Maintenance Warning - DeWalt DCST990 Instruction Manual

(12C) of the spool. Align the holding slots (10C) with the two holes
(12A) as close as possible.
13. Push the spool into the spool housing and turn counterclockwise
to lock the spool in place. Ensure the white nub (12B) appears in
the spool window (9B). Make sure the line doesn't unravel and
wrap around the shaft below the spool.
14. Pull both ends of the cutting line to release them from the
holding slots. If the line extends past the cutting blade on the
guard cut the line so it just reaches the blade.
MAINTENANCE
WARNING:
personal injury, turn appliance off and remove battery before
making any adjustments or removing/installing attachments
or accessories.
1. Keep the air intake slots (13A) clean
to avoid overheating.
2. Your trimmer line can dry out over
time. To keep your line in top condition,
store spare line in a plastic, sealable
bag with a tablespoon of water.
3. Plastic parts may be cleaned by
using a mild soap and a damp rag.
4. The line cutter on the edge of the guard can dull over time. It is
recommended you periodically touch-up the sharpness of the
blade with a file.
Cleaning
WARNING:
Blow dirt and dust out of all air vents
with clean, dry air at least once a week. To minimize the risk of
eye injury, always wear ANSI Z87.1 approved eye protection when
performing this.
To reduce the risk of serious
FIG. 13
13A
WARNING:
chemicals for cleaning the non-metallic parts of the appliance. These
chemicals may weaken the plastic materials used in these parts. Use a
cloth dampened only with water and mild soap. Never let any liquid get
inside the appliance; never immerse any part of the appliance into a liquid.
CHARGER CLEANING INSTRUCTIONS
WARNING:
from the AC outlet before cleaning. Dirt and grease may be removed
from the exterior of the charger using a cloth or soft non-metallic
brush. Do not use water or any cleaning solutions.
Replacing Spool Housing (Fig. 14–15)
1. Rotate the spool housing (H) until the hole (14A) in the spindle (14B)
lines up with notch (14C) in the guard (G). A third hole in the motor
housing (14D) will be visible as shown in Figure 14. Insert screwdriver
through each all three holes to prevent the spool housing from turning.
2. Turn the spool housing clockwise as shown in Figure 15.
3. Insert a screwdriver back through the three holes (14A, 14C, and
14D) and thread the new spool housing counterclockwise and
securely tighten onto the bolt (15A) protruding from the trimmer.
FIG. 14
14A
G
14C
14D
14B
H
12
Never use solvents or other harsh
Shock hazard. Disconnect the charger
FIG. 15
15A