PARTS LIST FOR
SDR4A
DOUBLE REDUCTION RIGHT ANGLE
HEAVY DUTY
SERIAL "A"
14
14
13
13
12
12
5 5
10
10
11
11
9 9
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
Fig.
Part
No.
No.
Description
1.
75906 Output Bearing Cap
2.
75943 Spacer
3.
75907 Output Shaft (1/4"-28 Thread)
75982 Output Shaft (9/32-40 Thread)
4.
75900 Ball Bearing
5.
SP75912 Gear Set (Includes Figures 3, 5, 12 & 14)
6.
75908 Lock Nut
7.
75983 Ball Bearing
8.
75901 Wave Spring
9.
75913 Retaining Ring
10.
SP75911 Angle Head (Includes 10 & 11)
11.
ESD1333 Grease Zerk
12.
10230 Ball Bearing (2)*
13.
75904 Input Shaft
14.
75947 Steel Spring Pin
15.
75909 Attachment Retainer
16.
75910 Body
17.
10042 Needle Bearing
18.
75903 Clamping Adapter
19.
14394 O-Ring
20.
75944 Retaining Ring
21.
74327 Bearing
22.
75986-1 Gear Carrier (500 & 600 RPM models only)
75986-2 Gear Carrier (700 & 800 RPM models only)
75986-3 Gear Carrier (1000 & 1100 RPM models only)
75986-4 Gear Carrier (1300 & 1700 RPM models only)
23.
74343 Planetary Gear Pin (500, 600, 700, 800, 1000 & 1100 RPM
models only)
74376 Planetary Gear Pin (1300 & 1700 RPM models only)
24.
77187 Planetary Gear Bearing (500, 600, 700, 800, 1000 & 1100 RPM
models only)
25.
74304-16 Planetary Gears (500 & 600 RPM models only)
74304-15 Planetary Gears (700 & 800 RPM models only)
74304-14 Planetary Gears (1000 & 1100 RPM models only)
74304-12A Planetary Gears (1300 & 1700 RPM models only)
26.
74389 Ring Gear
27.
74352 Wear Plate
28.
SP74383A Carrier Assembly (500 RPM models only)
SP74383B Gear Assembly (600 RPM models only)
SP74384A Gear Assembly (700 RPM models only)
SP74384B Gear Assembly (800 RPM models only)
SP74385A Gear Assembly (1000 RPM models only)
SP74385B Gear Assembly (1100 RPM models only)
SP74392A Gear Assembly (1300 RPM models only)
SP74392B Gear Assembly (1700 RPM models only)
29.
77187 Planetary Gear Bearing (500, 600, 700, 800, 1000 & 1100 RPM
models only)
30.
74304-17PM Planetary Gears (500 RPM models only)
74304-16 Planetary Gears (600 & 700 RPM models only)
74304-15 Planetary Gears (800 & 1000 RPM models only)
74304-14 Planetary Gears (1100 & 1300 RPM models only)
74304-12A Planetary Gears (1700 RPM models only) (Includes 74380)
31.
74390 Ring Gear
32.
74351-6 Sun Gear
(800, 1000, 1100 & 1300 RPM models only)
Form ZCE846
SERIES DRILLS
16
16
15
15
57
57
27
27
26
26
25
25
24
24
23
23
22
22
43
43
41
41
42
42
39
39
40
40
39
39
37
37
38
38
21
21
20
20
18
18
19
19
17
17
34
34
57
57
33
33
31
31
32
32
30
30
29
29
28
28
49
49
44
44
48
48
45
45
47
47
46
46
Fig.
Part
No.
No.
74379 Sun Gear
33.
74321 Wear Plate
34.
65470 Ball Bearing
35.
74337 Front End Plate
36.
ME9A14 Steel Ball
37.
74333-7 Rotor (500 RPM models only)
74333-9 Rotor (600, 700 & 1700 RPM models only)
74333-6S Rotor (800, 1000,1100 & 1300 RPM models only)
38.
SP74303 Vane Set
39.
74346 Roll Pin (2)*
40.
SP74367 Cylinder
41.
74366 Rear End Plate
42.
74364 Ball Bearing
43.
21529 Snap Ring
44.
74400 Straight Housing
45.
74018 Torr Pin
46.
FAR25-11A Lever
47.
SPPT100-300 Locking Lever Assy
48.
76030 Roll Pin
49.
74402 Grip
50.
IM3100-22 Valve Seat
51.
SDR-20 Tipper
52.
41217 Spring
53.
69007 O-Ring
54.
76025 Muffler Material
55.
74403 Exhaust Plate
56.
66244R Adapter
57.
30375 Grease Fitting (2)*
Not Shown:
Non-Reversing Motor Assembly (Includes Figures 34-43)
SP74333-7NA (500 RPM models only)
SP74333-9NA (600, 700 & 1700 RPM models only)
SP74333-6SNA (800, 1000, 1100 & 1300 RPM models only)
SP76002 Heavy Duty Right Angle Attachment 1/4"-28 Thread
SP76005 Heavy Duty Right Angle Attachment 9/32"-40 Thread
SP75986-1 Gear Assembly (500 & 600 RPM models only)
SP75986-2 Gear Assembly (700 & 800 RPM models only)
SP75986-3 Gear Assembly (1000 & 1100 RPM models only)
SP75986-4 Gear Assembly (1300 & 1700 RPM models only)
31
*Order Quantity As Required
FURNISH CATALOG, SERIAL,
AND MODEL NUMBER
WHEN ORDERING PARTS
36
36
35
35
53
53
52
52
51
51
50
50
Assembly Requirements
Fig.
Torque / Specification
1
50-60 in-lbs
6
40-50 in-lbs
10
15-20 ft-lbs
15
50-60 in-lbs
18
15-20 ft-lbs
26
15-20 ft-lbs
31
15-20 ft-lbs
56
20-25 ft-lbs
Description
(1700 RPM models only)
(Includes Figures 39 & 40)
(Includes Figures 1-17)
(Includes Figures 1-17)
(Includes Figures 19-25)
(Includes Figures 19-25)
(Includes Figures 19-25)
(Includes Figures 19-25)
56
56
55
55
54
54
Threadlocker
Loctite 243
Loctite 243
Loctite 243
None
Loctite 243
Loctite 243
Loctite 243
Loctite 243
2021June15/C
Date