
ISO 9001 CERTIFIED- 802 Clearwater Loop, Post Falls, ID 83854, Phone: 800 854-6019, 208 773-8048, FAX: 208 773-3021, www.tapmatic.com
IDENT PART NAME 30TC/DC 50TC/DC 70TC/DC
1Housing - #6JT 54301 B (1) 54501 B (1) -
1Housing - DINB16 54301 G (1) 54501 G (1) -
1Housing - #33JT 54301 E (1) 54501 E (1) -
1Housing - DIN B 12 54301 F (1) - -
1Housing - 5/16-24 54301 H (1) - -
1Housing - 3/8-24
54301 I (1)
54501 I (1) -
1Housing - 1/2-20 54301 J (1) 54501 J (1) 54701 J (I)
1Housing - 5/8-16 54301 K (1) 54501 K (1) 54701 K (1)
1Housing - 3/4-16 54301 L (1) 54501 L (1) 54701 L (1)
1Housing - 7/8-20 - - 54701 M (1)
1Housing - #3JT - - 54701 C (1)
2X Clutch Adjustment Cap 50302 A (2) 56502 A (2) 50702 A (2)
3X Spring Plate 50303 56503 50703
4X Driver Pins 50304 (3 required) 50704 (3 required) 50704 (3 required)
5X Lock Set Screw 50305 A (3) 50305 A (3) 50305 A (3)
5XX Lock Set Screw Plug 503051 503051 503051
6X Guide Spindle 503061 56506 51720
6XX Upper Spring Hanger - -
60334
7X Clutch Sleeve 50307 50507 50707
8X Clutch Bearing 50308 56508 50708
9X Gear Carrier Bearing (Ball) - 50509 50709
9XA Gear Carrier Bearing (Nylon) 503091 - -
9XX Truarc Ring - 505091 507091
11X Retaining Ring 50311 50511 50711
11XX Gear Washer 503111 505111 507111
12XA Reversing Sleeve 503121 (4) 505121 (4) 507121 (4)
12 XA I Reversing Driver Spring 51312 505122 507122
13X Gear Carrier 503131 54513 54713
14X Drive Spindle 54314 A (5) 54514 A (5) 54714 A (5)
15X Back Jaw Retainer Screw
50715 (2 required) 50715 50715
16X Back Jaw or Tap Jaw 503161 56516 50716
17X Rubber Flex Collet (small)
21600
22100 24100
17XX Rubber Flex Collet (large)
21700
22200 24000
18X Tap Chuck Nut 50318 56518 50718
19X Key 50319 50319 50719
20X Stop Ring 50320 56520 50720
21X Adjustment Thrust Bearing -
565211+68439 (12 req) 64521+692205 (8 req)
22X Clutch Spring (large) 50322 (3 required)
50722 (9 required)
50722 (9 required)
23X Clutch Spring (small) 50323 (3 required 50723 (9 required) 50723 (9 required)
26X Cushion Spring 50326 565261 50726
27X Spring Cup Driver 503271 505271 507271
27XA Reversing Driver 503272 505272 507272
28X Drive Pins 50328 (3required) 56528 (3 required) 50728 (3 required)
29X Guide Spindle Bearing 50329 56529 50729
30X Return Spring 51328 51528 51628
31X Drive Spindle Bearing -(4) -(4) -(4)
32X Stop Arm 50332 56532 50732
33X Guide Spindle Washer 50333 - -
34X Guide Spindle Nut 503341 56534 -
34XA Spring Bearing - - 50734
34XX Spring Bearing Hanger - - 50706
35X Ring Gear 50335 50535 50735
36X Gear Pins 50336 (3 required) 50536 (3 required 50736 (3 required
37X Planet Gears 50337 (3 required) 50537 (3 required) 50737 (3 required)
38X Spacer (and Truarc Ring) 50338 54538 and 56511 54738 and 50611
39X Thrust Washer 50339 50539 50739
40X Truarc Ring 50340 56540 50740
41X Clutch Driver 50341 56541 50741
42X Primary Internal Clutch Plate 50342 56542 50742
42XX Internal Clutch Plate 503421 565421 (2 required 507421 (2 required)
43X External Clutch Plate 50343 56543 (2 required) 50743 (2 required)
44X Clutch Discs 50344 (3 required) 56544 (5 required) 50744 (5 required)
46XA Reversing Sleeve Bushing 503461 505461 507461
47X Friction Washer 50347 50547 50747
48X Depth Control Collar 50348 50548 50748
49X Lock Set Screw 50305 50305 50305
(1) Housing only available as an assembly with Ident. #4X and #6X.
(2) Clutch Adjustment Cap only available as an assembly with Ident #5X and #5XX.
