G
RASS
T
RIMMER
O
PERATOR
'
S
M
ANUAL
19
1.
Check idle speed and reset if necessary. If a tachometer is avail-
able, idle speed screw (A) should be set to the specifications found
on page 23 "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: ECHO
®
LUBE
TM
8 oz. (P/N 91014) or Lithium Base
Grease
1.
Remove plastic shield.
2.
Loosen bearing housing locating screw (A), at the top of the
housing, remove mounting screw (B).
3.
Pull the flexible drive shaft (C) from the housing, wipe clean and re-
coat with a thin coating 1/2 oz. (15 ml) of grease.
4.
Slide the flexible drive shaft back in the drive housing being careful
not to get dirt on the flexible drive shaft.
5.
Install the bearing housing and shield.
A
NYLON
LINE
REPLACEMENT
Level 1.
Tools Required: Head locking tool - 1/8 in. dia. Rod (if head is to be
removed)
Parts Required: ECHO 2mm (0.080) Nylon Trimmer Line 6 m (20 feet)
A
B
C