Echo SRM-280T, SRM-280, SRM-280S User Manual
SRM/PAS/SB BLADE SET-UP GUIDE*
TO USE
THESE BLADES
Pro Maxi-Cut
Grass/Weed
Plastic Cutters
Rigid Plastic
Tri-Cut
Grass/Weed Blade
Metal
Tri-Cut/8 Tooth
Grass/Weed Blade
Metal 80T Brush Blade
Metal 22T Clearing Saw Blade
Handle
Loop Handle, w/or
w/o Barrier Bar
Loop Handle
w/Barrier Bar,
or U-Handle
Loop Handle
w/Barrier Bar,
or U-Handle
U-Handle
Debris Shield Metal Shield Metal Shield Metal Shield Metal Shield
Harness Shoulder Harness Shoulder Harness Shoulder Harness Shoulder Harness****
Upper Plate &
Flat Washer
Upper Plate
& Glide Cup
Upper/Lower
Blade Plates**
Upper/Lower
Blade Plates**
Hex Nut Hex Nut Hex Nut Hex Nut
You
must
install
these
parts!
Blade
Mounting
Hardware
New Cotter Pin*** New Cotter Pin*** New Cotter Pin*** New Cotter Pin***
* WARNING! DO NOT INSTALL BLADES ON GT (CURVED SHAFT) MODEL TRIMMERS
** Arbor diameter of Upper Blade Plate must match arbor diameter of metal blades.
*** New cotter pin required each time blade is installed.
**** Brushcutters over 16.5 lbs (7.5 kg) dry weight (weight w/o fuel) require a double shoulder harness
U-Ha n d l e Ki t in s t a l l a t i o n
i
n s t r U c t i o n s P/N 99944200689
For Models: SRM-280/280S/280T S/N ALL
WARNING
You must install a Barrier Bar or U-Handle Kit and all Blade Conversion parts shown in the following instructions
before operating this unit with blades, otherwise serious injury may result.
IMPORTANT
If non-standard monolament heads, METAL/PLASTIC blades or cultivators etc., are used, THE CARBURETOR
MUST BE RESET or serious engine damage can occur. See "Carburetor Adjustment" in the unit Operator's Manual.
co n t e n t s
1 U-handle assembly
1 Lower u-handle bracket (2 halves)
1 Harness clamp w/ring
1 5 x 12 mm bolt
1 8 x 55 mm bolt
1 Circular washer
1 Square nut
2 Throttle cable clips
3 5 x 30 mm bolts w/washers
1 Shoulder harness
1 Hip pad
X7502234701
X750011731
10/09
2
U-Ha n d l e Ki t in s t a l l a t i o n in s t r U c t i o n s
in s t a l l a t i o n
Tools Required: 8mm x 10mm Open End Wrench, 19 mm wrench
4 mm hex wrench, screwdriver
1. Close choke and remove air lter and cover.
2. Disconnect ignition stop leads (A) and (B).
3. Loosen nuts (C) and remove throttle linkage from carburetor
bracket.
4. Remove inner throttle cable from carburetor swivel (D).
A
B
A
B
5. Loosen the two (2) drive shaft clamp bolts (E) at engine drive
shaft clamp, and remove center drive shaft location bolt (F).
6. Pull drive shaft assembly from clutch case.
7. Loosen two (2) rear handle screws (G) and pull rear handle from
the drive shaft assembly.
8. Loosen two (2) screws (H) and remove front handle.
D
C
E
F
H
E
G
U-Ha n d l e Ki t in s t a l l a t i o n in s t r U c t i o n s
3
9. Insert square nut (I) in lower handle bracket (J) and place bracket
on drive shaft 400mm (15 3/4 in.) from engine end of drive shaft.
10. Secure with lower handle bracket clamp (K) and three (3) 5mm x
30mm hex socket bolts.
11. Position harness clamp (L) 220 mm (8-5/8 in.) from engine end of
drive shaft assembly. Install 5x12 mm bolt, but DO NOT tighten
at this time.
12. Carefully t drive shaft assembly to engine making sure inner
drive shaft engages into clutch socket.
13. Turn drive shaft housing until locating hole lines up with location
hole in clamp and install center drive shaft location bolt (F).
NOTE
Gear Housing must be aligned properly with engine. Aligning center locating hole in driveshaft housing with center drive shaft bolt
(F) provides correct alignment.
14. Tighten two (2) drive shaft clamp bolts (E) securely.
I
J
K
400 mm
(15-3/4 in.)
L
ENGINE
END
J
K
F
220 mm
(8-5/8 in.)
E
E
15. Install upper U-Handle and bracket on lower bracket and secure
with one (1) 8 mm x 55 mm bolt (M) and large circular washer.
16. Route throttle linkage and ignition lead assembly behind U-Han-
dle bracket and clip to drive shaft as shown.
M
4
17. Place inner throttle cable in large hole of carburetor swivel (D).
18. Loosen nuts (C) and place threaded end of throttle linkage in
bracket slot. Finger tighten nuts (C).
19. Check throttle for freedom of movement and that wide open
throttle / low idle extremes are adjusted properly. If adjustment
cannot be achieved with adjusting nuts (C), consult with your
Echo Dealer for correct adjustment procedure. Tighten nuts (C).
U-Ha n d l e Ki t in s t a l l a t i o n in s t r U c t i o n s
D
20. Connect 2 ignition stop leads (A,B) from throttle cable tubing to 2
ignition leads (A,B) on engine.
21. Gather ignition wires and position behind air lter case.
22. Install air lter and cover
C
A
B
A
B
Install Hip Pad (Optional)
1. Attach hip pad to harness as shown.
U-Ha n d l e Ki t in s t a l l a t i o n in s t r U c t i o n s
Balance and Adjust Unit
1. Loosen harness clamp screw.
2. Put on harness and attach unit to harness.
3. Slide harness clamp (L) up or down until unit balances with head
approximately 50-75 mm (2 -3 in.) from the ground.
4. Tighten harness clamp screw.
5. Loosen upper U-Handle clamp screws (N), and position U-Handle
for comfortable operation.
6. Tighten U-Handle clamp screws and 8 mm clamp bolt securely.
NOTE
In case of Emergency, the trimmer/brushcutter can be released from
the harness by pulling up on the quick-release collar.
5
N
L
e c H o c o n s U m e r p r o d U c t s U p p o r t
If you require assistance or have questions concerning the application, operation or maintenance of this product you may
call the ECHO Consumer Product Support Department at 1-800-673-1558 from 8:30 am to 4:30 pm (Central Standard
Time) Monday through Friday. Before calling, please know the model and serial number of your unit to help your Consumer Product Support Representative.
ECHO, INCORPORATED
400 OAKWOOD ROAD
LAKE ZURICH, IL 60047 USA
PHONE: 1-800-673-1558
www.echo-usa.com
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