| Dwg | B&S no. | Description | Order no. |  | | | | L | | Tesatast and Bestest contact points (see page 21) | | 2 | 99-7029-22 | screw, bridge/mvmt (M1.6 x 2.5) | 008884 | 3 | | mounting plate (flange) | 023041 | 4 | 99-7029-16 | disc, movement | 023042 | 5 | 99-7029-18 | ring spring for disk | 023043 | 6 | 99-7029-1 | bezel 28mm | 023003 | 7 | 99-7031-200 | bezel 38mm | 023004 | 8 | 99-7029-7 | hand 28mm | 023035 | 9 | 99-7031-201 | hand 38mm | 023036 | 10 | 99-7029-10 | spacing ring 28mm, white | 023039 | 11 | 99-7031-204 | spacing ring 38mm, white | 023040 | 12 | 99-7029-24 | screw, adjustment | 023052 | 13 | 99-7029-15 | ball bearing spanner nut | 022318 | 14 | 99-988-30 | ball bearing, screw type | 017203 | 15 | 99-7029-17 | ball bearing, press type | 022313 | 16 | 99-7029-23 | screw, cover | 023051 | 17 | 99-7029-20 | cover | 023045 | 18 | 99-7030-201 | pivot metric | 023011 | 19 | 99-7032-200 | pivot .0001” (and long point .0005” models) | 023012 | 20 | 99-7029-2 | pivot .0005” | 023013 | 21 | 99-7029-5 | lever .0005” (0,01 mm) | 023028 | 22 | 99-7032-203 | lever .0001” (0,002 mm) | 023027 | 27 | 99-7029-19 | hair spring | 023044 | 27 | | hair spring & pinion assembly (vertical) see notes | 023042-AV | 28 | 99-7029-8 | crystal 28mm (see notes) | 023047 | 29 | 99-7031-202 | crystal 38mm (see notes) | 023048 | 30 | | center pinion, vertical models | 023025 | 31 | | jeweled plate with four posts, vertical model | 023007 | 32 | 99-7029-21 | screw, mvmt top plate (M1.4) | 023050 | 33 | 99-7029-6 | gear rack .0005” | 023030 | 34 | 99-7032-204 | gear rack .0001” | 023029 | 35 | | jeweled plate with return spring, vertical model | 023008 | 36 | 99-7029-4 | gear crown .0005” | 023021 | 37 | 99-7032-202 | gear crown .0001” | 023020 | 40 | 99-7029-49 | hair spring stud | 023038 | 41 | 99-7021-106 | anti-shock spring | 023413 | 42 | | dial Bestest 7037-3 | 023083 | 47 | | other Bestest and Tesatast dials on request | | 48 | | wrench for contact point | 01860307 | Take note of the part number of the items you need and then go to Price List and Order Page
| Notes |
Putting a new hair spring in place can be quite a challenge, so we've made it easy for you by offering a completed assembly which includes parts #4, #27 and #30. All you have to do is screw it back onto the indicator. Make sure you select the correct horizontal or vertical style assembly (see item #27 above).
The old crystals are removed with a special tool which acts like a suction cup. You can improvise other methods but you're likely to cause damage. Often times the new crystal, which is slightly convex, can be snapped in by hand, but even here, we use special equipment to avoid damage to the indicator. It's best to leave this to someone with the right tools. Unlike many other test indicators, the bezel can not be removed without complete disassembly.
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