Echo SRM-280U Serial S75012010176 - S75012999999 - Manual (Page 29)

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© 02/2014 ECHO Inc.
SRM-280U MAINTENANCE
Note: Every unit is run at the factory and the carburetor is set in compliance with emission regulations.
Carburetor adjustments, other than idle speed, must be performed by an authorized ECHO dealer.
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 “Specifications” page of this manual.
Turn idle screw (A) clockwise to increase idle speed; counter
clockwise to decrease idle speed.
When carburetor adjustment is completed, the cutting
attachment should not move at idle, otherwise serious
personal injury may result.
Lubrication
Level 1.
Gear Housing
1. Clean all loose debris from gear case.
2. Remove plug (A) and check level of grease.
3. Add grease if necessary. DO NOT over-fill.
Drive Shaft (flex cable models)
1. Loosen two (2) screws (B) and remove center locating screw (C). Pull gear case 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.
Flat edge of washers (D) must be against drive shaft.
Parts
Required: POWER BLENDX TM 8 oz. or Lithium Base
Grease.
A
A C
D
B