RedMax EBZ7500 User manual

B1500002

English 1 (6)

SB, Back Pack Blower impeller rework, EBZ7500,

EBZ7500RH, EBZ8500, EBZ8500RH, 2015-11

This SB replaces B1500001.

Affected models and serial numbers

All products in Table 1 manufactured before the specified serial number.

Model

PNC

Serial number

Model

PNC

Serial number

EBZ7500

966624301

20153700541

EBZ8500

966624501

20153700031

EBZ7500RH

966709901

20153700003

EBZ8500RH

966710001

20153700002

Table 1: Affected models and PNC. Serial number specifies the introduction of modified impeller in production.

Description

We have received reports of rattling fans on the backpack blowers. The main reason is that the four metal

sleeves that are cast into the impeller can come loose from the surrounding plastic. Modified metal sleeves

that prevent play are now cast into impeller 589 26 61-01 (in production 17 August 2015 as from serial

number in Table 1).

Tools required for reworking:

10mm socket

T-handled tap set M5 (5mm x 0,8)

Air to blow out shavings

T27 Torx bit

Torque wrench, up to 12Nm required.

Parts information

New part no. Part description Old part no.

589 26 61-01 (fans produced after 03 Aug -15) Fan 576 56 15-01

Action

Service of unused blowers is not required. If a problem with the fan/impeller occurs, perform

service/update through normal warranty process.

Warranty reporting

Component code: 806 - Fan / Impeller

Defect code: 92 - Part exchanged on request by Husqvarna

Text: B1500002

Time units (6 minutes): 7 units

Affected market(s): All

Warranty type: If unit has been sold to a customer; use 01 –warranty

If unit has not been sold to customer; use 04 –requested by factory

B1500002

English 2 (6)

Detailed description

Process

Content

1

Take the unit out from the carton (if rework).

2

Unplug spark plug cable.

3

Disconnect the fuel lines from the carburetor.

Don't use any sharp objects!

4

Remove two nuts for the lower dampers from bottom side.

B1500002

English 3 (6)

Process

Content

5

Remove two screws for the upper damper from back side.

6

Remove the unit from the frame.

7

Remove twelve screws for the volute cover.

8

Remove four screws for the fan.

B1500002

English 4 (6)

Process

Content

9

Exchange the equipped fan to the new fan.

576 56 15-01 →589 26 61-01

10

Secure four screws for the fan.

Tightening torque →12Nm

11

If needed, to chase two female threads on the upper damper and blow out.

12

Secure twelve screws for the volute cover.

Tightening torque for ten screws →3.5Nm

Tightening torque for two screws around elbow →1.0Nm

1

3

4

2

B1500002

English 5 (6)

Process

Content

13

Put the unit onto the frame.

14

Secure two screws for the upper damper from back side.

Tightening torque →3Nm

15

Secure two nuts for the lower damper from bottom side.

Tightening torque →5Nm

16

Connect spark plug cable to spark plug.

17

Connect the fuel lines to the carburetor.

B1500002

English 6 (6)

Process

Content

18

Put a green marker on the base of the product (if rework).

19

Put the reworked unit into the carton (if rework).

20

Put the green dot onto the carton decal by decal or marker to clarify rework finished

(if rework).

Example:

21

End.

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