PARTS LIST FOR
SDR4A
SINGLE REDUCTION 45o
SERIAL "A"
5 5
7 7
8 8
5 5
4 4
3 3
2 2
1 1
Fig.
Part
No.
No.
Description
1.
76024 Clamp Nut
2.
75938 Output Shaft (1/4"-28 Thread)
75976 Output Shaft (9/32-40 Thread)
3.
75936 Spacer
4.
75926 Ball Bearing (4)*
5.
SP75937 Gear Set
6.
75973 Socket Cap Screw
7.
SP75941 Angle Head (Includes Figures 7 & 8)
8.
ESD1333 Grease Zerk
9.
75933 Input Shaft
10.
75947 Steel Spring Pin
11.
75909 Attachment Retainer
12.
75939 45o Body
13.
10042 Needle Bearing
14.
75903 Clamping Adapter
15.
14394 O-Ring
16.
75944 Retaining Ring
17.
74327 Bearing
18.
SP75931-3A Gear Carrier (2100 RPM models only)
SP75931-3B Gear Carrier (3500 RPM models only)
SP75931-2A Gear Carrier (2500 RPM models only)
SP75931-2B Gear Carrier (4700 RPM models only)
SP75931-1A Gear Carrier (2800 RPM models only)
SP75931-1B Gear Carrier (4100 RPM models only)
SP75931-1C Gear Carrier (5700 RPM models only)
19.
77187 Planetary Gear Bearing (2100, 2500, 2800, 3500, 4100 & 4700
RPM models only)
20.
74304-18 Planetary Gears (2100 RPM models only)
74304-176 Planetary Gears (2500 RPM models only)
74304-17PM Planetary Gears (2800 RPM models only)
74304-16 Planetary Gears (3500 RPM models only)
74304-15 Planetary Gears (4100 RPM models only)
74304-14 Planetary Gears (4700 RPM models only)
74304-12A Planetary Gears (5700 RPM models only)
21.
74389 Ring Gear
22.
74321 Wear Plate
23.
65470 Ball Bearing
24.
74337 Front End Plate
25.
ME9A14 Steel Ball
26.
74333-5 Rotor (2100 RPM models only)
74333-6 Rotor (2500 RPM models only)
74333-7 Rotor (2800 RPM models only)
74333-9 Rotor (3500 & 5700 RPM models only)
74333-6S Rotor (4100 & 4700 RPM models only)
27.
SP74303 Vane Set
28.
74346 Roll Pin (2)*
29.
SP74367 Cylinder (Includes Figures 28 & 29)
30.
74366 Rear End Plate
31.
74364 Ball Bearing
32.
21529 Snap Ring
Form ZCE846
SERIES DRILLS
12
12
11
11
10
10
9 9
4 4
46
46
21
21
20
20
19
19
18
18
33
33
34
34
35
35
17
17
16
16
14
14
15
15
13
13
28
28
26
26
25
25
24
24
23
23
22
22
40
40
39
39
38
38
37
37
36
36
Fig.
Part
No.
No.
Description
33.
74400 Straight Housing
34.
74018 Torr Pin
35.
FAR25-11A Lever
36.
SPPT100-300 Locking Lever Assy
37.
76030 Roll Pin
38.
74402 Grip
39.
IM3100-22 Valve Seat
40.
SDR-20 Tipper
41.
41217 Spring
42.
69007 O-Ring
43.
76025 Muffler Material
44.
74403 Exhaust Plate
45.
66244R Adapter
46.
30375 Grease Fitting
Not Shown:
Non-Reversing Motor Assembly (Includes Figures 23-32)
SP74333-5NA (2100 RPM models only)
SP74333-6NA (2500 RPM models only)
SP74333-7NA (2800 RPM models only)
SP74333-9NA (3500 and 5700 RPM models only)
SP74333-6SNA (4100 and 4700 RPM models only)
SP75994 Compact 45° Angle Attachment 1/4"-28 Thread
(Includes Figures 1-13)
SP75997 Compact 45° Angle Attachment 9/32"-40 Thread
(Includes Figures 1-13)
79315 Flat Wrench 5/16"
30
*Order Quantity As Required
FURNISH CATALOG, SERIAL,
AND MODEL NUMBER
WHEN ORDERING PARTS
31 32
32
30
30
31
28
28
29
29
45
45
44
44
27
27
43
43
42
42
41
41
Assembly Requirements
Fig.
Torque / Specification
1
15-20 in-lbs
6
6-10 in-lbs
7
15-20 ft-lbs
11
50-60 in-lbs
14
15-20 ft-lbs
21
15-20 ft-lbs
45
20-25 ft-lbs
Threadlocker
Loctite 243
Loctite 243
Loctite 243
None
Loctite 243
Loctite 243
Loctite 243
2021June15/C
Date