Cherry CHERRYMAX G746A Original Instructions Manual

TM-G746A Rev.: B DCR# 17-0231 DATE: 3/21/17 Federal Identification Code: 11815 © 2017 Cherry Aerospace

1335 E. Warner Ave,

www.cherryaerospace.com

Original Instructions

G746A

COMPACT CHERRYMAX®

POWER TOOL

1

Santa Ana, Ca 92805

Tel: [phone]

Fax: [phone]

TM-G746A Rev.: B DCR# 17-0231 DATE: 3/21/17 Federal Identification Code: 11815 © 2017 Cherry Aerospace

LOCTITE® is a registered trademark of Henkel Corporation

LUBRRIPLATE® is a trademark of Fiske Brothers Refining Co.

Seller warrants the goods conform to applicable specifications and drawings and will be manufactured and inspected according to generally accepted practices of

For more information please contact our Technical Services Department at Tel. [phone]

WARRANTY

THE G746A TOOL

TABLE OF CONTENTS

Description ........................................................................................................................................................................................ 3

Technical Specifications ..................................................................................................................................................................... 3

Putting the Tool in Service .................................................................................................................................................................. 3

General Operation Safety Warnings ................................................................................................................................................... 4

Operating Instructions ....................................................................................................................................................................... 5

Pulling Head Selection for Blind Fas teners .................................................................................................................... 5

Pulling Head Selection for Cherry Rivetless Nutplate Products ...................................................................................... 6

Pulling Head Extensions Availabl e ................................................................................................................................ 6

Riveter Repair and Maintenance ....................................................................................................................................................... 7

Tools and Service Kits Needed .............................................................................................................................................. 7

Service Procedure ................................................................................................................................................................... 8

Head Cylinder Subassembly .......................................................................................................................................... 8

Handle Subassembly ..................................................................................................................................................... 8

Air Valve Subassembly .................................................................................................................................................. 8

Component List and Other Accessories .................................................................................................................................. 9

Cross Section View ............................................................................................................................................................... 10

Top Assembly (G746A) – Exploded View .............................................................................................................................. 11

Head Cylinder Subassembly (845-016) - Exploded View ...................................................................................................... 12

Power Handle Subassembly (704-086) - Exploded View ...................................................................................................... 13

Priming the Hydraulic System ............................................................................................................................................... 14

Recommended Hydraulic Fluids .................................................................................................................................. 14

Fluid Handling Safety ................................................................................................................................................... 14

Bleeding Instructions .................................................................................................................................................... 15

Troubleshooting Guide ..................................................................................................................................................................... 15

Declaration of Conformity ................................................................................................................................................................ 16

companies manufacturing industrial or aerospace fasteners. In the event of any breach of the foregoing warranty, Buyer’s sole remedy shall be to return defective
goods (after receiving authorization from Seller) for replacement or refund of the purchase price, at the Seller’s option. Seller agrees to any freight costs in
connection with the return of any de fective goods, but any costs relating to removal of t he defective or nonconforming goods or installation of replacement goods
shall be Buyer’s responsibility. SELLER’S WARRANTY DOES NOT APPLY WHEN ANY PHYSICAL OR CHEMICAL CHANGE IN THE FORM OF THE
PRODUCT IS MADE BY BUYER.

THE FOREGOING EXPRESS WARRANTY AND REMEDY ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES AND
REMEDIES; ANY IMPLIED WARRANTY AS TO QUALITY, FITNESS FOR PURPOSE, OR MERCHANTABILITY IS HEREBY SPECIFICALLY
DISCLAIMED AND EXCLUDED BY SELLER. THIS WARRANTY IS VOID IF SELLER IS NOT NOTIFIED IN WRITING OF ANY REJECTION OF

THE GOODS WITHIN ONE (1) YEAR AFTER INITIAL USE BY BUYER OF ANY POWER RIVETER OR NINETY (90) DAYS AFTER INITIAL USE OF
ANY OTHER PRODUCT.

Seller shall not be liable under any circumstances for incidental, special or consequential damages arising in whole or in part from any breach by Seller, AND
SUCH INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES ARE HEREBY EXPRESSLY EXCLUDED.

DEXRON® is a registered trademark of GM Corporation.
PARKER® is a trademark of Parker Hannifin Corporation

DESCRIPTION

2

TM-G746A Rev.: B DCR# 17-0231 DATE: 3/21/17 Federal Identification Code: 11815 © 2017 Cherry Aerospace

Tools equipped with an in-line Air Pressure

air-line.

Tools NOT equipped with an in-line Air Pressure Regulator

The Cherry® G746A riveter is a compact but powerful riveter designed for
high productivity, reliable installation of Cherrymax AB, Cherrylock A
wiredraw blind fasteners, MBC and nutplate blind rivets.

TECHNICAL SPECIFICATIONS

Cherry® Aerospace (CHERRY®) polic y is one of continuous developme nt.
Specifications shown in this doc ument may be subject to change which may
be introduced after publication. For the latest information always consult
CHERRY®.

AIR PRESSURE 90 to 120 PSI (6.2 to 7.6 bar)
STROKE 0.875 inch (22.23 mm)
MIN. PULLING-FORCE: 1850 lbs. @ 90 psi (8.23 kN @ 6.2 bar)
WEIGHT 4.25 lbs. (2.26 kg)
CYCLE TIME One Second Approximately
NOISE LEVEL 72 dB (A)
VIBRATION Less than 2.5 m/s
AIR CONSUMPTION 3.9 CFM (110.5 liters/M) at 20 Cycles/Minute

2

PUTTING THE TOOL IN SERVICE

The tool must be used with an air pressure regulator. Even if your
shop air pressure is below the maximum recommended range, pressure spikes in your air-lines could cause serious damag e to
the tool or cause safety concerns.

