Echo 74554 Instruction v.2

Instructions

SWITCH BOX DETAIL

DECAL (12737)

ON/OFF SWITCH (12682)

AUTO FEED RELAY (12675)

FORWARD & REVERSE SWITCH

DISK SENSOR PLACEMENT

GAP 1/32" - 1/16"

SUBJECT: ELECTRONIC FEED

KIT (PN 73071)

FITS MODELS: CH5540H (74554)

INSTALLATION

WARNING

Before inspecting or servicing any part of this machine, shut off power source, remove key, disconnect the battery cables and make sure all moving parts have come to a complete stop.

The electronic feed control kit is used to monitor the speed of the feed roller to facilitate more efficient chipping.

Figure 1

Inspect kit to verify all items were received.1.

Remove the two washers and nuts from the proximity 2. sensor of the harness.

Attach proximity sensor to the supplied proximity 3. sensor bracket (73099-12) by feeding it through the top hole in the bracket. Replace (on sensor) one nut and washer removed in step 2. Insert the threaded portion of proximity sensor through the bottom hole and add the remaining washer and nut and secure.

Attach bracket to the end of existing bolt on bearing 4. mount plate with 1/2” washer and nut. See Figure 2 for mounting location.

Position the proximity sensor within .30" of the rotor 5. shaft. When proper gap is achieved, tighten bracket in place. Secure the harness to the top of the proximity sensor bracket with provided nylon cable tie.

Remove roller cover by loosening and removing the five 6. 3/8” bolts and washers.

Attach LOFA Hydraulic Control (12674) to the holes 7. drilled in the side of the roller support with iso-mounts supplied on the control. Secure with four 8/32” locknuts. See Figure 4 for mounting location detail.

CONTROL BOX PLATE

BEARING MOUNT PLATE

SWITCH MOUNT

WELDMENT

Figure 2

Replace roller cover removed in step 6.8.

Remove the control box plate from the top of the switch 9. mount box. See Figure 1.

Attach the auto feed control relay to the switch mount 10. weldment with two 8/32” x 3/4” screws and 8/32” locknuts. Position the auto feed control relay with the connectors facing downward. Refer to Figure 1.

Remove the knockout from control box plate.11.

Place the auto feed on/off switch (12682) in the space 12. vacated by the knockout.

Instruction Sheet

PN 73072-00

Rev.083010

SENSOR ASSEMBLY

BLACK (-) RED (+)

BLACK

ORG/BLK(REV.)

GRN/BLK(FOR.)

BLACK(-)

BLACK

GREEN

WHITE

BLACK

FORWARD SWITCH

REVERSE SWITCH

GRN/BLK

ORG/BLK (N/O)

RED (COM.)

RED

LOFA OPTION (+)

FUSE HOLDER WITH 8 AMP FUSE

RED(+)

BLACK(-)

SPLICE AT 9.5"

SPLICE AT 7"

LOFA OPTION (-)

12646 VALVE, HYDRAULIC CONTROL

A B

RED

GREEN

WHITE

RED

12682 SWITCH ON/OFF

12675 RELAY CONTROL

GREEN WIRE INCLUDED IN

KIT CONNECT TO (N/O)

GREEN WIRE INCLUDED IN KIT

DISK SENSOR

12745 HARNESS, FEED CONTROL

12691 HARNESS, HYD. FEED PTO

Instruction Sheet

Figure 3

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