NORTH AMERICAN DRÄGER SCAVENGER SHUT-OFF User manual

KIT,SCAVENGERSHUT-OFF

INSTALLATIONPROCEDURE

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1. Disconnectallpipelinehosesand
close all cylinder valves.
Depressurizethesystem.

2. TurntheSystemPowerswitchto
STANDBY.

3. Removethebackcoverofthe
flowmeterhousing.

CAUTION: Ifoptionalsuctionsystem

piping is present, use
extreme caution when
drillingsoasnottodamage
theDISSvacuumfittingon
therearframerail.

4. ForNarkomed2B,2Cand4:
carefullyenlargetheexisting7/32
in.dia.holeintherearframerail
(seeFigure1)witha5/16in.dia.
drill.

Carefullyde-burrtheholeand
cleanalldrillingchipsfromthe
machineandthesurroundingarea.

5. ForNarkomed2Aand3:measure
andmarktheholelocationonthe
rearframerailasshowninFig.1.

6. Carefullydrilla5/16in.dia.hole.
Carefullyde-burrtheholeand
cleanalldrillingchipsfromthe
machineandthesurroundingarea.

7. InstallthelabelasshowninFigure

1.Thearrowonthelabelshould
pointtothehole.

1

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INSTALLATION PROCEDURE (continued)

REAR VIEW OF FRAME RAIL

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SP13601

NARKOMED 2A & 3
LOCATION FOR NEW HOLE

NARKOMED 2B,2C & 4
EXISTING 7/32 IN. DIA.HOLE

3 3/4"

1/2"

OPTIONAL DISS

VACUUM FITTING

(SEE CAUTION IN TEXT)

Figure 1: DRILLING AND LABEL LOCATION

Part of the Scavenger Shut-off Valve Assembly (S/N S010247) has a quick-disconnect bulkhead
fitting at one end of a in. dia. hose assembly, and a nylon tee fitting at the other end of the
assembly. Install this part as outlined in the next three steps:

8. Install the bulkhead fitting & lock
washer in the hole in the frame rail
and secure itwiththe nut provided.
DO NOT overtighten the nut. See
Figure 2.

9. Locate the in. dia. hose connected
to the top of the N

O failsafe

2

assembly, and cut the hose
approximately one inch above the

10. Join the cut ends to the nylon tee
fitting at the end of the scavenger
shut-off in. dia. hose assembly.
Secure each connection with a tie
strap as shown in Figure 2.

11. Install the adhesive-backed cable
clamp on the leg of the machine in
the approximate location shown in
Figure 2.

failsafe.

2