Bluerock Tools 808 series User manual

SERVICE MANUAL V1.0
808 Series Wire Strippers (Includes MWS-83MD, MWS-808,
MWS-808D, MWS-808PD & MWS-808PMO)
Removing/Replacing Blades
CAUTION!! IMPORTANT!! DANGER!! WARNING!!
IF MOTORIZED MACHINE, DISCONNECT MACHINE FROM POWER
BEFORE PROCEEDING!!
Estimated Completion Time: 25 Minutes
Tools Required
17mm Wrench
Adjustable Wrench
Flat punch
Rubber Mallet
Bearing Puller (See Pictures)
© THE NEWMAN TRADING COMPANY LLC DBA BLUEROCK® TOOLS 2018
1100 SW 16 St • Suite D Renton, WA 98057
Phone [phone] • Fax [phone]
www.bluerocktools.com

1. Remove the 2 T-handle bolts from the top of the machine.
2. Remove 2 sets of springs and spring caps from the machine.

3. Use a 17mm wrench to remove the 4 top bolts from the machine.
4. Carefully lift the top cover away from the machine. Be sure to remove 4 spacer tubes and
2 flat brackets as shown.

5. Very carefully lift the blade roller assembly straight up from the machine and set on a flat
piece of wood.
6. Use a bearing puller to remove the bearing housing as shown.

7. Use the bearing puller to remove the bearing from the blade shaft.
8. Use a marker to number the blade spacers for use during reassembly.

9. Place a flat punch against the spanner nut as shown.
10. Very carefully hold the blade assembly and tap the punch with a hammer until the nut is
loose. Note: This nut is standard thread, loosen by spinning counterclockwise.
11. Remove the spanner nut, washer, blades, and blade spacers from the shaft.

Reassembly
12. Alternate placing new blades and blade spacers on the shaft in the order they came off
starting with a blade.
13. Replace the spanner nut and tighten with the same method used to remove it.
14. Thoroughly clean the mating surfaces between the bearing housing, bearing, and blade
shaft. Lubricate each of these surfaces with a thin coat of grease.
15. Set the bearing housing on a flat piece of wood with the bearing aligned on top of it. Use
a rubber mallet to seat the bearing in the housing.
16. Carefully hold the blade shaft vertically on a piece of wood and align the bearing with the
end of the shaft. Use a rubber mallet to seat the bearing on the shaft.

17. Very carefully set the upper blade roller into the machine. Important: Be sure the set
screws are facing up as shown.
18. Set the top cover in place with 2 flat brackets 4 spacer tubes aligned under it. Insert 4
bolts through the holes in the top cover as shown and use a 17mm wrench to tighten.

19. Set the 2 sets of springs and spring caps in place over the set screws as shown with a
small spring inside each large spring.
20. Screw 2 T-handle blots into the flat brackets as shown until the small springs below the
roller are depressed. Tighten each bolt an additional quarter inch to set default spring
tension.

Blade Alignment Adjustment
21. Use a 14mm wrench to loosen the locknuts and blade alignment bolts on each side of the
machine as shown. Note: This is only necessary if the blades and cutting channels are
misaligned.
22. Move the top roller so the blades are centered in the cutting channels.
23. Tighten each of the alignment bolts only until they touch the roller housings.
24. Back each bolt out a half turn to allow room for movement and then tighten each locknut.