Replacing The Line; Service And Maintenance; Trouble Shooting - Makita UM3830 Instruction Manual

Replacing trimmer line
Before replacing the trimmer line, always switch off the
motor and disconnect the power cable!
2
B
Removing line remnants
- Turn the spool button (B/1) counter-clockwise until the
remaining line (B/2) is pulled all the way into the housing.
- Pull old trimmer line up and out of the trimmer head. Use
suitable pliers or a small screwdriver to get a grasp on it if
necessary.
- Cut line (dia. 2 mm x 15 m, order No. 369 224 660) to about
3.5 meters (6.5') length.
Servicing and maintenance
We recommend that a comprehensive maintenance and in-
spection be performed at regular intervals. Any maintenance
or adjustment work not described in this manual may be
performed only by a MAKITA service location.

Trouble shooting

Fault
Motor doesn't work
Poor peformance
Trimmer head does not rotate
Poor trimming results
Trimmer line cannot be
Adjusted during operation
1
2
Cause
No power supply
Cable defective, plug defective,
ON/OFF switch defective, motor defective
Carbon brushes worn
Grass or debris blocking the head
Flexible shaft in shaft tube defective
Tirmmer line too short
Tirmmer line too short
Tirmmer line used up
Tirmmer line improperly wound
Dirty
6
4
3
C
Putting in new line
- Turn the spool head (B/1) until the arrows on it (C/3) line up
with the arrows on the housing cover (C/4).
- Insert one line end through each of the line guides (C/5),
until the ends come out on the side of the two line bushings
(C/6).
- Pull the line ends out evenly on each side until the middle of
the line is again tight against the top of the spool button.
- Now wind up the trimmer line by turning the spool button
(B/1) counter-clockwise.
Cleaning the trimmer head
- Clean all parts with a soft brush.
- If the head is very dirty, you can clean it with compressed
air.
CAUTION: Wear eye protection!
Service
Remedy
Connect to power source
Check fuse
Have repaired
Have repaired
Clean
Have repaired
Adjust
Adjust manually
Replace
Rewind
Clean
5
6
23