Mittler Bros Machine & Tool 400-VSUADJ - Manual (Page 18)

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23.
Remove snap ring on each side of lower bronze nut.
24.
Remove bronze nut from housing and discard.
25.
Install new bronze nut (left hand thread) in lower mounting block.
26.
Install new snap ring on each side of bronze nut.
27.
Use 1/8” drill bit and drill point the bronze nut through the set screw hole in mounting block – Do
Not drill through bronze bushing.
28.
Install/Tighten set screw – use 1/8” Allen wrench.
29.
Remove Nylok nut from lower hand wheel – use ¾” socket.
30.
Remove hand wheel from shaft.
31.
Remove acme screw from bronze bushing and mounting block.
32.
Replace bronze bushing in lower mounting block – shoulder to the inside of mounting block.
33.
Install new acme screw in bronze bushing (left hand thread).
34.
Install new bronze washer over shaft on outside of mounting block.
35.
Install hand wheel and Nylok nut – Tighten until clearance between hand wheel and block is
removed – DO NOT over tighten
36.
Install slide gib block onto lower gibs on base plate – NOTE: Left hand thread bronze nut to be on
bottom for in-to-out movement.
37.
Thread lower acme screw into bronze nut – turn counterclockwise until seated against front
bushing block.
38.
Install and adjust lower slide block screws (2) on right hand side until smooth in-to-out movement
of table is achieved – CAUTION DO NOT over tighten - Adjust so have slight drag on slide blocks.
(page 9 step 4)
39.
Tighten 5 left gib 5/16” socket head cap screws on underside of base plate.
40.
Install vise-mounting plate onto bronze gib block.
41.
Thread upper acme screw into bronze nut – turn counterclockwise until seated against bushing
block on right side.
42.
Install and adjust upper slide block screws (2) on back side until smooth movement of table is
achieved – CAUTION DO NOT over tighten - Adjust so have slight drag on slide blocks.
(page 9 step 4)
43.
Tighten 5 gib mounting 5/16” socket head cap screws on front of vise mounting plate.
44.
Install 6” x 6” bronze gib block guard on backside.
45.
Install vise, tighten bolts and adjust vise. (page 13 step 17)