PARTS LIST FOR
DOUBLE REDUCTION, REVERSING
*Order Quantity As Required
FURNISH CATALOG, SERIAL,
AND MODEL NUMBER
WHEN ORDERING PARTS
13
12
11
7 8
6
5
4
3
2
1
Fig.
Part
No.
No.
Description
1.
57250 Chuck Screw
2.
SP21019B 1/4" Chuck 3/8"-24
3.
74320-1 Gear Case Cap
4.
74327 Ball Bearing
5.
SP74386A Gear Carrier (300 & 400 RPM models only)
(Includes Figures 4-8)
SP74387A Gear Carrier (500 & 600 RPM models only)
(Includes Figures 4-8)
SP74388A Gear Carrier (700 & 800 RPM models only)
(Includes Figures 4-8)
SP74391A Gear Carrier (1000 & 1200 RPM models only)
(Includes Figures 4-8)
6.
74343 Pin (3)* (300, 400, 500, 600, 700 & 800 RPM models only)
74376 Pin (3)* (1000 & 1200 RPM models only)
7.
77187 Bearing (3)* (300, 400, 500, 600, 700 & 800 RPM models only)
8.
74304-16 Planet Gear (3)* (300 & 400 RPM models only)
74304-15 Planet Gear (3)* (500 & 600 RPM models only)
74304-14 Planet Gear (3)* (700 & 800 RPM models only)
74304-12A Planet Gear & Bushing (3)* (1000 & 1200 RPM models only)
9.
74389 Gear Case
10.
77117 Support Handle Ring
11.
08229 Socket Cap Screw
12.
09593 Jam Nut
13.
40107 Handle
14.
74352 Wear Plate
15.
SP74383A Carrier Assembly (300 RPM model only)
SP74383B Carrier Assembly (400 RPM model only)
SP74384A Carrier Assembly (500 RPM model only)
SP74384B Carrier Assembly (600 RPM model only)
SP74385A Carrier Assembly (700 RPM model only)
SP74385B Carrier Assembly (800 RPM model only)
SP74392A Carrier Assembly (1000 RPM model only)
SP74392B Carrier Assembly (1200 RPM model only)
16.
77187 Bearing (3)* (300, 400, 500, 600, 700, 800, 1000 RPM models only)
17.
74304-17PM Planet Gear (3)* (300 RPM models only)
74304-16 Planet Gear (3)* (400 & 500 RPM models only)
74304-15 Planet Gear (3)* (600 & 700 RPM models only)
74304-14 Planet Gear (3)* (800 & 1000 RPM models only)
74304-12A Planet Gear & Bushing (3)* (1200 RPM models only)
18.
74390 Gear Case
19.
74351-6 Sun Gear (600 & 700 RPM models only)
74350-6 Sun Gear (800 & 1000 RPM models only)
74379 Sun Gear (1200 RPM model only)
20.
74321 Wear Plate
21.
65470 Ball Bearing
Form ZCE834
SERIES DRILLS,
SDR5P
SERIAL "A"
10
18 19
17
16
15
14
9
29 30
28
27
26
24
23
22
21
20
25
Fig.
Part
No.
No.
22.
74337 Front Endplate
23.
ME9A14 Steel Alignment Ball (3)*
24.
74333-7 Rotor (7 tooth) (300 RPM model only)
74333-9 Rotor (9 tooth) (400 & 500, & 1200 RPM models only)
74333-6S Rotor (6 tooth) (600, 700, 800 &1000 RPM models only)
25.
SP74303 Vane Set
26.
74346 Roll Pin
27.
74331 Cylinder
28.
74345 Roll Pin
29.
74332 Rear End Plate
30.
74344 Ball Bearing
31.
74334 Reversing Plate
32.
21529 Ring
33.
74340 O-Ring (2)*
34.
74339 Reversing Manifold
35.
74330 Housing
36.
67408 Label
37.
74338 Reversing Shuttle
38.
SDR-12 Reversing Mechanism Screw
39.
ME1A189 Compression Spring (2)*
40.
74300G-1 Rubber Grip
41.
74306 Slotted Pin
42.
SDR-25 Roll Pin
43.
21542 C-Clip Retaining Ring
44.
14311 O-Ring
45.
SDR-23 Trigger Sleeve
46.
74313 Trigger
47.
74309 Bell Crank
48.
74307 Solid Pin
49.
74356 O-Ring (2)*
50.
74308 Throttle Body
51.
74311 Throttle Stem
52.
25957 Washer
53.
04205 Valve
54.
66294 Trigger Spring
55.
74335 Exhaust Deflector
56.
69007 O-Ring
57.
66244R Inlet Adapter .
58.
74358 Pad Silencer
59.
74357 Exhaust Stake
Not Shown:
Non-Reversing Motor Assembly (Includes Figures 21-32)
SP74333-7RA.................300 RPM model only
SP74333-9RA.................400, 500 & 1200 RPM models only
SP74333-6SRA...............600, 700, 800 & 1000 RPM models only
SP74330A Reversing Housing Assembly
Chuck Key.......................30000
Side Handle Assembly (Includes Figures 10-13)
77117A
25
38
37
36
35
34
33
31 32
43
44
45
46
Description
(Includes Figures 23, 33-59)
Date
23
39
40
41
42
47
48
49
50
51
52
53
54
55
56
59
57
58
2019December10/F