ECHO Speed-Feed
P/N 99944200950
2
3
1
8
9
14
15
NO. QTY. DESCRIPTION
1
1
TRIMMER HEAD, SPEED-FEED
2
1
+BOLT, STUD M7 x 1.00 / M10 x 1.25 LH GOLD
3
1
+BOLT, STUD M8 / M10 x 1.25 LH SILVER
4
1
+SPACER, BLACK
5
1
+KNOB
6
1
+HOUSING ASSY, SPOOL
2
7
++EYELET
8
1
+HUB, SPOOL
9
1
+BUSHING 10 MM x 1.25 LH GOLD
10
1
+BUSHING 10 MM x 1.00 LH SILVER
11
1
+BUSHING 8 MM x 1.25 LH RED
12
1
+BUSHING 10 MM x 1.00 LH GREEN
13
1
+SPOOL LH
14
1
+CAP, SPRING
15
1
+SPRING, GOLD
16
1
+COVER, SPOOL
X7672054300
®
500 Trimmer Head,
4
5
6
7
10
11
13
16
®
500
ECHO SPEED-FEED® 500 TRIMMER HEAD
Trimmer Head Installation
1)
Insert locking tool (A) into the gear case to lock
output shaft (B). Remove existing cutting
attachment (C) from the unit following the
manufacturer's instructions.
12
IMPORTANT: Your unit must be equipped with
a debris shield including a line cutter that will
cut line to length when the trimmer line is
advanced.
2)
Install or reuse the unit manufacturer's gear
case base plate (D). The base plate must
support the trimmer head and allow it to rotate
freely.
1
©2022 ECHO Incorporated. All Rights Reserved
INSTRUCTION SHEET
P/N 99944200950
A
B
C
D