(3) Lock Set Screw comes with Ident. #5XX.
(4) Reversing Sleeve and Drive Spindle Bearing available only as an assembly.
(5) Drive Spindle only available as an assembly with Ident. #29X.
INSTRUCTIONS FOR DISASSEMBLY
1. Remove stop ring (#20X) and unscrew clutch adjustment cap (#2X).
2. Hold unit in vertical position and remove adjustment thrust bearing (#21X). (Models
50 &70TC/DC.)
3. Lift off spring plate (#3X).
4. Carefully invert unit over a clean receptacle. Clutch springs (#22X & 23X) will drop out.
5. Remove tap chuck nut (#18X) and collet (#17X).
6. Remove back jaw retainer screw (#15X).
7. Remove back jaw (#16X).
8a. Remove return spring (#30X) by threading spring puller (supplied with unit) into
tapped hole in part (#34XX), and pulling out to expose spring for removal with spring hook
(also supplied with unit). (Model 70TC/DC.)
8b. Unscrew guide spindle nut (#34X) and remove return spring (#30X).
(Models 30 &50TC/DC.)
9. Remove truarc ring (#40X) and stop arm (#32X).
10. Remove truarc ring (#11X) and gear washer (#11XX).
11. Lift out drive spindle (#14X) and reversing sleeve (#12XA) subassembly from unit.
12. Lift out spacers (#46XA) and (#38X).
13. Lift out clutch sleeve (#7X), clutch driver (#41X), clutch plates (#42X, 42XX, 43X)
and clutch discs (#44X).
14. Lift out cushion spring (#26X) and spring cup driver (#27X).
15. Remove driver pins (#28X) from drive spindle (#14X).
16. Press drive spindle (#14X) out of reversing sleeve (#12XA) subassembly.
17. Do not disassemble planetary gear reversing subassembly (#13X).
REPLACEMENT OF FRICTION WASHER #47X
1. Remove tap chuck nut (#18X.)
2. Unscrew depth control collar all the way off.
3.) Using small screwdriver, flip out used washer (#47X) and insert new one.
INSTRUCTIONS FOR ASSEMBLY
1. Clean and lubricate all parts requiring lubrication thoroughly. Do not get clutch parts wet or oily.
2. Place internal clutch plate (#42X) on clutch sleeve (#7X), then clutch disc (#44X),
then external clutch plate (#43X), then another clutch disc (#44X), then internal clutch plate
(#42XX), and so forth, until you have all plates and discs on clutch sleeve, then line up external
dogs so that you can slip clutch driver (#41X) over complete subassembly.
3. Place cushion spring (#26X) and spring cup driver (#27X) in clutch sleeve (#7X).
4. Insert clutch sleeve (#7X) and clutch driver (#41X) subassembly into housing (#1X), making
sure that 3 holes in clutch driver mate with 3 pins in housing (#1X).
5. Insert spacers (#46XA) and (#38X) into housing (#1X).
6. Press drive spindle (#14X) into reversing sleeve (#12XA) subassembly and insert drive pins
(#28X).
7. Insert complete subassembly into housing (#1X) utilizing key (#19X).
8. Insert gear washer (#11XX) and snap in truarc ring (#11X).
9. Hook return spring (#30X) to spring hanger (#6X) and insert this subassembly into neck end of
housing (#1X) making certain spring hanger is seated properly. (Model 70TC/DC.)
10. Use spring hook (supplied with unit) to expose return spring (#30X) and attach spring
bearing hanger (#34XX) with bearing (#34XA) mounted. (Model 70TC/DC.)
11a. Thread spring puller (supplied with unit) into tapped hole in spring hanger (#34XX) and
carefully lower assembly into drive spindle (#14X) until bearing (#34XA) seats itself, then
unscrew spring puller. (Model 70TC/DC.)
11b Insert return spring (#30X) into drive spindle (#14X) and screw guide spindle nut on
to guide spindle (#6X). (Models 30 & 50TC/DC).
12. Place back jaws (#16X) in drive spindle (#14X) and install back jaw retainer screw (#15X).
13. Insert collet (#17X) into tap chuck nut (#18X) and screw tap chuck nut (#18X) on to
drive spindle (#14X).
14. Insert clutch springs (#22X & 23X) into unit.
15. Place spring plate (#3X) on springs.
16. Place adjustment thrust bearing (#21X) on spring plate (#3X). Models 50 & 70TC/DC.)
17. Screw on clutch adjustment cap (#2X).
18. Install stop ring (#20X).
19. Install stop arm (#32X) and snap on truarc ring (#40X).
7
Parts Listing: 30, 50 & 70TC/DC Self-Reversing Tapping Units