G
RASS
T
RIMMER
/B
RUSH
C
UTTER
O
PERATOR
'
S
M
ANUAL
29
CARBURETOR ADJUSTMENT
SRM-2400SB Emission Models
Level 2.
Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017).
Parts required: None.
NOTE
Every unit is run at the factory and the carburetor is set in compli-
ance with EPA Phase 1 and California Emission Regulations. This
carburetor does not have acceleration and high speed adjustment
needles. Do not attempt to use carburetor adjustment procedures
provided in the Warranty/Emissions Booklet.
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 13 "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 turn at idle, otherwise serious personal injury may result.
LUBRICATION
Level 1.
Tools Required: 8 mm Open End Wrench, Screwdriver, Clean Rag
Parts Required: 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.
A
A
SRM-2400SB
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