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Remove and Replace Parts (Fig. A, C)
DCS491
To remove shear head from motor:
1. Loosen three cap screws
wrench
4
provided.
2. Remove shear head
2
nOTE: Slight twisting action may be required if head does
not slide off easily.
To remove cutter blades from shear head:
1. Remove three cap screws
careful not to lose rear spacer bushing when removing
middle cap screw.
2. Remove centre blade
17
gently towards the rear. The side knives
spacers
14
will now drop out of the housing.
To remove eccentric bearing assembly from shaft, use an
appropriate wrench to loosen eccentric nut
anti clockwise.
To install eccentric bearing assembly onto shaft, make
sure the large, thin washer
Screw eccentric bearing assembly onto shaft and tighten with
appropriate wrench. Lubricate bearing
bearing grease.
To install cutter blades into shear housing:
1. Place the side knives
18
in the shear housing
13
2. Insert centre cap screw through side knife and side spacer
with rear spacer bushing between them.
3. Start cap screw into thread just enough to hold blades in
place. DO NOT TIGHTEN.
4. Insert spacer bushing into hole in centre blade and lubricate.
5. Install centre blade into shear housing by tapping blade
gently forward using a drift pin to line up hole in centre
blade with forward holes in housing.
6. Insert and tighten forward cap screw making sure spacer
bushing in centre blade stays in position.
7. Apply a good grade of bearing grease to blade assembly
around middle cap screw/spacer bushing.
8. Insert rear cap screw into shear housing but do not
completely tighten.
To install shear head assembly onto drive motor:
1. With all cap screws loosened by about 3 or 4 complete
turns, place shear head onto unit. nOTE: It may be
necessary to gently tap the shear head into place if it does
not readily slip onto the nose of the power unit.
2. Tighten cap screws snugly to lock head assembly in place.
Remove and Replace Parts (Fig. A, D–F)
DCS496
To remove shear head from motor, loosen the two back cap
screws
20
using the hex wrench
head
2
from the body by pulling head firmly forward. Slight
twisting action may be required if head does not slide off easily.
34
12
using the hex
by pulling head firmly forward.
12
from shear housing
from housing by tapping blade
18
and side
15
by turning
16
is first inserted over shaft.
19
with a good grade of
and side spacers
14
into position
.
4
provided. Remove shear
To remove cutter blades from the shear head, completely
loosen the two cap screws
remove shear head from motor unit. Loosen the tensioning
screw
26
1/2 turn. Completely loosen all three cap screws
and remove head assembly. Turn assembly over and remove top
half of head and then remove the blades.
To replace blades, place lower jaw
(Fig. F). Apply a thin layer of grease from the packet (included)
around the pin and on the top side of the blade. Place upper
jaw
27
onto the pin. Apply the rest of the grease provided onto
the eccentric nut
13
. Being
unit and into the area behind the upper moving blade in the
shear head.
Install replacement washer
top of the moving blade. Place the top half of head
onto bottom half
Reinstall all three cap screws
tighten completely.
Slide shear head back onto motor unit, making sure that the
eccentric nut
is on the motor unit and aligned, tighten all three screws and
follow adjustment procedure below.
To ensure proper blade tension, tighten tensioning screw
by turning clockwise to seat the blades. Next, loosen tensioning
screw by turning anticlockwise slightly to allow blade
movement.
nOTE: The tensioning screw should be adjusted to correspond
to material thickness.
Swivel Head (Fig. A, G, H)
To better accommodate safe cutting at any angle, the shear
head can be easily and quickly repositioned.
1. Press and hold the collar release button
2. Rotate the head and collar
3. Release the collar release button
nOTE: Continue rotating the head until it clicks into the
nearest locking detent position.
To adjust the curl of waste material, the left side knife has
elongated holes. Adjustment may be necessary after changing
blades or material being cut. Loosen cap screws
side knife either forward or backward so that curl of waste does
not hit the shear housing or work material while cutting.
OPERATION
Instructions for Use
WARNING: Always observe the safety instructions and
applicable regulations.
WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack
before making any adjustments or removing/
installing attachments or accessories. An accidental
start-up can cause injury.
Proper Hand Position (Fig. I)
WARNING: To reduce the risk of serious personal injury,
ALWAYS use proper hand position as shown.
12
closest to the collar (Fig. E) and
28
15
(Fig. D) on the output shaft of the motor
22
, cone side up, over the pin on
24
, making sure to align the pin to the hole.
12
and nuts
15
engages the moving blade. Once the head
7
to desired position.
8
.
12
onto two pins
20
23
back
, but DO nOT
25
26
8
.
12
and tap the
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