4
Rev. 3/18
GAGE B I LT
●
640A-50 Pulling Heads
Cherrylock® is a registered trademark of Cherry Aerospace Fasteners. Lubriplate® is a registered trademark of Friske Brothers Refining Co.
INSTALLATION INSTRUCTIONS
FOR ATTACHING TO GB740 TOOL
1. Connect tool to air supply, making sure head piston of the tool is
in its full forward position.
2. Screw pulling head onto piston assy (740409) on tool.
3. After pulling head is attached, then back off pulling head until
hole in the adapter sleeve (60415) lines up with one of holes in
nose fitting (740101) on tool.
4. Secure to tool using Soc. Hd. Cap Screws (401208) with lined up
hole. Secure second screw in secondary location. See GB740
tool manual.
INSTALLATION INSTRUCTIONS USING 784740
ADAPTER FOR ATTACHING TO GB784 TOOL
*For 5/32”-1/4” only
To install 1/8” CherryLOCK rivets use
GB715 and 615A-61 nose assembly
1. Connect tool to air supply, making sure head piston of the tool is
in its full forward position.
2. Install adapter (784740) onto tool.
Adapter (784740) screws onto head piston (784112) on tool.
INSTALLATION INSTRUCTIONS USING 784740
ADAPTER FOR ATTACHING TO GB784 TOOL
cont.
3. Attach the pulling head to the adapter (784740).
4. After pulling head is attached, then back off pulling head until
hole in the adapter sleeve (60415) lines up with one of holes in
nose assembly adapter (784740).
5. Secure to tool using Soc. Hd. Cap Screws (401208) with lined up
hole. Secure second screw in secondary location.
Note: The shift point setting on the tool must be adjusted to
compensate for the longer stroke when using adapters.
6. Remove limit pins.
7. Turn adjusting knob counter-clockwise until it stops.
Adjuster Knob
Limit Pin
The GB784 will now install Cherrylock rivets up to 1/2” grip
length. Before using a straight 681 series pulling head again,
the tool must be re-adjusted using stroke setting gage (784159).
See GB784 tool manual for instructions.
Seller warrants that all goods covered by this catalog will conform
to applicable specifications and will replace or repair, EXW our plant, any
goods providing defective from faulty workmanship, or material, for 1 year
from date of shipment
.
Said warranty to remain in effect if, and only if, such goods are
used in accordance with all instructions as to maintenance, operation and
use, set forth in manuals and instruction sheets furnished by seller.
Sellers obligation under this warranty shall be limited to the repair
or rework of the goods supplied or replacement thereof, at Seller’s option,
and in no case is to exceed the invoice value of said goods. Under no
circumstances will the seller be liable for incidental or consequential
damages or for damages incurred by the buyer or subsequent user in
repairing or replacing defective goods or if the goods covered by this
warranty are reworked or subjected to any type of additional processing.
This warranty is void if Seller is not notified in writing of any
rejections or defects within 1 year after the receipt of the material by the
customer.
THIS WARRANTY IS MADE IN LIEU OF ALL OTHER WARRANTIES
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY.
WARRANTY
Adapter
(784740)
Adapter
(784740)
