IBM 6151 Maintenance And Service Manual page 169

Number Service Request Number or Action
4u 11-18A-100 (See notes)
50 12-310
51 12-230
52 12-5BO
53
12-350
54
12-230
55 12-350
56 12-390
57 12-390
58 12-320
59 12-3AO
5c
11-981-F6C-8EA
5u
11-18A (See notes)
60 12-280
61 12-380
62 12-400
65 12-4AO
66
12-4BO
67 12-1CB-F4A
68 11-8EA
69 12-8EA
71
12-15C
72 12-12C
73 12-16C
74 12-1EC
76 12-120
77 12-150
78
12-160
(6/88) Problem Isolation Charts 3-0040-3