DeWalt D28490 Instruction Manual page 10

When using the grinder for cutting metal or masonry a Type 1 guard MUST
be used. Type 1 guards are available at extra cost from D
NOTE: Please refer to the Grinding and Cutting Accessory Chart at the
end of this section to show other accessories that can be used with these
grinders.
1. Place the angle grinder on a table, spindle (D) up.
2. Align the lugs (N) with the notches (O).
3. Press the guard (E) down and rotate it to the required position.
4. Securely tighten the screw (F).
5. To remove the guard, slacken the screw.
If the guard cannot be tightened by the
CAUTION:
adjusting screw, do not use the tool. To reduce the risk of
personal injury, take the tool and guard to a service center
to repair or replace the guard.
Fitting and Removing a Grinding or Cutting Disc (fig. 1,
4, 5)
Do not use a damaged disc.
WARNING:
1. Place the tool on a table, guard up.
2. Fit the backing flange (J) correctly onto the spindle (D) (fig. 4).
3. Place the disc (O) on the backing flange (J) (fig. 5). When fitting a disc
with a raised centre, make sure that the raised centre (P) is facing the
backing flange (J).
4. Screw the threaded clamp nut (L) onto the spindle (D) (fig. 6):
a. The ring on the threaded clamp nut (K) must face towards the disc
when fitting a grinding disc (fig. 5a);
b. The ring on the threaded clamp nut (K) must face away from the disc
when fitting a cutting disc (fig. 5b).
5. Press the spindle lock button (C) and rotate the spindle (D) until it locks
WALT distributors. in position.
e
6. Tighten the threaded clamp nut (K) with the two-pin spanner supplied.
7. Release the spindle lock.
8. To remove the disc, loosen the threaded clamp nut (L) with the two-pin
spanner.
Fitting and Removing a
Backing pad/Sanding sheet
(fig. 1, 4, 6)
1. Place the tool on a table or flat surface, with the guard facing up.
2. Remove the backing flange (J).
3. Place the rubber backing pad correctly onto the spindle (D).
4. Place the sanding sheet on the rubber backing pad.
8
FIG. 4 FIG. 5
a.
I
K
b.
J
K
O
P
D
J
K
O
P
D
J