operation instructions
page 9 of 12
Model BR--5 / 5A / 5B / 5D
®
JARVIS
6211003;
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457--4926
UNITED STATES OF AMERICA E--MAIL.
TEL. 860--347--7271 FAX. 860--347--6978 WWW. j
arvisproducts.com
2.15 Line up the pawl (item 94) between the second
and third tooth on the dehider blade.
2.16 Pivot the indexing arm assembly (30, 43, 47--57)
towards the grinding wheel (item 5). Allow the
blade to make contact with the grinding wheel
(item 5).
2.17 Rotate the dehider blade one tooth (see step
2.11).
2.18 Repeat steps 2.16-2.17 for remaining teeth on
the dehider blade.
2.19 Turn off the electric switch (item 37).
2.20 Remove dehider blade and replace with un-
sharpened, un--dubbed dehider blade. See notes
below:
2.20.1 Follow steps 2.1--2.5, pages 7 and 8.
2.20.2 Follow step 2.6.1. on page 8.
Note:
If you
adjusted for a lighter or heavier dub on the
previous blade of the set, the red dot must be
realigned with the reference line on the
bushing.
2.20.3 Do not follow step 2.6.2. on page 8.
Note:
The adjusting screw must be kept in the
same position for both blades in the set.
2.20.4 Follow steps 2.7--2.8, page 8.
2.20.5 Do not follow step 2.9, page 8.
Note:
The
adjusting screw must be kept in the same
position for both blades in the set.
2.20.6 Follow steps 2.10--2.19, pages 8 and 9.
2.21 On newer models, the step on blade holder shaft
(item 90) has been lengthened to allow dubbing
of both blades at the same time. If your blade re-
conditioner has this longer step, the second
sharpened blade can be placed, hollow side
down, on top of the first blade. Complete dub-
bing by following steps 2.13--2.19.
3
Deburring:
3.1 Deburr dehider blade:
3.1.1 Follow steps 1.1--1.4, page 7.
3.1.2 Push the hollow grind handle assembly
(item 31 ) against the hollow grind wheel
(item 27 ) for about a tenth (
1
/
10
) of a se-
cond.
3.2 Repeat steps 3.1.1--3.1.2 with the remaining de-
hider blade.
3.3 Turn off the electric switch (item 37).
OPERATION INSTRUCTIONS -- 2
Note: If you have a new blade set or a blade set that has
been previously sharpened on a BR-5 / BR-5A
/BR-5B, please return to “OPERATION INSTRUC-
TIONS - 1.”
Note: Always keep dehider blades as a matched set.
Refer to parts diagram and parts list, pages 4 through 6
for referenced items.
1
Hollow Grind:
1.1 Follow hollow grind instructions 1.1--1.8, page
7.
2
Sharpening: For blade sets previously sharpened
on other machines.
2.1 Apply machinist blue (dye) to the teeth of both
blade halves to be resharpened.
2.2 Place the blade with the hollow side up on blade
shaft (item 90).
2.3 Pull index handle (item 83) and rotate blade
shaft (item 90) to engage pawl (item 94) in one
of four detent holes.
For BR--5D only:
Depress and hold locking pin (item 106) and ro-
tate blade shaft (item 90) until pin engages one
of the four detent holes.
2.4 Tighten dehider blade in place with blade retain-
ing knob (item 91).
2.5 Rotate the index block assembly into bottom
position and lock it in place with knob (item 76).
Refer to Figure 2, page 8.
2.6 Position red dot on the dub adjustment bushing
(item 101) in line with the reference line on
bushing (item 99).
2.7 Turn on the electric switch (item 37).
2.8 With the pawl (item 94) completely disengaged
from any teeth, line up the first tooth to the left
of the blade cut--out with the grinding wheel.
2.9 Bring the tooth toward the grinding wheel (item
5) by pivoting the indexing arm assembly.
2.10 Turn the adjusting screw (item 103) counter--
clockwise until the blade tooth contacts the
wheel (item 5).
