Zoll Impact Uni Vent 731 Spm Vent Kit Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          3 hours

Sections

SPM Vent Kit
25 steps

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Introduction

For more information on replacing the SPM Vent kit, please refer to page 21 in the service manual.

What you need

Step 1

              SPM Vent Kit

Loosen but do not remove the(4) 8-32 X 3 screws on the outer air intake.

Loosen but do not remove the(4) 8-32 X 3 screws on the outer air intake.

1024

Step 2

Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws. Remove the back case by lifting from the ventilator.

Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws. Remove the back case by lifting from the ventilator.

Step 3

Remove the (2) 4-40 X ¼ screws on the Dovetail Mounting Bracket and disconnect the ribbon cable on the PIM PCB by simultaneously applying pressure on the two locking “ears”.

Remove the (2) 4-40 X ¼ screws on the Dovetail Mounting Bracket and disconnect the ribbon cable on the PIM PCB by simultaneously applying pressure on the two locking “ears”.

Step 4

Flip the ventilator over and remove the front case assembly by lifting it straight up away from the ventilator module.

Flip the ventilator over and remove the front case assembly by lifting it straight up away from the ventilator module.

Step 5

Remove the battery compartment cover by unscrewing the (4) 6-32 X 5/16 screws.

Remove the battery compartment cover by unscrewing the (4) 6-32 X 5/16 screws.

Step 6

Remove the battery by unscrewing the (4) 6-32 X 2 ¼ screws and detaching the plug from its lockinglatch.

Remove the battery by unscrewing the (4) 6-32 X 2 ¼ screws and detaching the plug from its lockinglatch.

Step 7

Unscrew the (4) 6-32 X 5/16 Phillips screws to remove the damaged battery compartment case.

Unscrew the (4) 6-32 X 5/16 Phillips screws to remove the damaged battery compartment case.

Step 8

Loosen and remove the (2) 4-40 X 1 ¼ Screws and nylon spacers supporting the Power Input assembly unto the chassis

Loosen and remove the (2) 4-40 X 1 ¼ Screws and nylon spacers supporting the Power Input assembly unto the chassis

Step 9

Loosen and remove the (2) 6-32 X ¼ screws holding the chassis to the dovetail mounting bracket and remove the SPO2 insulator. Loosen and remove the (2) 8-32 X ¼ screws holding the chassis to the vent module

Loosen and remove the (2) 6-32 X ¼ screws holding the chassis to the dovetail mounting bracket and remove the SPO2 insulator. Loosen and remove the (2) 8-32 X ¼ screws holding the chassis to the vent module

Step 10

Insert screwdriver through the holes on the chassis to loosen and remove the (2) 6-32 x 5/16 screws holding the chassis to the vent module.

Insert screwdriver through the holes on the chassis to loosen and remove the (2) 6-32 x 5/16 screws holding the chassis to the vent module.

Step 11

Lift the damaged chassis from the ventilator module.

Lift the damaged chassis from the ventilator module.

Step 12

Disconnect the Power Input cable from the PIM PCB by pressing on the locking latch and pulling the cable straight up from the connector.

Disconnect the Power Input cable from the PIM PCB by pressing on the locking latch and pulling the cable straight up from the connector.

Step 13

Remove the PIM PCB by loosening the (5) 4-40 X 5/16 screws.

Remove the PIM PCB by loosening the (5) 4-40 X 5/16 screws.

Step 14

Remove the Dovetail stabilizer bracket by loosening and removing the (2) 6-32 x ¼ and the (2) 4-40 X ¼ screws.

Remove the Dovetail stabilizer bracket by loosening and removing the (2) 6-32 x ¼ and the (2) 4-40 X ¼ screws.

Step 15

Install the dovetail stabilizer bracket ontothe new SPM assembly by tightening the (2) 6-32 X ¼ and (2) 4-40 X ¼ screws.

Install the dovetail stabilizer bracket ontothe new SPM assembly by tightening the (2) 6-32 X ¼ and (2) 4-40 X ¼ screws.

Step 16

Secure the PIM Board to the new SPM with the (5) 4-40 x 5/16 screws.

Secure the PIM Board to the new SPM with the (5) 4-40 x 5/16 screws.

Step 17

Secure the chassis to the vent module using the (2) 6-32 X ¼ screws with SPO2 insulator, the (2) 8-32 X ¼ and the (2) 6-32 x 5/16 screws.

Secure the chassis to the vent module using the (2) 6-32 X ¼ screws with SPO2 insulator, the (2) 8-32 X ¼ and the (2) 6-32 x 5/16 screws.

Step 18

Secure the Power Input assembly to the Chassis using the (2) spacers and (2) 4-40 X 1 ¼ screws. Do not over-tighten the screws.

Secure the Power Input assembly to the Chassis using the (2) spacers and (2) 4-40 X 1 ¼ screws. Do not over-tighten the screws.

Step 19

Rotate battery compartment to mate with upper and lower case cutouts and press firmly into place. Secure with (4) 6-32 X 5/16 screws provided

Rotate battery compartment to mate with upper and lower case cutouts and press firmly into place. Secure with (4) 6-32 X 5/16 screws provided

Step 20

Re-assemble the battery by connecting its cable to the connector (pull on cable to insure it is locked in place) then tightening the (4) 6-32 X 2 ¼ screws.

Re-assemble the battery by connecting its cable to the connector (pull on cable to insure it is locked in place) then tightening the (4) 6-32 X 2 ¼ screws.

Step 21

Re-assemble the battery compartment cover by tightening the (4) 6-32 X 5/16 screws.

Re-assemble the battery compartment cover by tightening the (4) 6-32 X 5/16 screws.

Step 22

Place the front case assembly over the vent module and tighten the (2) 4-40 X ¼ screws unto the dovetail mounting bracket. Reconnect the ribbon cable unto the PIM PCB. Make sure the two locking “ears” lock into position.

Place the front case assembly over the vent module and tighten the (2) 4-40 X ¼ screws unto the dovetail mounting bracket. Reconnect the ribbon cable unto the PIM PCB. Make sure the two locking “ears” lock into position.

Step 23

Attach the back case to the vent module and align cover with handle, air intake housing and dovetail mounting studs. Insert and tighten the included (2) 10-32 Keps nuts and the (4) 6-32 X 2” screws.

Attach the back case to the vent module and align cover with handle, air intake housing and dovetail mounting studs. Insert and tighten the included (2) 10-32 Keps nuts and the (4) 6-32 X 2” screws.

Step 24

Tighten the (4) 8-32 X 3 screws on the outer air intake.

Tighten the (4) 8-32 X 3 screws on the outer air intake.

Step 25

Perform HiPot Testing then perform Calibration and Functional Test using the RCS.

Perform HiPot Testing then perform Calibration and Functional Test using the RCS.

To reassemble your device, follow these instructions in reverse order.

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                    Brandon Drury

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fayezhmc - Jan 31, 2022

What is the service passcode to reset the PM clock?

Introduction#

What you need#

Team#

Introduction

What you need

Team