Echo CH5540HXE User Manual
Instructions
SUBJECT: SAFETY SWITCH
REPLACEMENT ON CE COMPLIANT
CHIPPERS WITH HYDRAULIC FEED
AND SAFETY KNEE BAR SYSTEM
WARNING
Before inspecting or servicing any part of this machine,
shut off power source, disconnect spark plug wire from
spark plug and make sure all moving parts have come
to a complete stop.
SWITCH BOX INSTALLATION
MODELS:
CH5540HXE - KIT #77540-00
CH6730HXE - KIT #77542-00
CH611DHXE, CH6993HXE &
CH6670HXE, CH8670HXE CH8993HXE,
CH8720IHXE, CH911DHXE & CH922DHXE, CH9540HXE - KIT # 77536-00
KIT #77542-00 FOR MODELS: CH6730HXE
SWITCH BOX REMOVAL
1. Remove control box cover
(2) by removing four serrated
ange bolts (3).
2. Remove proximity sensors
(4) by removing inside nut
(5) closest to the control arm.
Note from which position
each sensor came from
they will need to be installed
in the same holes during
installation of new control
box.
TRI-COLOR LED
RED/YEL
RED/GRN
1. Mount new switch box (1) to switch box
mount with two carriage bolts (10), washers,
and nuts. Ensure switch box is all the to
the front of the machine in the slot before
tightening completely
2. Connect control arm to switch control bar
using bolt (8), spacer, washer, and nut.
Ensure spacer (9) is in the switch control
bar before tightening.
2
3
COMPLETE
CIRCUIT
WHT
7
6
4
10
5
1
9
8
3. Remove wires from the back
of the reset switch (6) and
Tri-Color LED (7). Remove
Tri-Color LED from control
box. (7)
4. Remove Bolt (8) connecting
control arm to switch control
bar.
5. Remove two carriage bolt
(10) connecting switch box
(1) to switch box mount.
3
CH6730HXE Chipper Chute
8
5
6
4
7
2
Rev. 032913
1
77541-00
3. Install Tri-Color LED into control box so that the silver terminal is located at the three o'clock
position from the inside of the box.
4. Connect wires to the back of the reset switch (6) and Tri-Color LED (7). Ensure wires for the
Tri-Color LED are connected as shown in diagram.
5. Install proximity sensors (4) into control box (1) using the nuts (5) previously removed. Ensure
that sensors are put into the same hole that they came out of and that there is a 1/32” gap
between the sensor and switch control bar. Ensure not to overtighten damage to sensor may
occur.
6. Install control box cover (2) on control box (1) using four serrated ange bolts (3).
2
TRI-COLOR LED
RED/YEL
RED/GRN
6
3
WHT
COMPLETE
CIRCUIT
7
4
10
5
1
9
8
CH6670HXE and CH6993HXE Chipper Chute
Instruction Sheet
3
7
8
5
6
4
1
2
COMPLETE
CIRCUIT
WHT
RED/YEL
RED/GRN
TRI-COLOR LED
8
1
2
3
4
5
6
7
8
9
10
5
6
4
KNEE BAR SWITCH REMOVAL
1. Remove the two screws (2) and loosen the
nut (3) at the bottom of the knee bar switch
cover (1) and remove it.
2. Remove plunger switch (4) from switch
bracket by removing plunger nut.
Disconnect plunger switch from harness
(7) by removing the two screws connecting
them
3. Remove switch bracket (6) from extension
tray by removing two carriage bolts (8).
14624-00 CONNECTOR, 1/4 QD FEMALE 2
KIT, CONTROL SWITCHES (CH6730HXE)
PART# DESCRIPTION QTY
Part #77542-00
3
PLUNGER SWITCH INSTALLATION
1. Install new switch bracket (6) on to
extension tray using two carriage bolts (8).
2. Install new plunger switch (4) into switch
bracket using supplied plunger nut (5),
washer, and plunger.
3. Cut off ring terminals from plunger end
of harness (7) and replace with supplied
female spade connectors. Connect
harness to plunger switch (4).
4. Using two screws (2) mount the new
switch cover (1) to switch bracket(6).
While installing adjust the new switch
cover so that it prevents the plunger switch
from bottoming out when the knee bar is
depressed.
7
2
1
14625-00 CONNECTOR, 1/4 QD MALE 2
15176 SCW,11/32*7/8 HWH AB THREAD ZP 2
15349 BOLT,CARR 5/16*7/8" GR5 NC ZP 2
15904-00 NUT, 5/16-18 NYLOCK-FLANGE 2
32375-00
77527-00 ASSEMBLY, SWITCH BOX 1
77532-12 BRACKET, SWITCH 1
77535-12 SHIELD, SAFETYBAR SWITCH 1
SWITCH, MOMENTARY IP67 NORMALLY ON
Instruction Sheet
5. Adjust plunger switch (4) by loosening
the two carriage bolts (8) and setting it so
that it is activated when the knee bar is
depressed.
1
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