DME Point Gate Needle User Manual

ME-0741-PS-531-D

09-09

ETH9997

INSTALLATION DATA
For: 250 & 375 SERIES POINT GATE NEEDLE

Please read carefully before installing components.

NOTE: Dimensions are shown in Inches.

THREAD

BODY

HEATER

NEEDLE LENGTH

TIP

NEEDLE

POINT GATE NEEDLE

CATALOG NUMBER

*EHN0015

EHN0300 EHT0302 (250 SERIES)

*EHN0016

* EHN0015 and EHN0016 needles NOT recommended for abrasive materials.

NEEDLE TIP

DIAMETER

0.010

NEEDLE LENGTH THREAD

1.680

1/2-24

5/8-20

NEEDLE TIP DIAMETER

USED WITH

TIP SUB-ASSEMBLY

CATALOG NUMBER

EHT0005 (250 SERIES)

EHT0039 (375 SERIES)
EHT0303 (375 SERIES)EHN0301

ME-0741-PS-531-D

09-09

ETH9997

INSTALLATION DATA
For: 250 & 375 SERIES POINT GATE NEEDLE

Please read carefully before installing components.

RECOMMENDATIONS AND GUIDELINES

1. Nozzle (multiple-applications) body must be cleaned
of any material in the seal off area and threaded areas
before reassembling.

2. Careful attention should be taken to the needle as damage
could occur if needle is dropped or strikes a rigid material.
Treat needle like a glass or ceramic material.

3. Apply an anti-sieze compound on the tip threads.

4. Tip must be torqued into the nozzle body using 30
When reassembling. For protection of the needle point, a six
point deep well socket is recommended.

5. Careful attention should be taken to the heater/thermocouple
leads as damage could occur when working on nozzle or
bushing assembly.

6. Seal ring for nozzle body must be replaced each time nozzle
body and/ or manifold are removed to ensure seal off.

7. Wait a minimum of 5 minutes after set point has been achieved
for suffient heat to transfer into the needle before molding.

5 ft-lbs.

IMPORTANT SAFETY INFORMATION

A hot-runner system includes electrical elements and may contain molten
plastic at elevated temperature and pressure. To avoid injury, exercise
caution by reading these instructions before servicing or operating the
system.
These instructions must be passed on to the end user where they should
be read before using this product. Failure to do so can result in serious
injury or death.

DANGER

Failure to comply will result in serious injury or death:
ELECTRICAL HAZARDS
Improper voltages or grounding can result in electrical shock. Use only
with proper voltage and a proper earth ground.
To avoid electrical shock, do not operate product when wet.
Do not operate this equipment with covers or panels removed.
To avoid electrical shock, turn off main power disconnect and lockout /
tag out before servicing this device. Do not connect temperature sensors to
electrical power. It will damage the product and it can cause fire, severe
injuries or even death.
If green ground wire present wire must be connected to the ground.
Do not rebend rigid leads. Rebending leads might result in damage to circuit.
Product might absorb moisture when cool. Use low Voltage or power to drive
out residual moisture before applying full power. Failure to do so may cause
damage to this product.

WARNING

Failure to comply can result in serious injury or death:
STORED ENERGY AND HIGH TEMPERATURE HAZARDS
This product maintains molten plastic at high pressure. Use caution when
operating and servicing the system.
Physical contact with molten plastic may result in severe burns. Proper
protective equipment, including eye protection, must be worn. This product
has heated surfaces. Use caution when operating and servicing the system
to avoid severe burns. Proper protective equipment should be worn.

DME SHALL NOT BE LIABLE FOR MISUSE OR FAILURE TO FOLLOW THE ENCLOSED
INSTRUCTIONS AND SPECIFICATIONS. D-M-E HERBY TO DISCLAIMS ALL IMPLIED
WARRANTIES, INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. IN NO EVENT SHALL D-M-E BE RESPONSIBLE FOR LOSS OF USE, REVENUE
OR PROFIT, OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGED.

DME COMPANY LLC

29111 STEPHENSON HIGHWAY
MADISON HEIGHTS
MICHIGAN 48071 USA
US 800-656-6656
CANADA 800-387-6600
www.dme.net