GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
21
A
A
A
NOTE
Every unit is run at the factory and the carburetor is set in compli-
ance with Emission Regulations. This carburetor does not have
acceleration and high speed adjustment needles.
1. Check idle speed and reset if necessary. If a tachometer is available,
idle speed screw (A) should be set to the specifications found on
page 26 "Specifications" of this manual. Turn idle screw (A)
clockwise to increase idle speed; counter clockwise to decrease idle
speed.
WARNING DANGER
When carburetor adjustment is completed, the cutting attachment
should not move at idle, otherwise serious personal injury may
result.
LUBRICATION
Level 1.
Tools Required: 13 mm Open End Wrench, Screwdriver, Clean Rag.
Parts Required: ECHO
®
LUBE
TM
8 oz. (P/N 91014) or Lithium Base
Grease.
Gear Housing
1. Clean all loose debris from gear box.
2. Remove plug (A) and check level of grease.
3. Add grease if necessary, DO NOT over fill.
Drive Shaft
(SRM-230 Only)
1. Loosen two (2) screws (B) and remove center locating screw (C).
Pull gear box and shield from drive shaft housing.
2. Pull flexible cable from the drive shaft housing, wipe clean and
re-coat with a thin coating [15 ml (1/2 oz.)] of grease.
3. Slide the flexible cable back in the drive housing. DO NOT get
dirt on the flex cable.
4. Install the gear housing and shield assembly.
IMPORTANT
Flat edge of washers (D) must be against drive shaft.
(SRM-230S Only)
No Lubrication Needed.
B
C
B
D
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