Regulator (P1505) may be attached to any shop

(P1505) MUST be connected to a dedicated regulated air-line.

3

TM-G746A Rev.: B DCR# 17-0231 DATE: 3/21/17 Federal Identification Code: 11815 © 2017 Cherry Aerospace

GENERAL OPERATION and SAFETY WARNINGS

• Wear proper PPE(Personal Protection equipment) when operating, servicing or repairing this tool

• Read Manual; operators must be trained in safety and correct tool operation

• Service and repairs shall be performed only by trained personnel.

• Do not pull rivet in the air or directed at any person.

• Do not use the tool with a damaged or missing stem deflector

• Rotate the Stem Deflector facing away from the operator or critical aircraft structure; use

a Stem Catcher if possible.

• Do not pound on the rear of the tool head to force rivets into holes.

• Make sure that the air muffler is not obstructed and is directed away from people.

• Do not exceed the recommended air pressure.

To ensure safety, use the pre-set air pressure regulator P/N P1505.

• Make sure to disconnect from the air supply before service or repair.

• Wash thoroughly after handling hydraulic fluid.

• Unauthorized modifications, including using substitute components will void warranty

and shall be at the customer's entire responsibility.

• Do not use any substitutions as they will impact the tool safety and reliability life.

4

TM-G746A Rev.: B DCR# 17-0231 DATE: 3/21/17 Federal Identification Code: 11815 © 2017 Cherry Aerospace

Part Number

PH to use

H701B-456

NONE

-4, -5 & -62

All

H747-4565

NONE

-4, -5 & -62

All

H753A-4565

-4, -5 & -62

H781-456, H781A-456

NONE

-4, -5 & -62

All

H782

NONE

-4, -5 & -62

All

-4, -5 & -62

-091

H747-4565

NONE

-4, -5 & -6

2,3

-091

H753A-4565

Right Angle

NONE

-4, -5 & -6

2,3

-04

H781-456, H781A-456

NONE

-4, -5 & -6

2,3

-071

-4, -5 & -6

2,3

-071

H701B-456

NONE

-4 only

All

H747-4565

NONE

-4 only

All

H753A-4565

Right Angle

NONE

-4 only

All

H781-456, H781A-456

NONE

-4 only

All

H782

NONE

-4 only

All

H701B-456

NONE

-4, -5 & -6

-042

H747-4565

H753A-4565

Right Angle

NONE

-4, -5 & -6

-04

H781-456, H781A-456

NONE

-4, -5 & -6

-042

H782

NONE

-4, -5 & -6

-042

MBC

(No Lock Creator)

H747-3A

NONE

-3 ONLY

-042

H955-3 (or -4, -5, -6)

NONE

-3, -4 & -5 3

-042

H886-3 (or -4, -5, -6)

Right Angle

NONE

-3, -4 & -5 3

-04

(CCR294, CCR304)

H747-3NPR, H902-3NPR

NONE

-3 DIA. ONLY

All

H902-4NPR

NONE

-4 DIA. ONLY

All

H9015-3C (or -4C, -5C, -6C)

704A9

-3, -4, -5 & -6

All

OPERATING INSTRUCTIONS

Before using the tool:

CAUTION

• Read the tool manual instructions; before firs t using the tool.

• Read and comply to all safety instructions given in this document in addition to the ge neral safety rules applicable

• Make sure the tool is connected to an air source op er ating within the recommended pressure ran ge

• Before installing the permanent fasteners, m ake sure that the structure is properly clamped with temporary fasteners

• Make sure that the correct pulling head is selected for the fastener to be installed and that t he tool is in good working condition

Installing Fasteners: Place the fas tener into the prepared hole then place the pulling head over its stem and depress the trigger .

PULLING HEAD SELECTION FOR BLIND FASTENERS

• The lists given below are for referenc e only; for more up to date and detailed information, please check on the Cherry
Aerospace webpage as following: Ins tallation Tooling Manuals(links to current tool manuals) and Product Expert (interactive
database for tool recommendations)

Fastener Type

Type Adapter Rivet Diameters

Max. Grip

1

CherryMAX® Bulb
(CR3XXX)

Cherry SST
(CR6XXX)

CherryMAX® AB
(CR4XXX)

MaxiBolt® S
(CR7XXXS)

MBC L/C
(Lock Creator)

CherryLock “A”
(CR2X7X)

MS4 (CR9XXX)
NPR (CCR274,

CCR284)

SPR (CR1233)
Tacking Rivet

Straight

Right Angle NONE

Offset

H701B-456

H782 NONE

H746-4MBC (0R 5MBC, 6MBC) Straight None -4, -5 OR -6 -042

H9040-4C (or -5C, -6C , -8C) 704A6 -4, -5, -6 & -8 All

Straight

Offset

Straight

Offset

Straight

Offset

Straight

Straight

NONE

NONE -4, -5 & -6 -042

All

Notes:

1

Longer grips may require a second activation of the trigger.

2

Nominal and oversized diameters.

3

Alloy Steel and Monel only; no -6 diameter (3/17) Aluminum.

4

Serrated stems only.

5

This tool may be set-up to install other types and sizes of fasteners; see Tool Manual for details.

5