *SCREW, machine, pozi, ph, 0.375 in. long, w/ext-tooth
00000 OBD 3
- - - x - - -
3 2510-0043 *SCREW, machine, fh, pozi, 8-32, 0.375 in. long, w/ext-tooth
00000 OBD 2
4
3050-0001 *WASHER, flat, no. 8
00000 OBD 2
5 07925-00056 *BRACKET, cable mounting
28480 07925-00056
6 2420-0001 *NUT, hex, 6-32, w/ext-tooth
00000 OBD 2
7 2190-0142
*WASHER, flat, no. 6 00000 OBD 2
8 07906-00047 *COVER, card cage
28480 07906-00047 1
9 07925-60001
*1/0 SECTOR PCA (A2) 28480 07925-60001 1
10 07920-60183
*SERVO PCA (A3) 28480 07920-60183 1
11 07925-60002
*DRIVE CONTROL PCA (A4) 28480 07925-60002 1
12 07925-60105
*TRACK FOLLOWER PCA (A5) 28480 07925-60105 1
13 07925-60133 *CARD CAGE CHASSIS 28480
07925-60133 1
14 0403-0102
"GUIDE, PCA, nylon, 6.5 in. long, 0.312 in. wide 23880 1650F
10
15
07925-60106 *READ/WRITE PREAMPLIFIER PCA (A6) 28480 07925-60106 1
16 07925-60008 *MOTHERBOARD PCA (A7) 28480
07925-60008 1
(Attaching Parts)
17 2510-0045
*SCREW, machine, ph, pozi, 8-32, 0.375 in. long, w/ext-tooth 00000 OBD 4
- - - x - - -
18 7120-8039 *LABEL, warning
28480 7120-8039 1
19 07920-00100 *COVER, terminal block
28480 07920-00100 1
(Attaching Parts)
20 2200-0155 *SCREW, machine, ph, pozi, no. 4-40, 1.00 in. long
00000 OBD 2
21 2190-0913 *WASHER, lock, split, no. 4
00000 OBD 2
- - - x - - -
22 07925-60084 *POWER SUPPLY ASSEMBLY (See figure 6-6)
28480 07925-60084 1
(Attaching Parts)
23 2940-0055 *SCREW, cap, hex hd, 1/4-20,0.625 in. long
00000 OBD 4
24 2190-0032 *WASHER, lock, split, 1/4 in.
00000 OBD 4
- - - x - - -
25 07920-00084 ·SHIELD, contamination
28480 07920-00084 1
(Attaching parts)
26 2510-0045
*SCREW, machine, ph, pozi, 8-32, 0.375 in. long, w/ext-tooth
. 00000
OBD
2
- - - x - - -
27 07925-60033
*HEAD ASSEMBLY, read/write (down)
28480 07925-60033 2
28 07920-60114 *HEAD ASSEMBLY, servo
28480 07920-60114 1
29 07925-60032
*HEAD ASSEMBLY, read/write (up)
28480 07925-60032 3
30 07920-60097 *ACTUATOR ASSEMBLY (See figure 6-7)
28480 07920-60097 1
(Attaching parts)
31 3020-0006
*SCREW, cap, socket hd, 1/4-20, 1.25 in. long 00000 OBD 4
32 2190-0032 ·WASHER, lock, split, 1/4 in.
00000 OBD 4
- - - x - - -
33 07925-60079
*PACK DETECTOR ASSEMBLY 28480 07925-60079 1
(Attaching parts)
34 2200-0105
*SCREW, machine, ph, pozi, 4-40, 0.312 in. long, w/ext-tooth 00000 OBD 2
- - - x - - -
35 07925-60112 *SPINDLE ASSEMBL Y (See figure 6-5) 28480 07925-60112 1
(Attaching Parts)
36 3020-0006 *SCREW, cap, socket hd, 1/4-20, 1.25 in. long 00000
OBD
4
37 2190-0032 *WASHER, lock, split, 1/4 in.
00000 OBD 4
- - - x - - -
38 07925-60074 *HUB LOCK
28480 07925-60074 1
(Attaching Parts)
39 3030-0735
*SCREW, shoulder, 6-32 28480 3030-0735 1
40 1460-0629
*SPRING, hub lock 28480 1460-0629 1
- - - x - - -
I
Change 1 6-7