See if this helps birch. This is from the Craftsman Web Page:
See the info below plus this is the parts page link and then enter the model number: 137216-100 in the search and you will get the info and diagram shown below. If you don't have a manual for it use the help button and tell them you need a manual for this model and ask them to email you a pdf of it or something.
http://www3.sears.com/
Diagram
http://www3.sears.com/Paul/Leadimage...titleID=00001&
Parts List
BASE 19A00101 1
FOOT (3) 16200301 2
WING NUT 19A00301 3
LEVELING PAD 19A00401 4
HEX HD. BOLT (5) (M6 X 1.0-30) 2601BBDA43 5
FLAT WASHER (5) (GAUGE 6 X 18-1.5) 2601MBDN31 6
BRACKET-TILT 19A05001 7
HEX SOCKET HD. CAP SCREW (2) (M6 X 1.0-16) 2617BBLB21 8
TRUNNION BRACKET 19A05201 9
TILTING SCALE 19A05301 10
CR. RE. PAN HD. SCREW (3) (M5 X 0.8-16) 2668BBDA25 11
HEX. SOC. HD. CAP BOLT (M8 X 1.25-40) 2602BBLA59 12
TRADE MARK LABEL 19A05601 13
TABLE 19A05701 14
INSERT 11A02501 15
HOUSING RIGHT 19A10001 16
CLAMP CORD (4) 19A10101 17
CR. RE. PAN HD. SCREW (4) / CR. RE. TRUSS HD. TAPPING (M5 X 0.8-10) 2668BBDA32 18
SCREW (M4 X 16-16) 2653MZDE14 19
EXTERNAL TOOTH LOCK WASHER (GAUGE 4) 2504MZC004 20
NUT CHUCK (M6 X 1.0 T=6) 2705FBD106 21
HEX SOC. HD. CAP SCREW (2) (M6 X 1.0-20) 2617BBLB22 22
PLUNGER HOUSING 19A10701 23
FLAT WASHER (GAUGE 6 X 18-1.5) 2501MBDN31 24
SHAFT PIVOT 19A10901 25
MOTOR 8586C28926 26
ECCENTRIC ASSEMBLY 19A12202A1 27
WASHER 14701101 28
NUT CHUCK (M5 X 0.8 T = 5) 2705FBD105 29
BEARING SEAT ASSEMBLY 19A12601A1 30
BUSH (2) 19A13101 31
HEX SOC. HD. CAP BOLT (M5 X 0.8 - 35) 2602BBLB30 32
POINTER 19A14001 33
CR. RE. PAN HD. SCREW (M5 X 0.8-12) 2568BBDA24 34
HEX SOC. SET SCREW (M8 X 1.25-8) 2603BDLA52 35
SPRING 13108501 36
STEEL BALL 2983AL5010 37
PLUNGER HANDLE 11A00101 38
FLAT WASHER (GAUGE 6 X 18 - 1.5) 2501MBDN31 39
COMPRESSION SPRING 14403301 40
TENSION HANDLE 11A00401 41
CAUTION LABEL 11A03401 42
WAVE WASHER 2506MBN608 43
NUT CHUCK (M8 X 1.25 T=8) 2705FBD108 44
HEX SOC. HD. CAP SCREWS (3) (M6 X 1.0-16) 2617BBLC21 45
LABEL 10216715 46
RETAINING RING 18515401 47
CR.RE. PAN HD. SCREW (M4 X 0.7-6) 2666BBDA06 48
BELLOWS 16721602 50
PLUG HOUSING 16721902 51
CR. RE. COUNT HD. SCREW (2) (M5*0.8-12) 2636BBDA24 52
PVC HOSE 16730001 53
AIR DUCT ASSEMBLY 16730102A1 54
HOUSING 19A20001 55
CR. RE. PAN HD. SCREW (4) (M5 X 0.8-50) 2668BBD894 56
CR.RE. PAN HD. SCREW (2) (M5 X 0.8-10) 2668BBDA32 57
BLADE BOX 19A20301 58
CR. RE. PAN HD. SCREW (2) (M5X0.8-20) 2668BBDA27 59
DUST SHIELD (4) 18402702 60
CR. RE. TRUSS HD. SCREW (2) (M5 X 0.8-8) 2637BBDA23 61
SUPPORT ROD 19A20701 62
HEX. SOC. SET SCREW (2) (M6 X 1.0-7) 2603BBLA36 63
PLUNGER HOUSING 11A10701 64
CLAMP PLATE 109A20P1 65
LABEL 19A21101 66
TRADE-MARK LABEL (2) 19A21201 67
PLATE COVER 19A21801 68
CLAMP HANDLE 11A11001 69
QUICK RELEASE ASSEMBLY 19A25801A1 70
HEX SOC. HD. CAP BOLT (2) (M4 X 0.7-10) 2602BBLA08 71
SPRING WASHER (2) 2502ABC401 72
SET PLATE (2) 14706601 73
UPPER ARM ROCKER ASSEMBLY CR. RE. PAN HD. ROUND NECK 16704201A1 74
SCREW (2) (M4 X 0.7-7.5) 2676BBDAA3 75
EXTENSSION SPRING 18102001 76
BOTTOM ARM ROCKER 19A26701 77
BEARING SEAT 15802301 78
N/A N/P 79
BLADE 15802103 80
BLADE 15802104 81
HOLDER BLADE ASSEMBLY (2) 17104404A3 82A
BOLT CLAMP (2) 19610202 83
N/A N/P 84
N/A N/P 85
N/A N/P 86
CONNECTOR BOX 19A31001 87
CR. RE. TRUSS HD. SCREW (M4 X 0.7-16) 2637BBDA10 88
CONTROLLER ASSEMBLY 19A31201A1 89
SPEED POTENT 26S9 89A
CR. RE. PAN HD. TAPPING SCREW (4) (M3 X 24-6) 2660MBCE01 90
CONNECTOR BOX COVER 19A31401 91
CR. RE. PAN HD. TAPPING SCREW (4) (M4 X 10-25) 2660PBCK23 92
CIRCUIT BREAKER SWITCH 2853D55714 93
STRAIN RELIEF 2801UBHA07 94
WRENCH HEX 2136MBL703 95
LEAD WIRE ASSEMBLY 28065558AL 96
POWER CABLE 2807BB08HB 97
SWITCH BOX 19A35001 98
CR. RE. PAN HD. SCREW (3) (M5 X 0.8-20) 2668BBDA27 99
LINKAGE BAR 0ZWS None
SWITCH BOX COVER 19A35202 100
ROCKER SWITCH 2852U55721 101
CR. RE. PAN HD. SCREW (2) (M5 X 16-35) 2660PBCK30 102
PUSH BUTTON 19A35501 103
INDICATED BUTTON 11A25901 104
WAVE WASHER 2506MBN606 105