HP 7970B Operating And Service Manual page 36

Replaceable Parts
7970B/7970C
FIGURE
UNITS
& PART
DESCRIPTION
PER
INDEX NUMBER
ASSV
NO.
1
2 3 4 5
6-1-32
2190-0003 WASHER,lock, helical (AP) 1
-33 2190-0008 WASHER, lock, external (AP)_ 1
-34
07970-00610 GUIDE, cable (AP) _ 1
-35
2200-0125 SCREW, no. 4-40, 1.5-inches, pozi (AP) 1
-36
07970-62122 WR ITE ENABLE ASSEMBLY A 10 (refer to part 4 for details) 1
-37 2190-0416 WASH ER, flat (AP) _
3
-38 2190-0003 WASHER, lock, helical (AP) 3
-39
2200-0125 SCREW, no_ 4-40, 1.5-inches, pozi (AP)
3
-40 07970-60170 REEL MOTOR ASSEMBLY Bl/B2, 10 - 37_5 ips (see figure 6-5 for details) 2
07970-60171 REEL MOTOR ASSEMBLY B 1/B2 (see figure 6-5 for details) 2
-41 2190-0432 WASHER, lock, helical (AP) 4
-42 0570-0082 SCREW, no. 5/16-18, l-inch (AP)_ 4
-43 07970-60181 TENSION ARM ASSEMBLY A3/A4 (see figure 6-6 for details)
2
-44 2190-0034 WASHER,lock, helical (AP) 3
-45 2680-0105 SCREW, no. 10-32, 0.625·inch, pozi (AP) 3
-46 07970-01190 BRACKET,limit switch, upper
1
-47 0380-1012
SPACER (AP)
1
·48 2190-0420 WASH ER, flat (AP) .
2
-49 2190·0034 WASHER, lock, helical (AP) 2
-50 2680-0111 SCREW, no. 10-32, 1.O-inch, pozi (AP)
2
-51
07970-01191 WASHER, bumper
1
-52 4320-0256 EXTRUSION, rubber
1
-53 07970-20834 GUIDE, bumper.
1
-54
07970-00120 BRACKET, limit switch, lower 2
-55 0380-0016 SPACER (AP)
1
·56 3050-0002 WASHER, flat (AP) . 1
-57 2190-0034 WASHER,lock, helical (AP)
2
-58
2680-0099 SCREW, no. 10-32, 0.375-inch, pozi (AP)
1
-59 2680-0103 SCREW, no. 6-32, 0.5-inch, pozi (AP)
1
-60 0403-0163 BUMPER, stop (AP)
1
-61 07970-62089 CONTROL SWITCH ASSEMBLY All (see figure 6-7 for details).
1
-62
2190-0034 WASHER, lock, helical (AP) 2
-63 2190-0003 WASHER, lock, helical (AP)
1
-64 2680-0129
SCREW, no. 10-32, 0.132-inch, pozi (AP) 2
-65 2200-0143
SCREW, no. 4-40, 0.375-inch, pozi (AP) .
1
-66
07970-61150 PHOTOSENSE HEAD ASSEMBL Y A2 (see figure 6-8 for details)
1
-67 07970-01176 INSULATOR, photosense .
1
-68 3050-0105
WASH ER, flat (AP) . 2
-69 2190-0003 WASHER, lock, helical (AP)
2
-70
2200-0141 SCREW, no. 4-40, 0.312-inch, pozi (AP) .
2
-71 07970-60500 READ PREAMPLIFIER ASSEMBLY A15, 10 - 20.9 ips (refer to part 3)
1
07970-62000
.
READ PREAMPLIFIER ASSEMBLY A15, 21 - 45 ips (refer to part 3) .
1
07970-62001
READ/READ PREAMPLIFIER ASSEMBLY A15, 10 - 20.9 ips (refer to part 5)
1
07970-62012 READ/READ PREAMPLIFIER ASSEMBLY A15, 21-45 ips (refer to part 5) .
1
-72 2190-0034
WASHER,lock, helical (AP)
2
-73
2680-0103 SCREW, no. 6-32, 0.5-inch, pozi (AP)
;
2
-74 07970-60300
WRITE INTERCONNECT ASSEMBLY A14 (refer to part 4) .
1
07970·62165
WRITE INTERCONNECT ASSEMBLY A14 10 - 20.9 ips (refer to part 4)
1
07970-60300
WRITE INTERCONNECT ASSEMBLY A 1421 - 45 ips (refer to part 4l.
1
-75
2190-0034 WASHER, lock, helical (AP)
2
-76 2680-0099
SCREW, no. 10-32, 0.375-inch, pozi (AP)
2
6-6
Part 2