surefire 340h, 640h User Guide

Model 340H

640H

Sig Sauer Waterproof Tactical Light

P228 & 229 9mm

Revision N/C 4-1-97

Model 340H & 640H Waterproof Tactical Light

Introduction

The Model 340H & 640H Waterproof Tactical Lights provide a rugged and reliable source of high
intensity light mounted below the barrel of the weapon. The Flashlight is waterproofed for deep-sub­mersion. The light can be activated by pressing on the Pressure Switch attached to the handgrip or by
pushing forward on the Switch Actuator Plates on the sides of the Housing.

Installation

1. Remove the magazine from the weapon and inspect the weapon to be certain it is not loaded.

2. Retract the Slide and latch it back using the Slide Catch Lever.

3. Rotate the Take Down Latch 90 degrees clockwise.

4. Depress the Slide Catch Lever and remove the Slide Assembly from the weapon frame.

5. Remove the Take Down Latch from the frame.

6. Position the H40H Housing on the frame so that the attachment pin hole is aligned with the
Take Down Latch hole.

7. Install the Take Down Latch provided in the Kit so that the pin on the end of the lever seats
fully into the H40 Housing.

8. Position the Take Down Latch so that the arm faces downward. Install the slide assembly
and latch it back.

9. Rotate the Take Down Latch 90 degrees counter clockwise to its normal position and
close Slide.

10. Using the Hex Wrench provided in the Kit, tighten the Set Screw in the base of the
Housing until it contacts the trigger guard then turn the set screw out 1/8 turn so as not
to put tension on the Slide Stop. After firing 500 rounds the Set Screw may loosen, remove
it and install the extra Set Screw provided in the Kit.*

11. Select the location desired on the weapon for mounting the Pressure Switch. Clean the
surface of the position selected with alcohol to remove oil & dirt.

12. Using the Velcro provided in the Kit, remove the paper backing from the “loop” section
of Velcro and press in place on clean area.

13. Wipe the flat side of the Pressure Switch with alcohol to remove oil & dirt.

14. Remove the paper backing from the Velcro “hook” and press it in place on the rear side
of the Pressure Switch.

15. Using Velcro, position the Pressure Switch on the weapon. Route the cable so that it does
not interfere with the weapon operation.

16. Install the battery with the + terminal facing out.

17. Install the Lamp Module. Unit is now ready for use.

Model 340H & 640H Waterproof Tactical Light

Kit Contents

! H40H Housing & Takedown Latch
! L30 or L60 Lamp Module
! DL123A or DL223AC Battery
! Velcro Hook & Loop
! Extra Set Screw
! Hex Wrench
! Alcohol Wipe
! Users Manual

* Additional set screws are available in a Ten Pack, order P/N 12010-1.

Lamp Replacement

1. Unscrew Bezel from Lamp Module. Lift Lamp assembly out of Bezel.

2. Install replacement Lamp Assembly inBezel and reassemble by screwing onto Lamp Housing
until it is fully seated.
Battery Replacement

1. Unscrew Lamp Module from Housing and shake out old battery.

2. Install new battery with the + terminal facing out.

3. Reinstall Lamp Module.

WARNING

Lithium batteries can explode or cause burns if disassembled,

shorted, recharged or exposed to fire or high temperatures. Please

handle with care.

Sure-Fire LLC

Model 340H& 640H Waterproof Tactical Light

Caution

The battery used in the light is very powerful. Be sure that the switch is not touching anything
when the light is stored. If the lamp is turned on while in a case or other container, the lamp can
overheat and damage the light or surrounding materials. Remove the battery or unscrew the
bezel far enough to prevent the lamp from turning on when stored.
Do not use a 3 Volt Lamp Assembly in a 6 Volt system. The lamp will burn out Immediately!!!
T o identify a lamp assembly: the 3 volt lamp has a Red label and is marked R30, the 6 volt has a
Blue or Green label and is marked R60 or P60.
If it is necessary to dispose of any batteries, do not do so by fire, mutilation or by disassembly ,
as this may cause toxic chemicals to be released.

Repairs & Replacements

To obtain repair or replacement call Customer Service at 800-828-8809 (toll free) or 714-545­9444 and obtain a Return Authorization number (RA). Then pack the unit carefully and return (no
COD’s please) to:
SureFire LLC
Repairs Department, RA# ___
18300 Mt. Baldy Circle
Fountain Valley, CA 92708

Surefire will pay any reasonable shipping costs to return the unit to you.

Warranty
SureFire LLC warrants that its products will be fr ee fr om defects in materials and work­manship. SureFire LLC will repair or replace (at its option), without charge, any product or
part which is found to be defective under normal use and service. Such repair or replacement
shall be the purchaser’s sole and exclusive remedy under this warranty. This warranty does not
include normal maintenance and services and does not apply to any products or parts which
have been subject to modification, misuse, negligence, accident, improper maintenance or
repair by anyone other than SureFir e.

“Fine Print” Warranty Limitation
There is no other express warranty. SureFire LLC hereby disclaims any and all implied
warranties, including, but not limited to fitness for a particular purpose. SureFire LLC shall not
be liable for incidental, consequential, or special damages arising out of, or in connection with
product use or performance.

um_H40H_7.401

71-01-267

WARNING

Lithium batteries can explode or cause burns if disassembled,

shorted, recharged or exposed to fire or high temperatures. Please

handle with care.

18300 Mt. Baldy Circle, Fountain Valley, CA 92708 [phone]